Q1 The DO should not drop to 5 mg/L, for the existence and persistence of aquatic lives.
True Q2 COD is a better representation of the strength of organic wastes contained in wastewater as compared to BOD.
False Q3 It is used to facilitate easier drying of sludge prior to disposal without using open dry bed.
filter press Q4 It is the most commonly used oxidizing agent in the determination of COD.
K2Cr2O7 Q5 What treatment of leachate is used by the sanitary landfill landfill we visited?
aerobic Q6 It is due to dissolved ions in solutions that conducts electric ity and it is the measure of the ability of an aqueous solution to carry an electric current.
conductivity Q7 It is used as coagulant and to depress the pH.
alum or Al2(SO4)3 Q8 It is the amount of dissolved oxygen used-up by m icroorganism to break up organic materials in water at 20oC over a period of 5 days.
BOD5 Q9 Which among these physical methods of treating wastewater is the best method if volatile substances are dissolved in the water?
degasification Q10 It is the outflow from a sewage treatment plant.
Effluent Q11 A plant manufacturing cadmium-battery will cause what environmental impact on water? human toxicity: itay-itay disease
Q12 Which of the following is NOT a characterization of wate r quality?
physiological Q13 Which government agency regulates water utilities in the Philippines regardless of source, surface or ground water?
Metropolitan Waterworks and Sewerage System ( MWSS) Q14 Which of the following chemical properties is NOT related to the group?
ph Q15 Which of the following pollutants indicate high BOD?
all of the above Q16 It is a physical water quality parameter that is caused by dissolved organics (phenols, chlorophenols) & inorganic chemicals & organisms, or due to decaying micro-organisms or algae or due to high concentrations of salts such as Ca+2, Mg+2, Cl- and this parameter is difficult to measure (subjective).
odor and taste Q17 It is when the water is pumped from an aquifer; the water table is depressed around the well.
cone of depression Q18 The ultimate BOD of wastes from a plant is 280 mg/L. What is the five-day BOD if the deoxygenation constant k is 0.12 d -1 ?
126.33 mg/l Q19 Which government agency issues water permit to deep wells to be installed?
National Water Resources Board (NWRB) Q20 The pH of acidic rain water is 3.
true Q21 It is the circulation of water from the oceans to the atmosphere and back to the oceans by way of evaporation, runoff from streams and rivers, and groundwater flow.
Hydrologic cycle
Q22 Which of the following pollutants deplete oxygen in water in their decomposition into simpler substances?
organics Q23 What is the theoretical demand for oxygen if a chemical is identified by the general formula C4H8O2?
90.91 mg/L
Q24 The company you work for plans to release a waste stream found to contain 7.0 mg/L of benzaldehyde (C7H6O) and 5 mg/L of NH3-N. Calculate the theoretical oxygen demand of this waste stream (in mg/L).
39.76
Q25 Rivers have some capacity for self-purification.
true Q26 It is an underground zone or body of ea rth material from which groundwater can be obtained from a well at a useful rate.
Aquifer Q27 Sedimentation or clarification is _______ method of treating water.
physical Q28
It is an attached cell/biofilm process (biological treatment) where solid disks with attached biofilms rotate on a horizontal axis to alternately contact the waste stream and the atmosphere. rotating biological contactor (RBC) Q29 It is the study the physical, chemical & biological characteristics of rivers & lakes.
Limnology Q30 Which of the following agencies monitor water quality if it complies with Philippine National Standard for Drinking Water (PNSDW)?
DOH Q31 Microorganisms that require oxygen in decomposing organic materials.
Aerobic Q32 It is the natural process whereby waters emerge from their stream channel to cover part of the floodplain.
Flooding
Q33 Chlorination is the only means of disinfection of water and wastewater.
false Q34 The rate of which oxygen is consumed is directly proportional to the concentration of degradable organic matter remaining at any time t.
true Q35 Which of the following is NOT part of a conventional water treatment?
screening Q36 It is the maximum oxygen consumption possible when the waste has been completely degraded.
BodU Q37 The Laguna Lake, being used in fish propagation, is classified as ______ water.
class C Q38 According to Philippine Clean Water Act (RA9275), all industrial plants are required to have a wastew ater treatment plant.
true Q39 Which of the following water quality parameter is affected by power plants?
temperature Q40 Which of the following chemical properties of water is NOT related to the group?
temperature Q41 The laboratory testing for water and wastewater samples is done at standard temperature of 20oC.
True
Q42 What is the basis of choosing the filtration method to be used in water treatment?
size of the particles to be filtered Q43 Assuming a deoxygenation constant of 0.25 d-1, calculate the expected five-day BOD if the three-day BOD is 148 mg/L.
200 mg/l Q44
Which of the following effects are caused by extreme temperature?
all of the above Q45
What coagulant is being used in the water district we visited? no
Question 46 Which of the following water quality parameters is NOT monitored on a daily basis in a water treatment plant? BOD
Question 47 It is a biological property of water that refers to the non-pathogenic bacteria present in the intestines and its numbers indicate contamination. total coliform
Question 48 The following may result from the excessive heat released from power plants to receiving water bodies, except: Sediments will pile up.
Question 49 It is a model that balances the inputs, outputs and storage of water in a system.
water budget
Question 50 _______ is excessive concentrations of particular substances for sufficient periods of time to cause identifiable effects. Surface Water Pollution
Question 51 As the amount of wastes decreases in water, the DO level decreases.
false
Question 52 What treatments can be done under tertiary treatment? 52 all of the above
Question 53 Melanoidin is a pollutant w/c cause color in molasses.
true
Question 54 It is the aits acid neutralizing capacity (ANC) or buffering.
alkalinity
Question 55 Which government agency ensures that wastewater discharges from industrial plants should not exceed beyond 50 mg/L BOD?
EMB
Question 56 It is the occurrence of rapid vertical change in temperature w/ development of stratification.
56 Thermocline
Question 57 130 ppm of BOD effluent is not acceptable from an industry with an influent of 3,000 to 10,000 ppm BOD.
57 false
Question 58 The ultimate BOD of the waste generated from a plant is 280 mg/L. What is the five-day BOD if the deoxygenation constant k is 0.08 d -1 ?
92.31 mg/l
Question 59 It is one of the major tools of water quality management in rivers to access the capability of a stream to absorb waste load.
DO sag curve
Question 60 It is the dissolution of limestone by reaction w/ SO 2 from rainwater w/ H2SO4 or directly from burning of fossil fuels.
sulfation
Resources that are placed in a reasonable length of time or that are usually readily available or can be generated by natural processes. Renewable All are physical characteristics of water except. Hardness The implementing rules and regulations of RA 9275. DAO10 The following procedures must be observed in BOD analysis except. Samples must be kept at 50decC The pattern of flow of energy in a natural ecosystem is known as the. Food Chain The following are biomedical waste except. Food wastes from the hospital cafeteria Two organisms strive to obtain the same limited resource and in the process both organisms are harmed to some extent. Competition This is the least desirable method of solid waste disposal. Open Dumping This is a technique of using solid wastes as useful products themselves or in creating useful products. Recycling The following industries must have a biological process in treating their wastewater except. Glass production Wastes generated from mining, recovery and processing of uranium level. Radioactive wastes Stationary sources that generate air pollutants from open areas exposed to wind processes. Fugitive
Which of the following should be the Natural enhancement in formulating waste management plans? Reduction The general term used for microorganisms that require oxygen in decomposing organic materials. Aerobic The following are the results of poor solid wastes management except population growth Aerobic decomposition of organic matter by microorganisms into a nutrient-rich, stable humus material known as composting Treatment method that uses microorganisms, mostly bacteria, in the biochemical decomposition of wastewater t o stable end products biological A clay-lined depression in which each day’s deposit of fresh garbage is covered with a layer of soil Sanitary Landfill Waste that litter our landscapes are called Solid Wastes The strong interactions among living organisms and the various spheres of the abiotic environment described through cycles Biogeochemical cycles A particularly unpleasant condition of pollution in certain urban environments that occurs when weather conditions produce a relatively stagnant air mass Smog This is a controlled process of combustion for burning solids, liquids or combustible gaseous wastes to gases and to residue containing little or no combustible materials Pyrolysis It is water found beneath the earth’s surface within the zone of saturation Groundwater Which of the following unit operations is usually incorporated in the primary treatment of wastewater Screening Which of the following is not cause of DO depletion in bodies of water Photosynthesis of Algae The major source of these cycles is the atmosphere except Phosporous This is the type of solid wastes that includes garbage, paper products, glass products and metals Municipal The following are considered as environmental hazards except decomposition A compound that ties up the hemoglobin in the blood to a sufficient amount to put added stress on those suffering from cardiovascular and pulmonary disease CO2 The environmental in which a particular organism lives Habitat Some wastewater has a BOD5 of 140 mg/L at 20decC. The reaction rate constant at that temperature has been determined to be a 0.23/day Find the ultimate carbonaceous BOD 205mg/L Gentle mixing of the suspension to promote particle contact forming larger solids Flocculation What is not true about sanitary landfills? Completed landfills maybe used for housing projects Carbon dioxide returns to the atmospheric reservoir through the following processes except Photosynthesis The addition of a chemical to reduce the tendency of the colloids to repel each other coagulation Natural enhancement of nutrient enrichment that occurs over time in a body of water is Eutrophication principle of Sustainability use that aims to meet the human needs while preserving the environment without the future Sustainable development Which of the following materials is the most effective liner in sanitary landfill? Clay Eutrophication in coastal waters can cause an increase in Harmful Algal blooms Compounds that decomposes by photolysis thus attacking the ozone layer CFC Organisms capable of directly utilizing the radiant energy of the sun are Chemotrophic The implementing rules and regulations of RA6969 is DAO29 The undesirable change in the physical, chemical, or bio logical characteristics of the air, water, or land that can harmfully affect humans Pollution If the BOD of an industrial waste after pre-treatment is 220mg/L and the ultimate BOD is 320mg/L. What is the deoxygenating constant 0.233/day Listed below are the most commonly used chemical processes except Aeration Some wastewater has a BOD5 of 140mg/L at 20degC. The reaction rate constant at that temperature has been determined to be a 0.23/day. What is the BOD5 at 15degC? 122mg/L Emitters of air pollutants that move from place to place while yielding emissions Mobile sources Which of the following is not a characteristic of Hazardous waste? Absorbing Some wastewater has a BOD5 of 140mg/L at 20degC. The reaction rate constant at that temperature has been determined to be a o.23/day. What is the reaction rate constant at 15degC? 0.18 All are factors influencing the composition of Municipal Solid Wastes except Combustible Which of the following heavy metals causes negative effects on I.Q., increases restlessness and limits attention span? Cadmium Which of the following fossil fuels is widely used as principal source of energy? Coal
This water classification requires complete treatment (coagulation, filtration, and disinfection) in order to meet the PNSDW. ClassAA It describes the relationship where individuals or organizations consume shared resources and then return their wastes back into the shared resource when each individual or organization fails to recognize that everyone else is acting in the same way. Unsustainable Development
It is the blue print of Earth Summit on Sustainable Development . work toward an environmentally sustainable future
It is a pollutant that causes “itay-itay” disease. PB It requires industrialized countries to reduce worldwide greenhouse gas emissions. Which of the following thermodynamic property is the ultimate measure of environmental degradation? Which of the following is not a principle of Sustainability? responsibilities and accountability of policy makers It refers to the upper limit to population or community size (e.g. biomass) imposed through environmental resistance. Carrying Capacity Which of the following is the least consideration when choosing an alternative energy? For municipal solid wastes, more specific terms to the putrescible food wastes, called _______, and the nonputrescible solid wastes, referred to as ______. *Something about garbage, rubbish, reuse* "The oldest and most widely used form of water treatment, which uses gravity to remove particles from water." Which of the following parameters could explain why Pb can cause leukemia? Which of the following solid wastes can be considered as pathological wastes? It is an act regulating the packaging, use, sale, distribution, and advertisements of tobacco products. It includes delivery of substances, mainly SOx and NOx, acids and salts, through the atmosphere. It is a measure of human demand on the Earth's ecosystems. Which of the following is not an effect of NOx deposition? The difference between the ambient lapse rate and the adiabatic lapse rate determine the stability of the atmosphere.\ -
True
It is the combustible gas produced from fermentation of solid wastes where wastes are acted upon by anaerobic microorganisms. -
Methane
It is hazardous waste classification that refers to commercial or industrial hazardous waste incinerators. -
Class B
Waste generator determines if wastes are hazardous or not. -
True
It is a plant used to cover soil in sanitary landfills to prevent erosion, to lessen permeability of water and to encapsulate contaminants. -
Vertiver
It is called as “summertime pollutant” since sunlight and hot weather can cause ground level concentration of this pollutant harmful. - O3 Prior to issuance of ECC, proponent needs to identify capability to finance the needs for emergency response, clean-ups, or rehabilitation of area damaged. -
True
PM-10 will pose more risk to respiratory system than PM-2.5. -
False
Smoking is ban in elevators and stairwells.\ - True Incineration is totally banned as indicated in RA 8749. -
False
Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? -
Ra-226
It is an infectious agent capable of causing disease.\ -
Pathogen
When SOx causes respiratory illness from direct inhalation, it is a ___ pollutant. -
Primary
Indiscriminate parking of old and unused vehicles in front of your house is classified as dumping. - True Bromine is 10 to 100 times more effective than chlorine at destroying ozone. -
True
Municipal solid waste contains about 50% volatile (combustible) matter, w/ roughly equal proportions of moisture & inert solids. -
True
Which of the following should be the least consideration in formulating waste management plans? -
Disposal
Tropospheric ozone is bad ozone.\
-
True
It is direct uptake process at the earth’s surface involving turbulent mixing or settling of gases and particles followed by absorption, adsorption, adhesion or impaction. -
Dry
ISO14000 accreditation is mandated. -
True
Dioxin is one of the “dirty dozen” pollutants identified stipulated in the Basel Convention. - True
Which of the following is not a cause of solid waste problem? -
Globalization
EMS, ISO14000 and Life Cycle Assessment are few tools used in industry to implement the science of Industrial Ecology. -
True
It is the water that percolates through a landfill and contains contaminating substances. -
Leachate
Biostimulation of indigenous microbial pop-ins in soils & or ground water may be done in or ex situ. -
True
Which of the following is not a major benefit from recycling? -
Energy recovery
Emission trading is allowed to both attainment and non-attainment areas. -
False
Aaerobic conditions are maintained in composting to avoid objectionable odour. -
True
Air Quality is dependent on the dynamics of the atmosphere especially the temperature profile. - True Solid wastes are usual vectors (carriers) for disease transmission. -
True
Which of the following hazardous waste treatment is used in heavy metal recovery? -
All of the above
Urinating, defecating, spitting in a public place are prohibited under Anti-Littering Law. -
True
It is a component of hazardous waste paradigm that needs to secure Environmental Compliance Certificate. - Treater Continuous Quality Improvement (CQI) is the main goal of EMS and is driven by customer satisfaction - True It is the government agency that is given powers and functions to implement RA 9003. - Mmda and lgu Which of the following is not considered as special waste? - No answer It is the dissolution of limestone by reaction w/ SO 2 from rainwater w/ H2SO4 or directly from burning of fossil fuels. - Sulfation
The Philippine Ecological Solid Waste Management Act is also known as: - 9003 All of these places are classified as “public areas” where smoking is banned except _______. - Colleges
Which of the following is not a requirement of a sanitary landfill? - Aetor Leachate treatment is done using _____ process. -
Biological
Immobilization of toxics may be done using the following materials except ______. - Asbestos It is a treatment process that utilizes microorganisms to turn organic matter into CO2 and more microorganisms through respiration and synthesis - Biological Which is not a major requirement in composting? -
Anaerobic Condition
Environmental Management System (EMS) is strategy-driven not compliance-driven. - True It is the respiratory illness found to be common among coal miners due to particulate matter from coal combustion. - Black Lung Disease Which among the following is not an illness caused by particulate matters? - Minimata It is the type of plume produced during inversion that helps keep the pollution high above the ground reducing exposure to people living downwind. - Lofting
It is the use of plants to break down or degrade toxic chemical compounds that have accumulated in the environment -
phytoremediation
Composting is an aerobic treatment decomposition of organic matter by microorganisms (bacteria & fungi) into a nutrient-rich, stable humus material. - True
Which of the following should be the top consideration in formulating waste management plans? - Source reduction It is the respiratory illness found to be common among firemen due to decomposition of their firemen suite.
- Asbestosis Which of the following GHG’s has the highest GWP? - SF6 Refuse-derived fuel is always acceptable in all industries. - False “Warning: Cigarette Smoking is Dangerous to your Health" statement shall appear in conspicuous place on every cigarette package. - True It is an agreement among countries that discourages the illegal trade of CFC’s & to seek alternatives to their use. - Montreal Protocol
Which of the following is not a potentially hazardous waste from manufacture of medicines? - Abraisives It requires industrialized countries to reduce worldwide greenhouse gas emissions. - Kyoto Protoco Currently, dumpsites are still the most-favoured means of disposal. - False
Which of the following is not thermophilic bacteria use as principal decomposers in the early stage of composting? -
Aspergillus
Stratospheric ozone is bad ozone. - False
Which of the following is a major engineering design component of incinerators? - All of the above This refers to the process of recovering materials intended for the same or different purpose without the alteration of physical and chemical characteristics, and this extends the life of the original product, thus reducing wastes. - Reuse It bears the costs for the proper storage, treatment and disposal of their hazardous waste. - Generator Soot is the by-product of incomplete combustion. - True
It is the use of bacteria and fungi and plants to break down or degrade toxic chemical compounds that have accumulated in the environment. -
Bioremediation
Which of the following is not a major consideration in the selection of the location of a sanitary landfill? -
Cost of land
All open dumpsites must be closed and/or converted into “controlled disposal facilities” within 3 years upon implementation of RA9003. - True
One of the key benefits on management in EMS is the balance of economic and environment interests in a company. - True Attainment areas have existing ambient air quality values at or below the NAAQS values. - True Aerobic treatment of leachate has less sludge production and has reduced energy needs. - False
Which of the following is not a potentially hazardous waste from manufacture of metals? -
Abrasives
It is an international treaty designed to reduce the movements of hazardous waste between nations, and prevents transfer of hazardous waste from developed to less developed countries. -
Basel Convention
It is a plant used to remove radioactive cesium and strontium from Chrenobyl site. -
Sunflower
Persistent Organic Pollutants (POP’s) are hydophillic. - False
It refers to treatment of inorganic sludge and contaminated soils by binding agents. -
immobilization
Which of the following treatment is not a chemical treatment of hazardous wastes? -
No answer
Ashes collected in incinerator may contain heavy metals. -
True
Inorganic pollutants considered as hazardous wastes such as Hg, Pb, Cd & As have the following characteristics except ____. -
Water soluble
Which of the following is a potentially hazardous waste from manufacture of plastics? -
organic chlorine compound
It refers to friction sensitive substances like solvents & ignition triggered by static electricity. -
Ignitability
It is an a ct regulating the packaging, use, sale, distribution, and advertisements of tobacco products. -
9211
The DO should not drop to 5 mg/L, for the existence and persistence of a quatic lives. true COD is a better representation of the strength of o rganic wastes contained in wastewater as compared to BOD. false It is used to facilitate ea sier drying of sludge prior to disposal without using open dry bed. filter press It is the most commonly used oxidizing agent in the determination of COD. K2Cr2O7 What treatment of leachate is used by the sanitary landfill we visited? aerobic It is due to dissolved ions in solutions that conducts electricity and it is the measure of the ability of a n aqueous solution to carry an electric current. conductivity It is used as coagulant and to depress the pH. Al2(SO4)3 It is the amount of dissolved oxygen used-up by microorganism to break up organic materials in water at 20oC over a period of 5 days. BOD5 Which among these physical methods of treating wastewater is the best method if volatile substances are dissolved in the water? new:degasification It is the outflow from a sewage treatment plant. Effluent A plant manufacturing cadmium-battery will cause what environmental impact on water? : itay-itay disease Which of the following is NOT a characterization of water quality? physiological Which government agency regulates water utilities in the Philippines regardless of source, surface or ground water? Metropolitan Waterworks and Sewerage System (MWSS) Which of the following chemical properties is NOT r elated to the group? ph Which of the following pollutants indicate high BOD? all of the above It is a physical water quality parameter that is caused by dissolved organics (phenols, chlorophenols) & inorganic chemicals & organisms, or due to decaying micro-organisms or algae or due to high concentrations of salts such as Ca +2, Mg+2, Cl- and this parameter is difficult to measure (subjective).
odor and taste It is when the water is pumped from an aquifer; the water table is depressed around the well. cone of depression The ultimate BOD of wastes from a plant is 280 mg/L. What is the five -day BOD if the deoxygenation constant k is 0.12 d mg/l Which government agency issues water permit to deep wells to be installed? National Water Resources Board (NWRB)
-1 ?
126.33
The pH of acidic rain water is 3. true It is the circulation of water from the oceans to the atmosphere and back to the oceans by way of evaporation, runoff from streams and rivers, and groundwater flow. Hydrologic cycle Which of the following pollutants deplete oxygen in water in their decomposition into simpler substances? organics What is the theoretical demand for oxygen if a chemical is identified by the general formula C 4H8O2? 90.91 mg/L The company you work for plans to release a waste stream found to contain 7.0 mg/L of benzaldehyde (C 7H6O) and 5 mg/L of NH 3-N. Calculate the theoretical oxygen demand of this waste stream (in mg/L). 39.76 Rivers have some capacity for self-purification. true It is an underground zone or body of earth material from which groundwater can be obtained from a well at a useful rate. Aquifer Sedimentation or clarification is _______ method of treating water. physical It is an attached cell/biofilm process (biological treatment) where solid disks with attached biofilms rotate on a horizontal axis to alternately contact the waste stream and the atmosphere. rotating biological contactor (RBC) It is the study the physical, chemical & biological characteristics of rivers & lakes. limnology Which of the following agencies monitor water quality if it complies with Philippine National Standard for Drinking Water (PNSDW)? DOH Microorganisms that require oxygen in decomposing organic materials. Aerobic It is the natural process whereby waters emerge from their stream channel to cover part of the floodplain. Flooding The rate of which oxygen is co nsumed is directly proportional to the concentration of degradable organic matter remaining at any time t. true Which of the following is NOT part of a conventional water treatment? screening It is the maximum oxygen consumption possible when the waste has been completely degraded. BodU The Laguna Lake, being used in fish propagation, is classified as ______ water. class C According to Philippine Clean Water Act (RA9275 ), all industrial plants are required to hav e a wastewater treatment plant. true Which of the following water quality parameter is affected by power plants? temperature Which of the following chemical properties of water is NOT related to the group? temperature The laboratory testing for water and wastewater samples is done at standard temperature of 20 oC. true What is the basis of choosing the filtration method to be used in water treatment? size of the particles to be filtered Which of the following effects are caused by extreme temperature? all of the above What coagulant is being used in the water district we visited? NO
Resources that are placed in a reasonable length of time or that are usually readily available or can be generated by natural processes. Renewable All are physical characteristics of water except. Hardness The implementing rules and regulations of RA 9275. DAO10 The following procedures must be observed in BOD analysis except. Samples must be kept at 50decC The pattern of flow of energy in a natural ecosystem is known as the. Food Chain The following are biomedical waste except. Food wastes from the hospital cafeteria Two organisms strive to obtain the same limited resource and in the process both organisms are harmed to some extent.
Competition This is the least desirable method of solid waste disposal. Open Dumping This is a technique of using solid wastes as useful products themselves or in creating useful products. Recycling The following industries must have a biological process in treating their wastewater except. Glass production Wastes generated from mining, recovery and processing of uranium level. Radioactive wastes Stationary sources that generate air pollutants from open areas exposed to wind processes. Fugitive Which of the following should be the Natural enhancement in formulating waste management plans? Reduction The general term used for microorganisms that require oxygen in decomposing organic materials. Aerobic The following are the results of poor solid wastes management except population growth Aerobic decomposition of organic matter by microorganisms into a nutrient-rich, stable humus material known as
composting Treatment method that uses microorganisms, mostly bacteria, in the biochemical decomposition of wastewater to stable end products biological
A clay-lined depression in which each day’s deposit of fresh garbage is covered with a layer of soil Sanitary Landfill Waste that litter our landscapes are called Solid Wastes The strong interactions among living organisms and the various spheres of the abiotic e nvironment described through cycles Biogeochemical cycles A particularly unpleasant condition of pollution in certain urban environments that occurs when weather conditions produce a relatively stagnant air mass Smog This is a controlled process of combustion for burning solids, liquids or combustible gaseous wastes to gases and to residue containing little or no combustible materials Pyrolysis It is water found beneath the earth’s surface within the zone o f saturation Groundwater Which of the following unit operations is usually incorporated in the primary treatm ent of wastewater Screening Which of the following is not cause of DO depletion in bodies of water Photosynthesis of Algae The major source of these cycles is the atmosphere except Phosporous This is the type of solid wastes that includes garbage, pape r products, glass products and metals Municipal The following are considered as environmental hazards except decomposition A compound that ties up the hemoglobin in the blood to a sufficient amount to put added stress on those suffering from cardiovascular and pulmonary disease CO2 The environmental in which a particular organism lives Habitat Some wastewater has a BOD5 of 140 mg/L at 20decC. The reaction rate constant at that temperature has been determined to be a 0.23/day Find t he ultimate carbonaceous BOD 205mg/L Gentle mixing of the suspension to promote particle contact forming larger solids Flocculation What is not true about sanitary landfills? Completed landfills maybe used for housing projects Carbon dioxide returns to the atmospheric rese rvoir through the following processes except Photosynthesis The addition of a chemical to reduce the tendency of the colloids to repel each other coagulation Natural enhancement of nutrient enrichment that occurs ove r time in a body of water is Eutrophication principle of Sustainability use that aims to meet the human ne eds while preserving the environment without the future
Sustainable development Which of the following materials is the most effective liner in sanitary landfill? Clay Eutrophication in coastal waters can cause an increase in Harmful Algal blooms Compounds that decomposes by photolysis thus attacking the ozone layer CFC Organisms capable of directly utilizing the radiant energy of the sun ar e Chemotrophic The implementing rules and regulations of RA6969 is DAO29 The undesirable change in the physical, chemical, or biological characteristics of the air, water, or land that can harmfully affect humans Pollution If the BOD of an industrial waste after pre-treatment is 220mg/L and the ultimate BOD is 320mg/L. What is the deoxygenating constant 0.233/day Listed below are the most commonly used c hemical processes except Aeration Some wastewater has a BOD5 of 140mg/L at 20degC. The reaction rate constant at that temperature has been determined to be a 0.23/day. What is the BOD5 at 15degC? 122mg/L Emitters of air pollutants that move from place to place while yielding emissions Mobile sources Which of the following is not a characteristic of Hazardous waste? Absorbing Some wastewater has a BOD5 of 140mg/L at 20degC. The reaction rate constant at that temperature has been determined to be a o.23/day. What is the reaction rate constant at 15degC? 0.18 All are factors influencing the composition of Municipal Solid Wastes except Combustible Which of the following heavy metals causes negative effect s on I.Q., increases restlessness and limits attention span? Pb Which of the following fossil fuels is widely used as principal source of e nergy? Coal
This water classification requires complete treatment (coagulation, filtration, and disinfection) in order to meet the PNSDW. ClassAA It describes the relationship where individuals or organizations consume shared resources and t hen return their wastes back into the shared resource when each individual or organization fails to recognize that everyone else is acting in the same way. Unsustainable Development It is the blue print of Earth Summit on Sustainable Development. It is a pollutant that causes “itay-itay” disease. Cd It requires industrialized countries to reduce worldwide greenhouse gas emissions. Which of the following thermodynamic property is the ultimate measure of e nvironmental degradation? Which of the following is not a principle of Sustainability? responsibilities and accountability of policy makers It refers to the upper limit to population or community size (e.g. biomass) imposed through environmental resistance.
Carrying Capacity Which of the following is the least consideration when choosing an alternative energy? For municipal solid wastes, more specific terms to the putrescible food wastes, called _______, and the nonputrescible solid wastes, referred to as ______. *Something about garbage, rubbish, reuse* "The oldest and most widely used form of water treatment, which uses gravity to remove particles from water." Which of the following parameters could explain why Pb can cause leukemia? Which of the following solid wastes can be considered as pathological wastes? It is an act regulating the packaging, use, sale, distribution, and advertisements of tobacco products. It includes delivery of substances, mainly SOx and NOx, acids and salts, through the atmosphere. It is a measure of human demand on the Earth's ecosystems. Which of the following is not an effect o f NOx deposition? The difference between the ambient lapse r ate and the adiabatic lapse rate determ ine the stability of the atmosphere.\ - True
It is the combustible gas produced from fermentation of solid wastes where wastes are acted upon by anaerobic microorganisms. - Methane It is hazardous waste classification that refers to commercial or industrial hazardous waste incinerators. - Class B Waste generator determines if wastes are hazardous or not. - True It is a plant used to cover soil in sanitary landfills to prevent erosion, to lessen permeability of wate r and to encapsulate contaminants. - Vertiver It is called as “summertime pollutant” since sunlight and hot weather can cause ground level concentration of this pollutant harmful. - O3 Prior to issuance of ECC, proponent nee ds to identify capability to finance the needs for emerge ncy response, clean-ups, or rehabilitation of area damaged. - True PM-10 will pose more risk to respiratory system than PM-2.5. - False Smoking is ban in elevators and stairwells.\ - True Incineration is totally banned as indicated in RA 8749. - False Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? - Ra-226 It is an infectious agent capable of c ausing disease.\ - Pathogen When SOx causes respiratory illness from direct inhalation, it is a ___ pollutant. - Primary Indiscriminate parking of old and unused vehicles in front of your house is classified as dumping. - True Bromine is 10 to 100 times more effective than chlorine at destroying ozone. - True
Municipal solid waste contains about 50% volatile (combustible) matter, w/ roughly equal proportions of moisture & inert solids. - True Which of the following should be the least consideration in formulating waste management plans? - Disposal Tropospheric ozone is bad ozone. - True It is direct uptake process at the earth’s surface involving turbulent mixing or settling of gases and particles followed by absorption, adsorption, adhesion or impaction. - Dry ISO14000 accreditation is mandated. - True Dioxin is one of the “dirty dozen” pollutants identified stipulated in the Basel Convention. - True Which of the following is not a cause of solid waste problem? - Globalization EMS, ISO14000 and Life Cycle Assessment are few tools used in industry to implement the science of Industrial Ecology. - True It is the water that percolates through a landfill and contains contaminating substances. - Leachate Biostimulation of indigenous microbial pop-ins in soils & or ground water may be done in or ex situ. - True Which of the following is not a major benefit from recycling? - Energy recovery Emission trading is allowed to both attainment and non-attainment areas. - False Aaerobic conditions are maintained in composting to avoid objectionable odour. - True Air Quality is dependent on the dynamics of the atmosphere especially the temperature profile. - True Solid wastes are usual vectors (carriers) for disease transmission. - True
Which of the following hazardous waste treatment is used in heavy metal recovery? - All of the above Urinating, defecating, spitting in a public place are prohibited under Anti-Littering Law. - True It is a component of hazardous waste paradigm that needs to secure Environmental Compliance Certificate. - Treater Continuous Quality Improvement (CQI) is the main goal of EMS and is driven by customer satisfaction - True It is the government agency that is given powers and functions to implement RA 9003 . - Mmda and lgu Which of the following is not considered as special waste? - No answer It is the dissolution of limestone by reaction w/ SO2 from rainwater w/ H2SO4 or directly from burning of fossil fuels. -
Sulfation The Philippine Ecological Solid Waste Management Act is also known as: - 9003 All of these places are classified as “public areas” where smoking is banned except _______. - Colleges Which of the following is not a re quirement of a sanitary landfill? - Aetor Leachate treatment is done using _____ process. - Biological Immobilization of toxics may be done using the following materials except ______. - Asbestos It is a treatment process that utilizes microorganisms to turn organic matter into CO2 and more microorganisms through respiration and synthesis - Biological Which is not a major requirement in composting? - Anaerobic Condition Environmental Management System (EMS) is strateg y-driven not compliance-driven. - True It is the respiratory illness found to be common among coal miners due to particulate matter from coal combustion. -
Black Lung Disease
Which among the following is not an illness caused by particulate matters? - Minimata It is the type of plume produced during inversion that helps keep the pollution high above the ground reducing exposure to people living downwind. - Lofting It is the use of plants to break down or degrade toxic chemical compounds that have accumulated in the environment - phytoremediation Composting is an aerobic treatment decomposition of organic matter by microorganisms (bacteria & fungi) into a nutrient-rich, stable humus material. - True Which of the following should be the top consideration in formulating waste management plans? - Source reduction It is the respiratory illness found to be common among firemen due to decomposition of their firemen suite. - Asbestosis Which of the following GHG’s has the highest GWP? - SF6 Refuse-derived fuel is always acceptable in all industries. - False “Warning: Cigarette Smoking is Dangerous to your Health" statement shall appear in conspicuous place on every cigarette package. - True It is an agreement among countries that discourages the illegal trade of C FC’s & to seek alternatives to their use. - Montreal Protocol Which of the following is not a potentially hazardous waste from manufacture of m edicines? - Abraisives It requires industrialized countries to reduce worldwide greenhouse gas emissions. - Kyoto Protoco Currently, dumpsites are still the most-favoured means of disposal. - False Which of the following is not thermophilic bacteria use as principal decomposers in the early stage of composting? - Aspergillus Stratospheric ozone is bad ozone. - False Which of the following is a major engineering design co mponent of incinerators? - All of the above This refers to the process of recovering materials intended for the same or different purpose without the alteration of physical and chemical characteristics, and this extends the life of t he original product, thus reducing wastes. - Reuse
It bears the costs for the proper storage, treatment and disposal of their hazardous waste. - Generator Soot is the by-product of incomplete combustion. - True It is the use of bacteria and fungi and plants to break down or degrade toxic chemical compounds that have accumulated in the environment. - Bioremediation Which of the following is not a major c onsideration in the selection of the location of a sanitary landfill? - Cost of land All open dumpsites must be closed and/or converted into “controlled disposal facilities” within 3 years upon implementation of RA9003. - True One of the key benefits on management in EMS is the balance of economic and environment interests in a company. - True Attainment areas have existing ambient air quality values at or below the NAAQS values. - True Aerobic treatment of leachate has less sludge production and has reduced energy nee ds. - False Which of the following is not a potentially hazardous waste from manufacture of m etals? - Abrasives It is an international treaty designed to reduce the movements of hazardous waste between nations, and prevents transfer of hazardous waste from developed to less developed countries. - Basel Convention It is a plant used to remove radioactive cesium and strontium from Chrenobyl site. - Sunflower Persistent Organic Pollutants (POP’s) are hydophillic. - False It refers to treatment of inorganic sludge and contaminated soils by binding agents. - immobilization Which of the following treatment is not a chemical treatment of hazardous wastes? - No answer Ashes collected in incinerator may contain heavy metals. - True Inorganic pollutants considered as hazardous wastes such as Hg, Pb, Cd & As have the following characteristics except ____. - Water soluble Which of the following is a potentially hazardous waste from manufacture of plastics? - organic chlorine compound
It refers to friction sensitive substances like solvents & ignition triggered by static electricity. - Ignitability It is an act regulating the packaging, use, sale, distribution, and advertisements of tobacco pr oducts. - 9211
The DO should not drop to 5 mg/L, for the existence and persistence of aquatic lives. true COD is a better representation of the strength of organic wastes contained in wastewater as compared to BOD. false It is used to facilitate easier drying of sludge prior to disposal without using open dry bed. filter press
It is the most commonly used oxidizing agent in the determination of COD. K2Cr2O7 What treatment of leachate is used by the sanitary landfill we visited? aerobic It is due to dissolved ions in solutions that conducts electricity and it is the measure of the ability of an aqueous solution to carry an electric current. conductivity It is the amount of dissolved oxygen used-up by m icroorganism to break up organic materials in water at 20oC over a period of 5 days. BOD5 Which among these physical methods of treating wastewater is the best method if volatile substances are dissolved in the water? new:degasification It is the outflow from a sewage treatment plant. Effluent A plant manufacturing cadmium-battery will cause what environmental impact on water? : itay-itay disease Which of the following is NOT a characterization of water quality? physiological Which government agency regulates water utilities in the Philippines regardless of source, surface or g round water?
Metropolitan Waterworks and Sewerage System ( MWSS) Which of the following chemical properties is NOT related to the group? ph Which of the following pollutants indicate high BOD? all of the above
It is a physical water quality parameter that is caused by dissolved organics (phenols, chlorophenols) & inorganic chemicals & organisms, or due to decaying micro-organisms or algae or due to high concentrations of salts such as Ca+2, Mg+2, Cl- and this parameter is difficult to me asure (subjective).
odor and taste It is when the water is pumped from an aquifer; the water t able is depressed around the well. cone of depression
The ultimate BOD of wastes from a plant is 280 mg/L. What is the five-day BOD if the deoxygenation constant k is 0.12 d-1 ? 126.33 mg/l Which government agency issues water permit to deep wells to be installed? National Water Resources Board (NWRB) The pH of acidic rain water is 3. true It is the circulation of water from the oceans to the atmosphere and back to the oceans by w ay of evaporation, runoff from streams and rivers, and groundwater flow. Hydrologic cycle Which of the following pollutants deplete oxygen in water in their decomposition into simpler substances? organics What is the theoretical demand for oxyge n if a chemical is identified by the ge neral formula C4H8O2? 90.91 mg/L The company you work for plans to release a waste stream found to contain 7.0 mg/L of benzaldehyde (C7H6O) and 5 mg/L of NH3-N. Calculate the theoretical oxygen demand of this waste stream (in mg/L). 39.76 Rivers have some capacity for self-purification. true It is an underground zone or body of earth material from which groundwater can be obtained from a well at a useful rate. Aquifer Sedimentation or clarification is _______ method of treating water. physical It is an attached cell/biofilm process (biological treatment) where solid disks with attached biofilms rotate on a horizontal axis to alternately contact the waste stream and the atmosphere. rotating biological contactor (RBC) It is the study the physical, chemical & biological characteristics of rivers & lakes. limnology Which of the following agencies monitor water quality if it complies with Philippine National Standard for Drinking Water (PNSDW)? DOH Microorganisms that require oxygen in decomposing organic materials. Aerobic It is the natural process whereby waters emerge from their stream channel to cover part of the floodplain. Flooding The rate of which oxygen is c onsumed is directly proportional to the concentration of degradable organic matter remaining at any time t. true Which of the following is NOT part of a conventional water treatment? Screening It is the maximum oxygen consumption possible when the waste has been completely degraded. BodU The Laguna Lake, being used in fish propagation, is classified as ______ water. class C According to Philippine Clean Water Act (RA9275), all industrial plants are required to have a wastewater treatment plant. true
Which of the following water quality parameter is affected by power plants? temperature Which of the following chemical properties of water is NOT related to the group? temperature The laboratory testing for water and w astewater samples is done at standard temperature of 20oC. true What is the basis of choosing the filtration method to be used in water treatment? size of the particles to be filtered Which of the following effects are caused by extreme temperature? all of the above What coagulant is being used in the water district we visited? NO Which of the following water quality parameters is NOT monitored on a daily basis in a water treatment plant? BOD It is a biological property of water that refers to the non-pathogenic bacteria present in the intestines and its numbers indicate contamination. total coliform
The following may result from the excessive heat released from power plants to rece iving water bodies, except:
Sediments will pile up.
It is a model that balances the inputs, outputs and storage of water in a system. water budget _______ is excessive concentrations of particular substances for sufficient periods of time to cause identifiable effects.
Surface Water Pollution
As the amount of wastes decreases in water, the DO level decreases. false What treatments can be done under tertiary treatment? ALL OF THE ABOVE Melanoidin is a pollutant w/c cause color in molasses. TRUE It is the aits acid neutralizing capacity (ANC) or buffering. alkalinity Which government agency ensures that wastewater discharges from industrial plants should not exceed beyond 50 mg/L BOD? EMB It is the occurrence of rapid vertical change in temperature w/ development of stratification. Thermocline 130 ppm of BOD effluent is not acceptable from an industry with an influent of 3,000 to 10,000 ppm BOD. FALSE
The ultimate BOD of the waste generated from a plant is 280 mg/L. What is the five-day BOD if the deoxygenation constant k is 0.08 d-1 ? 92.31 mg/l
It is one of the major tools of water quality management in rivers to access the capability of a stream to absorb waste load. DO sag curve It is the dissolution of limestone by reaction w/ SO2 from rainwater w/ H2SO4 or directly from burning of fossil fuels.
sulfation
1. The major source of these cycles is the atmosphere EXCEPT Phosphorus 2. Which of the following heavy metals causes negative effects on I.Q. = Cadmium 3. Which of the following is the least consideration when choosing an alternative energy = sustainability 4. Decrease of brain cells and loss of memory = Cd^2+ 5. Engineers have direct effect o n the following except: = Natural systems 6. Biogeochemical processes occur = Abiotic environment 7. Total number of different species in an ecosystem and their relative abundance = biodiversity 8. The strong interactions among living organisms and the various spheres of the abiotic environment described through cycles = Biogeochemical cycles 9. Natural enhancement of nutrient enrichment that occurs over time in a body of water is = Eutrophication 10. Which of the ff biogenic biogeochemical cycles does not invlove air = Carbon 11. It is the strong interactions among living organisms & the various spheres of the abiotic environment described through cycles of matter that involve biological, chemical & geological processes & phenomena 12. The environment in w/c a particular or ganism lives = habitat 13. Two organisims strive to obtain source = Competition 14. It is a specific component where nutrient resides = nutrient pool 15. Pattern of resource use that aims to meet the human needs = Sustainable development 16. Organism’s habitat + role + tolerance limits to all limiting factors = niche 17. Includes delivery of substance, mainly SOx and NOx, acids and salts, through the atmosphere = Acid deposition 18. Highest consideration in formulating waste management plans = Reduction 19. Level of nourishment occupied by plants = 20. Thermodynamic property is the ultimate measure of =Entropy 21. Enrichment of water by inorganic plant nutrients (n,p,k) = Eutrophication 22. Resources that are placed in reasonable length of time = renewable 23. Euthrophication in coasttal water can cause increase in = harmful algal blooms 24. Which of the following is not an effect of NOx, deposition = eutrophication 25. Organisms capable of directly radiant energy = c hemotrophic 26. Ecosystem with no light and little O2 = Benthic zone 27. Upper limit to population or community = carrying capacity
28. General term for microorganisms = aerobic 29. Rate of exchange of nutrients between pools = nutrient cycle 30. Fossil fuels as principal source of energy = coal 31. Science that developed introducing systems framework intto industry = e nvi science 32. The pattern of flow of energy in a natural ecosystem = food chain 33. Itay itay disease = Mn 34. Pb can cause leukemia = oxidation number
