o? >o??'e D. A'' of the a&o a&o,e ,e 13. 13. The The &o" &o"nd ndar ariies of of a con contr tro' o' ,o'"m o'"me@ e@ which hich may either ther rea' ea' or or imaginary is ca''ed _____. A. Cont Contro ro'' &o"nd &o"ndary ary B. Cont Contro ro'' syst system em C. :nte :nterf rfac ace e D. Contr Contro' o' s"rfac s"rface e 14. 14. Any Any char charac acte teri rist stic ic of a ther thermo mody dyna nami mics cs syst system em is ca'' ca''ed ed a ____ _____. _. A. rope ropert rty y B. rocess cess C. hase D. Cyc'e 15. How are are thermody odynamic propertie ties c' c'assi!ed/
D. The entropy7temp entropy7temperat" erat"re re re'ationshi re'ationship p %. )hat is the the mass mass or region region o"tside o"tside the system system ca''ed ca''ed// A. -"rro -"rro"nd "ndin ings gs B. Bo"n Bo"nda dary ry C. 6o'"m o'"me e D. 8n,i 8n,iro ronm nmen entt 19. 19. )hat )hat is the the rea' ea' or im imag agin inar ary y s"rf s"rfac ace e that that sepa separa rate tess the the syst system em from its s"rro"ndings/ A. Di, Di,isi ision B. )a'' C. Bo"n Bo"nda dary ry D. :nte :nterf rfac ace e 11. 11. A sy syste stem whi which ch cons consiists sts of of !; !;ed amo"nt o"nt of mass ass and and no mass ass can cross its &o"ndary ca''ed _____. A. 82"i'i 82"i'i&ri &ri"m "m system system B. Therma' Therma' e2"i'i&ri" e2"i'i&ri"m m system system C.
o? >o??'e D. A'' of the a&o a&o,e ,e 13. 13. The The &o" &o"nd ndar ariies of of a con contr tro' o' ,o'"m o'"me@ e@ which hich may either ther rea' ea' or or imaginary is ca''ed _____. A. Cont Contro ro'' &o"nd &o"ndary ary B. Cont Contro ro'' syst system em C. :nte :nterf rfac ace e D. Contr Contro' o' s"rfac s"rface e 14. 14. Any Any char charac acte teri rist stic ic of a ther thermo mody dyna nami mics cs syst system em is ca'' ca''ed ed a ____ _____. _. A. rope ropert rty y B. rocess cess C. hase D. Cyc'e 15. How are are thermody odynamic propertie ties c' c'assi!ed/
A. B. C. D.
hysic hysica' a' and and chemic chemica' a' :ntens :ntensi, i,e e and e;ten e;tensi, si,e e (ea' and im imagi aginar nary y Homogeneo" Homogeneo"ss and heter heterogene ogeneo"s o"s 1#. 1#. The The ther thermo mody dyna nami micc prop proper erti ties es that that are are inde indepe pend nden entt on on the the si?e si?e of the system is ca''ed _____. A. 8;tens 8;tensi,e i,e proper property ty B. :ntens :ntensi, i,e e prop propert erty y C.
B. Therma' C. echanica' D. hase 4. A system is in ______ e2"i'i&ri"m of its chemica' composition does not change with time@ i.e.@ no chemica' reaction occ"rs. A. Chemica' B. Therma' C. echanica' D. hase 5. “The state of a simp'e compressi&'e system is comp'ete'y speci!ed &y two independent@ intensi,e properties”. This is known as ______. A. 82"i'i&ri"m post"'ate B. -tate post"'ate C. 8n,ironment post"'ate D. Compressi&'e system post"'ate #. )hat is the "nit of the tota' energy of the system/ A. + B. +E+g C. +g D. g %. )itho"t e'ectrica'@ mechanica'@ gra,itationa'@ s"rface tension and motion eFects@ a system is ca''ed _____ system. A. -imp'e B. -imp'e compressi&'e C. Compressi&'e D. :ndependent 9. )hat refers to any change that a system "ndergoes from one e2"i'i&ri"m state to another e2"i'i&ri"m state/ A. rocess B. ath C. hase D. Cyc'e 1. )hat refers to the series of state thro"gh which a system passes d"ring a process/ A. ath B. hase C. Cyc'e D. Direction . How many independent properties are re2"ired to comp'ete'y !; the e2"i'i&ri"m state of a p"re gaseo"s compo"nd/ A. $ B. C. D. 1
. )hat is a process in which the system remains in!nitesima''y c'osed to an e2"i'i&ri"m state at a'' times/ A. ath e2"i'i&ri"m process B. Cyc'e e2"i'i&ri"m process C. hase e2"i'i&ri"m process D. "asi7state or 2"asi7 e2"i'i&ri"m process $. A c'osed system may refer to ______. A. Contro' mass B. Contro' ,o'"me C. Contro' energy D. Contro' temperat"re 3. An open system may refer to ______. A. Contro' mass B. Contro' ,o'"me C. Contro' energy D. Contro' temperat"re 4. A system is said to &e in thermodynamic e2"i'i&ri"m if it maintains ______ e2"i'i&ri"m. A. echanica' and phase B. Therma' and chemica' C. Therma'@ mechanica' and chemica' D. Therma'@ phase@ mechanica' and chemica' 5. )hat is a process with identica' end states ca''ed/ A. Cyc'e B. ath C. hase D. 8ither path or phase #. )hat is a process d"ring which the temperat"re remains constant/ A. :so&aric process B. :sotherma' process C. :sochoric process D. :sometric process %. )hat is a process d"ring which the press"re remains constant/ A. :so&aric process B. :sotherma' process C. :sochoric process D. :sometric process $9. )hat is a process d"ring which the speci!c ,o'"me remains constant/ A. :so&aric process B. :sotherma' process C. :sochoric or isometric process D. :so,o'"metric process $1. The pre!; “iso” "sed to designate a process means ______. A. Cannot &e interchanged
B. (emains constant C. Appro;imate'y e2"a' D. -'ight diFerence $. )hat does the term “steady” imp'ies/ A. >o change with ,o'"me B. >o change with time C. >o change with 'ocation D. >o change with mass $. )hat does the tem “"niform” imp'ies/ A. >o change with ,o'"me B. >o change with time C. >o change with 'ocation D. >o change with mass $$. )hat is de!ned as a process d"ring which a ="id =ows thro"gh a contro' ,o'"me steadi'y/ A. Transient7=ow process B. -teady and "niform process C. niform7=ow process D. -teady7=ow process $3. The s"m of a'' the microscopic form of energy is ca''ed _____. A. Tota' energy B. :nterna' energy C. -ystem energy D. hase energy $4. )hat type of system energy is re'ated to the mo'ec"'ar str"ct"re of a system/ A. acroscopic form of energy B. icroscopic form of energy C. :nterna' energy D. 8;terna' energy $5. )hat form of energy refers to those a system possesses as a who'e with respect to some o"tside reference frame@ s"ch as potentia' and kinetic energies/ A. acroscopic form of energy B. icroscopic form of energy C. :nterna' energy D. 8;terna' energy $#. )ho coined the word “energy” in 1#95/ A. )i''iam (ankine B. ("do'ph C'a"si"s C. *ord +e',in D. Thomas o"ng $%. The mo'ec"'es of a gas mo,ing thro"gh space with some ,e'ocity possesses what kind of energy/ A. Trans'ationa' energy B. -pin energy
C. (otationa' kinetic energy D. -ensi&'e energy 39. The e'ectrons in an atom which rotate a&o"t the n"c'e"s possess what kind of energy/ A. Trans'ationa' energy B. -pin energy C. (otationa' kinetic energy D. -ensi&'e energy 31. 31. The e'ectrons which spins a&o"t its a;is wi'' possess what kind of energy/ A. B. C. D.
Trans'ationa' energy -pin energy (otationa' kinetic energy -ensi&'e energy 3. )hat refers to the portion of the interna' energy of a system associated with the kinetic energies of the mo'ec"'es/ A. Trans'ationa' energy B. -pin energy C. (otationa' kinetic energy D. -ensi&'e energy 3. )hat is the interna' energy associated with the phase of a system ca''ed/ A. Chemica' energy B. *atent energy C. hase energy D. Therma' energy 3$. )hat is the interna' energy associated with the atomic &onds in a mo'ec"'e ca''ed/ A. Chemica' energy B. *atent energy C. hase energy D. -tate energy 33. )hat is the e;treme'y 'arge amo"nt of energy associated with the strong &onds within the n"c'e"s of the atom itse'f ca''ed/ A. Chemica' energy B. *atent energy C. hase energy D. >"c'ear energy 34. )hat are the on'y two forms of energy interactions associated with a c'osed system/ A. +inetic energy and heat B. Heat transfer and work
C. Therma' energy and chemica' energy D. *atent energy and therma' energy 35. )hat states that if two &odies are in therma' e2"i'i&ri"m with a third &ody@ they are a'so in e2"i'i&ri"m with each other/ A. eroth 'aw of thermodynamics B. 0irst 'aw of thermodynamics C. -econd 'aw of thermodynamics D. Third 'aw of thermodynamics 3#. )ho form"'ated the ?eroth 'aw of thermodynamics in 1%1/ A. A. Ce's"is B. A. 8instein C. (.H. 0ow'er D. G. 0ahrenheit 3%. )hat is the thermodynamic temperat"re sca'e in the -: system/ A. +e',in sca'e B. Ce'si"s sca'e C. 0ahrenheit sca'e D. (ankine sca'e 49. )hat is the thermodynamic temperat"re sca'e in the 8ng'ish system/ A. +e',in sca'e B. Ce'si"s sca'e C. 0ahrenheit sca'e D. (ankine sca'e 41. )hat temperat"re sca'e is identica' to the +e',in sca'e/ A. :dea' gas temperat"re sca'e B. :dea' temperat"re sca'e C. A&so'"te gas temperat"re sca'e D. Trip'e point temperat"re sca'e 4. The temperat"res of the idea' gas temperat"re sca'e are meas"red &y "sing a ______. A. Constant7,o'"me gas thermometer B. Constant7mass gas thermometer C. Constant7temperat"re gas thermometer D. Constant7press"re gas thermometer 4. )hat refers to the strong rep"'sion &etween the positi,e'y charged n"c'ei which makes f"sion reaction diIc"'t to attain/ A. Atomic rep"'sion B. >"c'ear rep"'sion C. Co"'om& rep"'sion D. Charge rep"'sion 4$. )hat gas thermometer is &ased on the princip'e that at 'ow press"re@ the temperat"re of a gas is proportiona' to its press"re at constant ,o'"me/ A. Constant7press"re gas thermometer B. :so&aric gas thermometer
C. :sometric gas thermometer D. Constant7,o'"me gas thermometer 43. )hat is the state at which a'' three phases of water coe;ist in e2"i'i&ri"m/ A. Tripoint of water B. Trip'e point of water C. Trip'e phase point of water D. hase point of water 44. )hat is de!ned as the force per "nit area/ A. ress"re B. 8nergy C. )ork D. ower 45. The "nit “pasca'” is e2"i,a'ent to ______. A. >EmJ B. >Em C. >7m D. >7mJ 4#. )hich of the fo''owing is >
A. B. C. D.
Gage press"re A&so'"te press"re Atmospheric press"re 6ac""m press"re 5$. The diFerence &etween the a&so'"te press"re and the atmospheric press"re is ca''ed the _____ press"re. A. Gage B. >orma' C. -tandard D. 6ac""m 53. )hich of the fo''owing is >
D. )ork #1. )hat is the -: "nit of energy/ A. >ewton B. Bt" C. Ca'orie D. Lo"'e #.
D. o'ar heat %9. )hat is the heat capacity of one gram of a s"&stance/ A. o'ec"'ar heat B. -peci!c heat C. *atent heat D. o'ar heat %1. “The entha'py change for any chemica' reaction is independent of the intermediate stages@ pro,ided the initia' and !na' conditions are the same for each ro"te.” This statement is known asN A. D"'ongKs *aw B. Da'tonKs *aw C. HessKs *aw D. etit *aw %. )hat refers to the meas"re of the disorder present in a gi,en s"&stance or system/ A. 8ntha'py B. 8ntropy C. Heat capacity D. o'ar heat %. 8ntropy is meas"red in ______. A. Lo"'eE+e',in B. Lo"'e7eterE+e',in C. eterE+e',in D. >ewtonE+e',in %$. )hat is the energy a&sor&ed d"ring chemica' reaction "nder constant ,o'"me conditions/ A. 8ntropy B. :on e;change C. 8ntha'py D. 8ntha'py of reaction %3. )hen water e;ists in the 'i2"id phase and is not a&o"t to ,apori?e@ it is considered as _____'i2"id. A. -at"rated B. Compressed or s"&coo'ed C. -"perheated D. nsat"rated %4. A 'i2"id that is a&o"t to ,apori?e is ca''ed ______ 'i2"id. A. -at"rated B. Compressed or s"&coo'ed C. -"perheated D. nsat"rated %5. A ,apor that is a&o"t to condense is ca''ed ______ ,apor. A. -at"rated B. Compressed or s"&coo'ed C. -"perheated D. nsat"rated
%#.
A ,apor that is not a&o"t to condense is ca''ed _____ ,apor. A. -at"rated B. Compressed or s"&coo'ed C. -"perheated D. nsat"rated %%. A s"&stance that has a !;ed chemica' composition is known as ______ s"&stance. A. onoatomic B. Heterogeneo"s C. Homogeneo"s D. "re 199. )hat refers to the temperat"re at which a p"re s"&stance changes phase at a gi,en press"re/ A. B. C. D.
82"i'i&ri"m temperat"re -at"ration temperat"re -"perheated temperat"re -"&coo'ed temperat"re 191. )hat refers to the press"re at which a p"re s"&stance changes phase at a gi,en temperat"re/ A. 82"i'i&ri"m press"re B. -at"ration press"re C. -"perheated press"re D. -"&coo'ed press"re 19. )hat is the amo"nt of heat needed to t"rn 1 kg of the s"&stance at its me'ting point from the so'id to 'i2"id state/ A. Heat of f"sion B. Heat of ,aporation C. Heat of condensation D. Heat of !ssion 19. )hat is the amo"nt of heat needed to t"rn 1kg of the s"&stance at its &oi'ing point from the 'i2"id to the gaseo"s state/ A. Heat of f"sion B. Heat of ,aporation C. Heat of condensation D. Heat of !ssion 19$. )hat refers to the amo"nt of energy a&sor&ed or re'eased d"ring a phase7change process/ A. o'ar heat B. *atent heat C. 6apori?ation heat D. Condensation heat 193. )hat is the 'atent heat of f"sion of water at 1 atm/ A. 1.1 kLEkg
B. .4 kLEkg C. .5 kLEkg D. 9.5 kLEkg 194. )hat is the 'atent heat of ,apori?ation of water at 1 atm/ A. 1$.# kLEkg B. 35.1 kLEkg C. 311.5 kLEkg D. $%.# kLEkg 195. )hat refers to the point at which the sat"rated 'i2"id and sat"rated ,apor states are the same or identica'/ A. Trip'e point B. :n=ection point C. a;im"m point D. Critica' point 19#. )hat is de!ned as the direct con,ersion of a s"&stance from the so'id to the ,apor state or ,ice ,ersa witho"t passing the 'i2"id state/ A. Condensation B. 6apori?ation C. -"&'imation D. Cryogenation 19%. The amo"nt of heat re2"ired to raise the temperat"re of 1kg of water thro"gh 1 OC is ca''ed ______. A. Ca'orie B. Lo"'e C. BT D. +i'oca'orie 119. The amo"nt of heat re2"ired to raise the temperat"re of 1 po"nd of water &y 1O0 is ca''ed ______. A. Ca'orie B. Lo"'e C. BT D. +i'oca'orie 111. 1 British therma' "nit PBTQ is e2"i,a'ent to how many o"'es/ A. 1914 B. 19$ C. 19 D. 193$ 11. The term “entha'py” comes from Greek “entha'pen” which means ______. A. )arm B. Hot C. Heat D. Co'd 11. The ratio of the mass of ,apor to the tota' mass of the mi;t"re is ca''ed ______. A. 6apor ratio
B. 6apor content C. 6apor inde; D. "a'ity 11$. The “e2"ation of state” refers to any e2"ation that re'ates the ______ of the s"&stance. A. ress"re and temperat"re B. ress"re@ temperat"re and speci!c weight C. Temperat"re and speci!c weight D. ress"re@ temperat"re and speci!c ,o'"me 113. :n the e2"ation , R (T@ the constant of proportiona'ity ( is known as ______. A. ni,ersa' gas constant B. Gas constant C. :dea' gas factor D. Gas inde; 114. The gas constant of a certain gas is the ratio ofN A. ni,ersa' gas constant to mo'ar mass B. ni,ersa' gas constant to atomic weight C. ni,ersa' gas constant to atomic n"m&er D. ni,ersa' gas constant to n"m&er of mo'es 115. )hat is the ,a'"e of the "ni,ersa' gas constant in kLEkmo' M +/ A. 19.5 B. 1.%#4 C. #.1$ D. 13$3 11#. The mass of one mo'e of a s"&stance in grams is known as ______. A. o'ar weight B. o'ar mass C. o'ar ,o'"me D. o'ar constant 11%. )hat is de!ned as the energy re2"ired to raise the temperat"re of a "nit mass of a s"&stance &y one degree/ A. *atent heat of f"sion B. o'ar heat C. -peci!c heat capacity D. -peci!c heat 19. The ______ of a s"&stance is the amo"nt of heat that m"st &e added or remo,ed from a "nit mass of the s"&stance to change its temperat"re &y one degree. A. *atent heat of f"sion B. o'ar heat C. -peci!c heat capacity D. -peci!c heat 11. )hat is the speci!c heat capacity of water in LEkg MOC/ A. $3#1
B. $1#3 C. $31# D. $#13 1. )hat is the -: "nit of speci!c heat capacity/ A. LEkg B. LEkgM O0 C. LEkgM OC D. LEOC 1. )hat is constant for a s"&stance that is considered “incompressi&'e”/ A. -peci!c ,o'"me of density B. ress"re C. Temperat"re D. A'' of the a&o,e 1$. :f there is no heat transferred d"ring the process@ it is ca''ed a ______ process. A. -tatic B. :so&aric C. o'ytropic D. Adia&atic 13. The term “adia&atic” comes from Greek “adia&atos” which means ______. A. >o heat B. >o transfer C. >ot to &e passed D. >o transformation 14. How is heat transferred/ A. By cond"ction B. By con,ection C. By radiation D. A'' of the a&o,e 15. )hat refers to the transfer of energy d"e to the emission of e'ectromagnetic wa,es or photons/ A. Cond"ction B. Con,ection C. (adiation D. 8'ectri!cation 1#. )hat refers to the transfer of energy &etween a so'id s"rface and the adacent ="id that is in motion/ A. Cond"ction B. Con,ection C. (adiation D. 8'ectri!cation 1%. )hat refers to the transfer of energy from the more energetic partic'es of a s"&stance to the adacent 'ess energetic ones as a res"'t of interaction &etween partic'es/
A. B. C. D.
Cond"ction Con,ection (adiation 8'ectri!cation 19. )hat states that the net mass transfer to or from a system d"ring a process is e2"a' to the net change in the tota' mass of the system d"ring that process/ A. Third 'aw of thermodynamics B. Conser,ation of energy princip'e C. -econd 'aw of thermodynamic D. Conser,ation of mass princip'e 11. )hich of the fo''owing statements is T(8 for an idea' gas@ &"t not for a rea' gas/ A. 6 R n(T B. An increase in temperat"re ca"ses an increase in the kinetic energy of the gas C. The tota' ,o'"me of mo'ec"'es on a gas is near'y the same as the ,o'"me of the gas as a who'e D. >o attracti,e forces e;ists &etween the mo'ec"'e of a gas 1. How does an adia&atic process compare to an isentropic process/ A. Adia&atic heat transfer is not e2"a' to ?eroS isentropic heat transfer is ?ero B. Both heat transfer R 9S isentropicN re,ersi&'e C. Adia&atic heat transfer R 9S isentropicN heat transfer is not e2"a' to ?ero D. Both heat transfer is not e2"a' to ?eroS isentropicN irre,ersi&'e 1. )hich of the fo''owing is the :dea' gas 'aw Pe2"ationQ/ A. 6ET R + B. 6R kP1EQ C. 1ET1 R ET D. 6 R n(T 1$. )hat is a meas"re of the a&i'ity of a materia' to cond"ct heat/ A. -peci!c heat capacity B. CoeIcient of therma' e;pansion C. CoeIcient of therma' cond"cti,ity D. Therma' cond"cti,ity 13. )hat refers to the heating of the earthKs atmosphere not ca"sed &y direct s"n'ight &"t &y infrared 'ight radiated &y the s"rface and a&sor&ed main'y &y atmospheric car&on dio;ide/ A. Greenho"se eFect B. G'o&a' warming C. Therma' rise eFect D.
14. )hat is a form of mechanica' work which is re'ated with the e;pansion and compression of s"&stances/ A. Bo"ndary work B. Thermodynamic work C. hase work D. -ystem work 15. Therma' radiation is an e'ectromagnetic radiation with wa,e'engths in _____ range. A. 1 to 199 Um B. 9.1 to 199 Um C. 9.1 to 19 Um D. 19 to 199 Um 1#. )hat refers to the rate of therma' radiation emitter per "nit area of a &ody/ A. Therma' cond"cti,ity B. A&sorpti,ity C. 8missi,ity D. 8missi,e power 1%. )hat states that for any two &odies in therma' e2"i'i&ri"m@ the ratios of emissi,e power to the a&sorpti,ity are e2"a'/ A. +irchhoFKs radiation 'aw B. >ewtonKs 'aw of coo'ing C. -tefan7Bo't?mann 'aw D. HessKs 'aw 1$9. )hat is considered as a perfect a&sor&er as we'' as a perfect emitter/ A. Gray &ody B. B'ack &ody C. (ea' &ody D. )hite &ody 1$1. )hat is a &ody that emits a constant emissi,ity regard'ess of the wa,e'ength/ A. Gray &ody B. B'ack &ody C. (ea' &ody D. )hite &ody 1$. At same temperat"res@ the radiation emitted &y a'' rea' s"rfaces is ______ the radiation emitted &y a &'ack &ody. A. *ess than B. Greater than C. 82"a' to D. 8ither 'ess than or greater than 1$. )hich is >
D. :t is 'ow with high'y po'ished meta's 1$$. )hat is the emissi,ity of a &'ack &ody/ A. 9 B. 1 C. 9.3 D. 9.3 1$3. )hat is the a&sorpti,ity of a &'ack &ody/ A. 9 B. 1 C. 9.3 D. 9.3 1$4. )hat is sometimes known as the “0o"rth7power 'aw”/ A. +irchhoFKs radiation 'aw B. >ewtonKs 'aw of coo'ing C. -tefan7Bo't?mann 'aw D. HessKs 'aw 1$5. )hat states that the net change in the tota' energy of the system d"ring a process is e2"a' to the diFerence &etween the tota' energy entering and the tota' energy 'ea,ing the system d"ring that process/ A. Third 'aw of thermodynamics B. Conser,ation of energy princip'e C. -econd 'aw of thermodynamics D. Conser,ation of mass princip'e 1$#. The e2"ation 8in V 8o"t R W8system is known as ______. A. 8nergy conser,ation B. 8nergy e2"ation C. 8nergy &a'ance D. 8nergy con,ersion e2"ation 1$%. )hat remains constant d"ring a steady7=ow process/ A. ass B. 8nergy content of the contro' ,o'"me C. Temperat"re D. ass and energy content of the contro' ,o'"me 139. Therma' eIciency is the ratio ofN A. >etwork inp"t to tota' heat inp"t B. >etwork o"tp"t to tota' heat o"tp"t C. >etwork o"tp"t to tota' heat inp"t D. >etwork inp"t to tota' heat o"tp"t 131. 131. )hat 'aw states that it is impossi&'e to operate an engine operating in a cyc'e that wi'' ha,e no other eFect than to e;tract heat from a reser,oir and t"rn it into an e2"i,a'ent amo"nt of work/
A. B. C. D.
eroth 'aw of thermodynamics 0irst 'aw of thermodynamics -econd 'aw of thermodynamics Third 'aw of thermodynamics 13. )hich statement of the second 'aw of thermodynamics states that no heat engine can ha,e a therma' eIciency of 199 percent/ A. +e',in7'anck statement B. C'a"si"s statement C. +e,in statement D. (ankine statement 13. )hat is the ratio of the "sef"' heat e;tracted to heating ,a'"e/ A. Com&"stion eIciency B. hase eIciency C. Heat eIciency D. )ork eIciency 13$. )hat is de!ned as the ratio of the net e'ectrica' power o"tp"t to the rate of f"e' energy inp"t/ A. Com&"stion eIciency B. Therma' eIciency C. <,era'' eIciency D. 0"rnace eIciency 133. )hat refers to the amo"nt of heat remo,ed from the coo'ed space in BT-Ks for 1 watt7ho"r of e'ectricity cons"med/ A. Cost eIciency rating B. 8nergy eIciency rating C. CoeIcient of performance D. Cost of performance 134. )hat 'aw states that it is impossi&'e to &"i'd a de,ice that operates in a cyc'e and prod"ces no eFect other than the transfer of heat from a 'ower7temperat"re &ody to a higher7temperat"re &ody/ A. eroth 'aw of thermodynamics B. 0irst 'aw of thermodynamics C. -econd 'aw of thermodynamics D. Third 'aw of thermodynamics 135. )hat statement of the second 'aw of thermodynamics states that it is impossi&'e to &"i'd a de,ice that operates in a cyc'e and prod"ces no eFect other than the transfer of heat from a 'ower7temperat"re &ody to a higher7temperat"re &ody/ A. +e',in7'anck statement B. C'a"si"s statement C. +e',in statement D. (ankine statement 13#. A de,ice that ,io'ates either the !rst 'aw of thermodynamics or the second 'aw of thermodynamics is known as _____. A. Am&ig"o"s machine B. ni,ersa' machine
C. erpet"a'7motion machine D. ni2"e machine 13%. A de,ice that ,io'ates the !rst 'aw of thermodynamics is ca''ed a _____. A. erpet"a'7motion machine of the !rst kind B. ni,ersa' machine of the !rst kind C. Am&ig"o"s machine of the !rst kind D. ni2"e machine of the !rst kind 149. A de,ice that ,io'ates the second 'aw of thermodynamics is ca''ed a ______. A. erpet"a' motion machine of the second kind B. ni,ersa' machine of the second kind C. Am&ig"o"s machine of the second kind D. ni2"e machine of the second kind 141. Carnot cyc'e is the &est known re,ersi&'e cyc'e which was !rst proposed in what year/ A. 1#$ B. 1#$ C. 1# D. 1#$ 14. )ho proposed the Carnot cyc'e/ A. -ammy Carnot B. -onny Carnot C. -adi Carnot D. -"ri Carnot 14. The Carnot cyc'e is composed of how many re,ersi&'e processes/ A. B. C. $ D. 3 14$. The Carnot cyc'e is composed of ______ processes. A.
D. Best heat engine 145. )hat states that therma' eIciencies of a'' re,ersi&'e heat engines operating &etween the same two reser,oirs are the same and that no heat engine is more eIcient than a re,ersi&'e one operating &etween the same two reser,oirs/ A. 8ricson princip'e B. Carnot princip'e C.
15$. “The entropy change of a system d"ring a process is e2"a' to the net entropy transfer thro"gh the system &o"ndary and the entropy generated within the system”. This statement is known asN A. 8ntropy generation B. 8ntropy change of a system C. 8ntropy &a'ance re'ation D. Third 'aw of thermodynamics 153. )hat 'aw states that entropy can &e created &"t it cannot &e destroyed/ A. eroth 'aw of thermodynamics B. 0irst 'aw of thermodynamics C. -econd 'aw of thermodynamics D. Third 'aw of thermodynamics 154. 8ntropy is transferred &y ______. A. )ork B. Heat C. 8nergy D. )ork and heat 155. D"ring adia&atic@ interna''y re,ersi&'e process@ what is tr"e a&o"t the change in entropy/ A. :t is temperat"re7dependent B. :t is a'ways greater than ?ero C. :t is a'ways ?ero D. :t is a'ways 'ess than ?ero 15#. )ater &oi's whenN A. :ts sat"rated ,apor press"re e2"a's to the atmospheric press"re B. :ts ,apor press"re e2"a's 54cm of merc"ry C. :ts temperat"re reaches 1 degree Ce'si"s D. :ts ,apor press"re is 1 gram per s2. cm 15%. )hich of the fo''owing is standard temperat"re and press"re P-TQ/ A. 9 degree Ce'si"s and one atmosphere B. degree 0ahrenheit and ?ero press"re C. 9 degree +e',in and one atmosphere D. 9 degree 0ahrenheit and ?ero press"re 1#9. )hat is the ,a'"e of the work done for a c'osed@ re,ersi&'e isometric system/ A. ero B. ositi,e C. >egati,e D. ositi,e or negati,e 1#1. “At constant press"re@ the ,o'"me of a gas is in,erse'y proportiona' to the press"re”. This is known as ______. A. Boy'eKs *aw B. Char'esKs *aw C. Gay7*"ssac *aw
D. :dea' gas 'aw 1#. )hich of the fo''owing is the mathematica' representation of the Char'esKs 'aw/ A. 61E6R E1 B. 61ET1R6ET C. 61ETR6ET1 D. 61E6RXEX1 1#. )hich of the fo''owing is the form"'a for therma' resistance/ A. Thickness of materia'E therma' cond"cti,ity of materia' B. Pthickness of materia'QEtherma' cond"cti,ity of materia' C. Thickness of materia'E Ptherma' cond"cti,ity of materia'Q D. Thickness of materia' ; therma' cond"cti,ity of materia' 1#$. :n the process of radiation@ energy is carried &y e'ectromagnetic wa,es. )hat is the speed of e'ectromagnetic wa,es/ A. 1#@999 mi'esEsecond B. 1#$@999 mi'esEsecond C. 1#4@999 mi'esEsecond D. 1##@999 mi'esEsecond 1#3. 0or heat engine operating &etween two temperat"res PT1YTQ@ what is the ma;im"m eIciency attaina&'e/ A. 8F R 1 V PTET1Q B. 8F R 1 7 PT1ETQ C. 8F R T1 7 T D. 8F R 1 7 PTET1QJ 1#4. )hich one is the correct re'ation &etween energy eIciency ratio P88(Q and coeIcient of performance PC<Q/ A. 88( R .$ C< B. 88( R .$ C< C. 88( R .$ C< D. 88( R $. C< 1#5. The coeIcient of performance PC<Q is the ratio &etween theN A. ower cons"mption in watts and heat a&sor&ed per ho"r B. Heat a&sor&ed per ho"r and the power cons"mption in watts C. )ork re2"ired and the a&sor&ed heat D. A&sor&ed heat and work re2"ired 1##. )hat predicts the appro;imate mo'ar speci!c heat at high temperat"res from the atomic weight/ A. Third 'aw of thermodynamics B. *aw of D"'ong and etit C. o''ier diagram D. ress"re7entha'py diagram 1#%. Considering one mo'e of any gas@ the e2"ation of state of idea' gases is simp'y the ______ 'aw. A. Gay7*"ssac 'aw B. D"'ong and etit C. A,ogadroKs
D. HenryKs 1%9. An idea' gas whose speci!c heats are constant is ca''ed _____. A. erfect gas B. >at"ra' gas C. Arti!cia' gas D. (e!ned gas 1%1. )hat are the ass"mptions of the kinetic gas theory/ A. Gas mo'ec"'es do not attract each other B. The ,o'"me of the gas mo'ec"'es is neg'igi&'e compared to the ,o'"me of the gas C. The mo'ec"'es &eha,e 'ike hard spheres D. A'' of the a&o,e 1%. “The tota' ,o'"me of a mi;t"re of non7reacting gases is e2"a' to the s"m of the partia' ,o'"mes.” This statement is known as ______. A. *aw of D"'ong and etit B. a;we''7Bo't?mann 'aw C. AmagatKs 'aw D. A,ogadroKs 'aw 1%. An adia&atic process in which there is no change in system entha'py &"t for which there is a signi!cant decrease in press"re is ca''ed _____. A. :sochoric process B. :so&aric process C. Thrott'ing process D. "asistatic process 1%$. )hat is de!ned as the ratio of the change in temperat"re to the change in press"re when a rea' gas is thrott'ed/ A. (ankine coeIcient B. +e',in coeIcient C. a;we''7Bo't?mann coeIcient D. Lo"'e7Thomson coeIcient 1%3. The 'ow temperat"re reser,oir of the heat reser,oirs is known as ______. A. -o"rce reser,oir B. Hee' reser,oir C. Toe reser,oir D. -ink reser,oir 1%4. A ______ is a =ow in which the gas =ow is adia&atic and friction'ess and entropy change is ?ero. A. :sentropic =ow B. :so&aric =ow C. -teady =ow D. niform =ow 1%5. )hat refers to the minim"m temperat"re at which com&"stion can &e s"stained/ A. B"rn temperat"re
B. +ind'e temperat"re C. -park temperat"re D. :gnition temperat"re 1%#. )hat 'aw predicts the dew point of moist"re in the f"e' gas/ A. Da'tonKs 'aw B. *aw of D"'ong and etit C. (inge'man 'aw D. AmagatKs 'aw 1%%. )hat 'aw states that one energy from can &e con,erted witho"t 'oss into another form/ A. AmagatKs 'aw B. Lo"'eKs 'aw C. *"ssacKs 'aw D. HenryKs 'aw 99. )hich is >
c. 'atent heat d. "sef"' heat 93. The change in physica' si?e of a s"&stance when its temperat"re changes. a. intensi,e property &. e;tensi,e property c. ,o'"me e;pansion d. therma' e;pansion 94. A stress which de,e'ops within an o&ect when it attempts to e;pand or contract in response to a temperat"re changes@ &"t cannot@ d"e to &eing he'd rigid'y in p'ace. a. e'ongation &. therma' stress c. e;pansion contraction d. therma' e;pansion 95. The energy associated with indi,id"a' mo'ec"'es in a gas@ 'i2"id or so'id. a. -peci!c 8nergy &. o'ec"'ar 8nergy c. :nterna' 8nergy d. hase 8nergy 9#. The heat per "nit mass per degree change in temperat"re that m"st &e s"pp'ied or remo,ed to change the temperat"re of a s"&stance. a. -peci!c Heat Capacity &. *atent Heat c. Heat of Transformation d. :nterna' Heat 9%. The press"re of the ,apor phase of a s"&stance that is in e2"i'i&ri"m with the 'i2"id or so'id phase. a. hase ress"re &. 82"i'i&ri"m 6apor ress"re c. -peci!c ress"re d. 82"i'i&ri"m hase ress"re 19. 6apor press"re depends on'y on _________. a. press"re &. force c. ,o'"me d. temperat"re 11. A p'ot of press"re ,s. temperat"re for a gi,en s"&stance showing the ,ario"s phases possi&'e for that partic"'ar s"&stance. a. hase diagram &. 7T diagram c. )ein Diagram d. Histogram 1. _________ is the grand tota' of a'' energies inside a s"&stance.
a. :nterna' 8nergy &. Grand 8nergy c. Atomic 8nergy d. 8'ementa' 8nergy 1. The _________ is de!ned as the amo"nt of heat re2"ired to change the temperat"re of 1 gram of water &y 1 Ce'si"s degree. a. speci!c heat &. 'atent heat c. Lo"'e d. ca'orie 1$. _________ is a meas"re of the a,erage kinetic energy per mo'ec"'e in a s"&stance. a. mo,ement &. temperat"re c. heat d. mass 13. _________ the ,ery sma'' +8 sti'' present in mo'ec"'es at a&so'"te ?ero temperat"re. a. interna' +8 &. Atomic kinetic energy c. ero7oint 8nergy d. -"&'imina' 8nergy 14. Con,ert the change of temperat"re from 9ZC to 9ZC to +e',in sca'e. a. 19 + &. % + c. 9 + d. 5 + 15. _________ is a thermodynamic potentia' which meas"res the “"sef"'” work o&taina&'e from a c'osed thermodynamic system at a constant temperat"re and ,o'"me. a. "sef"' work &. energy cons"med c. He'mho't? free energy d. +inetic 8nergy 1#. How m"ch wi'' the 'ength of a 1.9 km section of concrete highway change if the temperat"re ,aries from 713ZC in winter to $1ZC in s"mmer/ a. 9.45 m &. . m c. .1 m d. 9.$5 m 1%. Two 1 ft. sections of a'"min"m siding are p'aced end to end on the o"tside wa'' of ho"se. How 'arge a gap sho"'d &e 'eft &etween the pieces to pre,ent &"ck'ing if the temperat"re can change &y 33ZC/ a. 9.1 m
&. 9.1# m c. 9.1 in d. 9.1# in 9. )hat is the amo"nt of radiant energy recei,ed each second o,er each s2"are meter that is at right ang'es to the s"nKs rays at the top of the atmosphere/ a. 1$99 L &. 4999 L c. 19999 L d. #99 L 1. _________ is a thermodynamic potentia' that meas"res the “"sef"'” or process7initiating work o&taina&'e from an isotherma'@ iso&aric thermodynamic system. a. D"7ont otentia' &. Gi&&s free energy c. (a&?78cc'es 8nergy d. C'a"ssi"s 8nergy . A'' the energy we cons"me "'timate'y &ecomes _________. a. heat &. dep'eted c. e;ha"sted d. work . _________is the partia' press"re of water ,apor at the e;isting temperat"re di,ided &y the e2"i'i&ri"m ,apor press"re of water at the e;isting temperat"re. a. ,ac""m press"re &. re'ati,e h"midity c. a&so'"te press"re d. ,apor press"re $. _________ is the transition of a gi,en s"&stance from the so'id to the gas phase with no intermediate 'i2"id stage. a. Con,ection &. Cond"ction c. (adiation d. -"&'imation 3. A process in which heat energy is transferred &y the =ow of ="id. a. Con,ection &. Cond"ction c. (adiation d. -"&'imation 4. :n order to "se a s"&stance to make a thermometer the s"&stance m"st _________ with a temperat"re change. a. e;pand &. contract c. change d. increase
5. 0or most so'ids@ the coeIcient of ,o'"me e;pansion is _________ the coeIcient of 'inear e;pansion. a. "nre'ated to &. proportiona' to c. twice d. three times #. The ,o'"me of a gi,en amo"nt of water _________ as the temperat"re decreases from $ZC to 9ZC. a. decreases &. increases c. remains constant d. none of the a&o,e %. The gas in a constant gas thermometer coo'ed to a&so'"te ?ero wo"'d ha,e _________. a. no ,o'"me &. no press"re c. ?ero temperat"re at a'' sca'es d. none of the a&o,e 9.
3. The distri&"tion of partic'e speeds in an idea' gas at a gi,en temperat"re. a. ,e'ocity of propagation &. escape ,e'ocity c. a;we'' speed Distri&"tion d. termina' ,e'ocity 4. A con,ection process in which an e;terna' de,ice@ s"ch as a fan@ is "sed to prod"ce the ="id =ow. a. 0orced Con,ection &. 8;terna' Con,ection c. 'acid Con,ection d. Thermionic Con,ection 5. A _________ is a 2"antity whose ,a'"e at any state is independent of the path or process "sed to reach that state. a. cyc'e &. path f"nction c. point f"nction d. process #. A _________ is a 2"antity whose ,a'"e depends on the path fo''owed d"ring a partic"'ar change in state. a. path f"nction &. point f"nction c. process d. cyc'e %. The contact s"rface shared &y &oth the system and the s"rro"ndings is ca''ed _________. a. wa'' &. &o"ndary c. interface d. intersection $9. A c'osed system is a'so known as _________. a. iso'ated system &. c'osed container c. contro' mass d. contro' ,o'"me $1.
$.
)hen a so'id me'ts@ a. the temperat"re of the s"&stance increases. &. the temperat"re of the s"&stance decreases. c. heat 'ea,es the s"&stance. d. heat enters the s"&stance. $$. How many ki'oca'ories of heat are re2"ired to heat 539 g of water from 3ZC to 33ZC. a. 13 &. 1399 c. 1.3 ; 19J$ d. 4. ; 19J$ $3. )hich of the fo''owing does not determine the amo"nt of interna' energy an o&ect has/ a. temperat"re &. amo"nt of materia' c. type of materia' d. shape of the o&ect $4. )hich of the fo''owing ha,e the highest therma' cond"cti,ities/ a. 'i2"ids &. gases c. meta's d. so'ids other than meta's $5. :dentica' o&ects of fo"r diFerent materia's are heated to the same high temperat"re. )hich of the fo''owing wo"'d 'east 'ike'y &"rn yo"r hand if to"ched/ a. a'"mini"m &. &rass c. g'ass d. concrete $#. As we heat a gas at constant press"re@ its ,o'"me a. increases &. decreases c. stays the same d. none of the a&o,e $%. The ,o'"me of an idea' gas is direct'y proportiona' to its a. press"re &. Ce'si"s temperat"re c. +e',in temperat"re d. 0ahrenheit temperat"re 39. An idea' gas is maintained at constant temperat"re. :f the press"re on the gas is do"&'ed@ the ,o'"me is a. increased fo"rfo'd &. do"&'ed c. red"ced &y ha'f d. decreased &y a 2"arter