Solution Manual For Thermodynamics An Engineering Approach 10th Edition by Cengel Chapter (1-18)

ACCESS3fTest3fBank3ffor3fThermodynamics3fEngineering3fApproach3f10th3fEdition3
fCengel
1-1




SOLUTIONS MANUAL 3f




Thermodynamics:3fAn3fEngineering3fApproach
10th3fEdition
Yunus3fA.3fÇengel,3fMichael3fA.3fBoles,3fMehmet3fKanoğlu
McGraw-Hill,3f2023




Chapter 1 INTRODUCTI 3f 3f


ON AND BASIC CONCEPTS
3f 3f 3f




PROPRIETARY3fAND3fCONFIDENTIAL
This3fManual3fis3fthe3fproprietary3fproperty3fof3fMcGraw3fHill3fLLC3fand3fprotected3fby3fcopyright3fand3fother3fstate3fand3
ffederal3flaws.3fBy3fopening3fand3fusing3fthis3fManual3fthe3fuser3fagrees3fto3fthe3ffollowing3frestrictions,3fand3fif3fthe3frecip
ient3fdoes3fnot3fagree3fto3fthese3frestrictions,3fthe3fManual3fshould3fbe3fpromptly3freturned3funopened3fto3fMcGraw3fHill3fL
LC:3fThis3fManual3fis3fbeing3fprovided3fonly3fto3fauthorized3fprofessors3fand3finstructors3ffor3fuse3fin3fpreparing3ffor3fthe3f
classes3fusing3fthe3faffiliated3ftextbook.3fNo3fother3fuse3for3fdistribution3fof3fthis3fManual3fis3fpermitted.3fThis3fManual3fma
y3fnot3fbe3fsold3fand3fmay3fnot3fbe3fdistributed3fto3for3fused3fby3fany3fstudent3for3fother3fthird3fparty.3fNo3fpart3fof3fthis3fMa
nual3fmay3fbe3freproduced,3fdisplayed3for3fdistributed3fin3fany3fform3for3fby3fany3fmeans,3felectronic3for3fotherwise,3fwitho
ut3fthe3fprior3fwritten3fpermission3fof3fMcGraw3fHill3fLLC.




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CYU - Check Your Understanding
3f 3f 3f 3f




CYU3f1-
1 ■ Check Your Understanding
CYU3f1-1.13fChoose3fthe3fwrong3fstatement3fabout3fthe3ffirst3flaw3fof3fthermodynamics.
(a) During3fan3finteraction,3fenergy3fcan3fchange3ffrom3fone3fform3fto3fanother.
(b) During3fan3finteraction,3fthe3ftotal3famount3fof3fenergy3fremains3fconstant.
(c) Energy3fcan3fbe3fdestroyed3fbut3fit3fcannot3fbe3fcreated.
(d) Energy3fis3fa3fthermodynamic3fproperty.
(e) A3fsystem3fwith3fmore3fenergy3finput3fthan3foutput3fwill3fgain3fenergy.

Answer:3f(c)3fEnergy3fcan3fbe3fdestroyed3fbut3fit3fcannot3fbe3fcreated.


CYU3f1-1.23fWhich3fstatement3fbest3fexpresses3fthe3fsecond3flaw3fof3fthermodynamics?
(a) The3ftemperature3fof3fa3fwell-sealed3froom3fincreases3fwhen3fa3ffan3fin3fthe3froom3fis3fturned3fon.
(b) A3fcup3fof3fcool3fcoffee3fin3fa3fwarm3froom3fnever3fgets3fhot3fby3fitself.
(c) Heat3fis3fgenerated3fwhen3fthere3fis3ffriction3fbetween3ftwo3fsurfaces.
(d) A3fhousehold3frefrigerator3fsupplies3fheat3fto3fthe3fkitchen3fwhen3foperating.
(e) A3fperson3fwho3fhas3fa3fsmaller3fenergy3finput3fthan3foutput3fwill3flose3fweight.

Answer:3f(b)3fA3fcup3fof3fcool3fcoffee3fin3fa3fwarm3froom3fnever3fgets3fhot3fby3fitself.




CYU3f1-
2 Check Your Understanding
CYU3f1-2.13fWhich3fof3fthe3ffollowing3fis3fnot3fa3fcorrect3funit3ffor3fwork?
(a) kg3f·3f𝑚/𝑠2
(b) Nm
(c) kPa3f·3f𝑚3
(d) kJ
(e) kWh

Answer:3f(a)3fkg3f·3f𝑚/𝑠2


CYU3f1-2.23fUsing3funit3fconsiderations,3fselect3fthe3fcorrect3fequations.
I. Mass3f=3fForce3f3fAcceleration
II. Work3f=3fForce3f3fDistance
III. Work3f=3fPower3f3fTime
IV. Density3f=3fMass3f3fVolume
(a) I3fand3fII
(b) I3fand3fIII
(c) II3fand3fIII
(d) I,3fII,3fand3fIII
(e) II,3fIII,3fand3fIV

Answer:3f(c)3fII3fand3fIII

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CYU3f1-2.33fWhat3fis3fthe3fweight3fof3f103fkg?
(a) 103fN
(b) 103flbf
(c) 9.83fN
(d) 983fN
(e) 3223flbf

Answer:3f(d)3f983fN


𝑊3 f =3 f mg3 f =3 f (103f kg)(9.83f 𝑚/𝑠2)3 f =3 f 983f kg3f·3f𝑚/𝑠23 f =3 f 983f 𝑁
since3f13f𝑁3 f =3f 13fkg3f·3f𝑚/𝑠2




CYU3f1-
3 Check Your Understanding
CYU3f1-3.13fChoose3fthe3fwrong3fstatement3fregarding3fsystems3fand3fcontrol3fvolumes.
(a) The3fmass3for3fregion3foutside3fthe3fsystem3fis3fcalled3fthe3fsurroundings.
(b) The3freal3for3fimaginary3fsurface3fthat3fseparates3fthe3fsystem3ffrom3fits3fsurroundings3fis3fcalled3fth
e3fboundary.
(c) The3fboundary3fhas3fzero3fthickness.
(d) The3fboundary3fcan3fneither3fcontain3fany3fmass3fnor3foccupy3fany3fvolume3fin3fspace.
(e) The3fboundary3fof3fa3fsystem3fis3ffixed;3fit3fcannot3fmove.

Answer: (e) The boundary of a system is fixed; it cannot move.

CYU3f1-
3.23fChoose3fthe3fwrong3fstatement3fregarding3fsystems3fand3fcontrol3fvolumes.
(a) Both3fmass3fand3fenergy3fcan3fcross3fthe3fboundary3fof3fa3fcontrol3fvolume.
(b) Mass3fcannot3fenter3for3fleave3fa3fclosed3fsystem3fbut3fenergy3fcan.
(c) Mass3fcan3fenter3for3fleave3fan3fisolated3fsystem3fbut3fenergy3fcannot.
(d) The3fboundaries3fof3fa3fcontrol3fvolume3fcan3fbe3freal3for3fimaginary.
(e) The3fvolume3fof3fa3fclosed3fsystem3fdoes3fnot3fhave3fto3fbe3ffixed.

Answer: (c) Mass can enter or leave an isolated system but energy cann



CYU3f1-
4 Check Your Understanding
CYU3f1-4.13fWhich3fproperties3fare3fintensive?
I. Volume,3f𝑚3
II. Density,3fkg/𝑚3
III. Temperature,3fC
IV. Pressure,3fkPa
(a) II3fand3fIII
(b) III3fand3fIV
(c) I,3fII3fand3fIII
(d) II,3fIII,3fand3fIV
(e) I,3fII,3fIII,3fand3fIV

Answer:3f(d)3fII,3fIII,3fand3fIV




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