InstructorzManual:zAutomotivezEngineszDiagnosis,zRepair,zandzRebuildingz9thzEditionzTimzGilles,zTimzLeVan
Solution Manual For z z
AutomotivezEngineszDiagnosis,zRepair,zandzRebuildingz9thzEditionzTimzGilles,zTimzLeVan
Chapterz1-19
Chapterz1:zEnginezOperation
TABLE OF CONTENTSZ Z
PurposezandzPerspectivezofzthezChapter .................................................................................................... 2
ChapterzObjectives ...................................................................................................................................... 2
CompletezListzofzChapterzActivitieszandzAssessments............................................................................... 2
KeyzTerms .................................................................................................................................................... 3
What’szNewzinzThiszChapter....................................................................................................................... 3
ChapterzOutline ........................................................................................................................................... 3
LessonzHints ................................................................................................................................................. 5
ReadingzAssignment .................................................................................................................................... 5
WrittenzAssignments ................................................................................................................................... 5
Chapterz1zAnswerszTozStudyzQuestions ...................................................................................................... 5
Chapterz1zAnswerszTozASE-StylezReviewzQuestions .................................................................................... 6
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 1
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
PURPOSE AND PERSPECTIVE OF THE CHAPTER
Z Z Z Z Z
Thezpurposezofzthiszchapterzisztozintroducezstudentsztozthezbasiczconstructionzandzoperationzofzanzinternalzco
mbustionzengine.zItzdescribeszthezmanyzenginezcomponentszandzhowztozidentifyzthezvariouszpieces.zAlsozexp
lainedzarezthezdifferentzenginezclassificationszalongzwithzthezdifferentzsystemszandzhowztheyzworkztogetherzt
ozkeepzthezenginezoperatingzeffectively.
CHAPTER OBJECTIVES Z
Uponzcompletionzofzthiszchapter,zthezstudentzshouldzbezablezto:
• Explainzthezprincipleszofzinternalzcombustionzenginezoperation.
• Identifyzinternalzcombustionzenginezpartszbyzname.
• Explainzvariouszenginezclassificationszandzsystems.
COMPLETE LIST OF CHAPTER ACTIVITIES AND ASSESSMENTS
Z Z Z Z Z Z
Forzadditionalzguidance,zreferztozthezTeachingzOnlinezGuide.
Chapter Activity/Assessment Sourcez(i.e.,zPPT Duration
Objective slide,zWorkbook)
Explainzthezprinc Icebreaker PPTzslidez2 10–15zmins
ipleszofzinternalzc
ombustionzengin
ezoperation.
Identifyzinternal Activity PPTzslidez27 10–20zminutes
zcombustionzeng
inezpartszbyznam
e.
Explainzvarious Self-Assessment PPTzslidez29 5–10zminutes
zenginezclassific
ationszand
systems.
[returnztoztop]
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 2
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
KEY TERMS Z
BDC:zBottomzDeadzCenter,zreferringztozthezlocationzofzthezpistonzatzthezbottomzofzthezstroke
bimetalzengine:z Engineszcomposedzofzcastzironzblockzandzaluminumzheads
blowby:z Gasseszthatzescapezpastzpistonzrings
companionzcylinders:z termzgivenztozpairszofzcylinderszfoundzinzengineszwithzevenznumberzofzcylinders
compressionzratio:z thezratiozatzwhichzthezairzfuelzgaszmixtureziszcompressedzdisp
lacement:zrefersztozthezvolumezthatzthezpistonzdisplaceszinzthezcylinderzfiringzor
der:zThezsequencezinzwhichzthezsparkzplugszfirezinzeachzcylinder
lowerzend:z Refersztozthezlocationzatzthezbottomzofzthezblockzwherezthezcrankshaftzandzbearingszarezlocate
d
TDC:zTopzDeadzCenter,zreferringztozthezlocationzofzthezpistonzatztheztopzofzthezstroke
transversezengine:z termzgivenztozthezengineszinzfrontzwheelzdrivezvehicles
[returnztoztop]
WHAT’S NEW IN THIS CHAPTER
Z Z Z Z
[Informationztozbezaddedzlaterzbyzauthor]
The following elements are improvements in this chapter from the previous edition:
z z z z z z z z z z z
[returnztoztop]
CHAPTER OUTLINE Z
• Inzazsimplezone-cylinderzengine,zthezreciprocatingz(up-and-
down)zmotionzofzthezpistonziszchangedztozusablezrotaryzmotionzbyzthezconnectingzrodzandzcrankshaft
.zAzflywheelzgiveszmomentumztozthezcrankshaftzbetweenzpowerzstrokes.zValveszcontrolzthezengine’
szintakezandzexhaust.z(PPTzSlidez4)
• Duringzonezfour-
strokezcycle,zthezintake,zcompression,zpower,zandzexhaustzstrokeszarezcompleted.zThiszactionztakesz
720°,zorztwozcrankshaftzrevolutions.z(PPTzSlidez5)
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 3
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
• Thezcompressionzratioziszhowzthezenginezmakeszthezmostzefficientzusezofzthezcombustionzeventzinze
achzcylinder.z Thezhigherzthezcompressionzratiozthezmorezpotentialzoutputzazcylinderzhas.z(PPTzSlid
ez6)
• Cylinderszarezarrangedzin-line,zinzazV-
type,zorzopposedztozeachzother.zThezmostzpopularzautomotivezengineszhavezfour,zsix,zorze
ightzcylinders.z(PPTzSlidez7)
• Thezcamshaftzcontrolszthezopeningzandzclosingzofzthezvalveszand,zthus,zthezwayzthatzthezenginezb
reathes.zDifferentzcamzgrindszprovidezbetterzlow-speedzorzbetterzhigh-
speedzoperation.z(PPTzSlidesz8,z9)
• Thezcamshaftziszdrivenzbyzazchain,zazbelt,zorzgears.z(PPTzSlidez8)
• Camshaftszarezdrivenzbyzaztimingzchainzorzaztimingzbelt.z(PPTzSlidesz8,z9)
• Cylinderzrows,zcalledzbanks,zarezdeterminedzfromzthezflywheelzendzofzthezengine.zAzcompleteze
nginezassemblyzincludingzthezheadsziszcalledzazlongzblock;zwithoutzheadszitziszcalledzazshortzblo
ck.z(PPTzSlidez12,z13)
• Thezcrankcasezhouseszthezcrankshaftzandzbearings.zItziszenclosedzbyzthezoilzpan.zThezcrankshaftzh
aszazflywheelzonzonezendzandzazvibrationzdamperzorzpulleyzonzthezotherzend.zThezpartzthatzthezbea
ringzrideszagainstziszcalledzthezmainzorzrodzbearingzjournal.zCrankpinszonzfourzcylinderszarezoffse
tzfromzeachzotherzbyz180°,zin-linezsixzcylinderszbyz120°,zandzV8szbyz90°.z(PPTzSlidesz14)
• Enginezsizeszarezdescribedzbyztheirzcylinderzdisplacement,zusuallyzinzliters.zEnginezbreathingzd
etermineszthezpowerzthatzthezenginezdevelops.z(PPTzSlidez15)
• Thezlocationzofzthezcamshaftzdependszonzthezenginezdesignzandztheztypezofzvehiclezthezengineziszb
eingzputzin.z Cam-
InzBlockzengineszhavezthezcamshaftzinzthezcylinderzblock.z Overheadzcamzengineszhavezthezcams
haftzinzthezcylinderzhead.z(PPTzSlidez17)
• Enginezcylinderszarezfiredzinzonezofzseveralzfiringzorders.z(PPTzSlidez21)
• Pairszofzpistonszthatzgozupzandzdownztogetherzbutzfirez360°fromzeachzotherzarezcalledzco
mpanions.z(PPTzSlidez19)
• Mostzengineszhavezliquidzcoolingzsystemszthatzusezcoolantztozpreventzrustzandzcorrosionzandzp
rovidezadditionalzprotectionzagainstzfreezingzandzboiling.z(PPTzSlidesz23–25)
• Sparkzignitionzengineszutilizezazsparkzplugztozstartzthezignitionzevent.z (PPTzSlidez26)
• Compressionzengineszutilizezheatzandzpressureztozstartzthezignitionzeventzinzthezcylinderz(PPTzS
lidez27)
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 4
yz accessiblezwebsite,zinzwholezorzinzpart.
Solution Manual For z z
AutomotivezEngineszDiagnosis,zRepair,zandzRebuildingz9thzEditionzTimzGilles,zTimzLeVan
Chapterz1-19
Chapterz1:zEnginezOperation
TABLE OF CONTENTSZ Z
PurposezandzPerspectivezofzthezChapter .................................................................................................... 2
ChapterzObjectives ...................................................................................................................................... 2
CompletezListzofzChapterzActivitieszandzAssessments............................................................................... 2
KeyzTerms .................................................................................................................................................... 3
What’szNewzinzThiszChapter....................................................................................................................... 3
ChapterzOutline ........................................................................................................................................... 3
LessonzHints ................................................................................................................................................. 5
ReadingzAssignment .................................................................................................................................... 5
WrittenzAssignments ................................................................................................................................... 5
Chapterz1zAnswerszTozStudyzQuestions ...................................................................................................... 5
Chapterz1zAnswerszTozASE-StylezReviewzQuestions .................................................................................... 6
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 1
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
PURPOSE AND PERSPECTIVE OF THE CHAPTER
Z Z Z Z Z
Thezpurposezofzthiszchapterzisztozintroducezstudentsztozthezbasiczconstructionzandzoperationzofzanzinternalzco
mbustionzengine.zItzdescribeszthezmanyzenginezcomponentszandzhowztozidentifyzthezvariouszpieces.zAlsozexp
lainedzarezthezdifferentzenginezclassificationszalongzwithzthezdifferentzsystemszandzhowztheyzworkztogetherzt
ozkeepzthezenginezoperatingzeffectively.
CHAPTER OBJECTIVES Z
Uponzcompletionzofzthiszchapter,zthezstudentzshouldzbezablezto:
• Explainzthezprincipleszofzinternalzcombustionzenginezoperation.
• Identifyzinternalzcombustionzenginezpartszbyzname.
• Explainzvariouszenginezclassificationszandzsystems.
COMPLETE LIST OF CHAPTER ACTIVITIES AND ASSESSMENTS
Z Z Z Z Z Z
Forzadditionalzguidance,zreferztozthezTeachingzOnlinezGuide.
Chapter Activity/Assessment Sourcez(i.e.,zPPT Duration
Objective slide,zWorkbook)
Explainzthezprinc Icebreaker PPTzslidez2 10–15zmins
ipleszofzinternalzc
ombustionzengin
ezoperation.
Identifyzinternal Activity PPTzslidez27 10–20zminutes
zcombustionzeng
inezpartszbyznam
e.
Explainzvarious Self-Assessment PPTzslidez29 5–10zminutes
zenginezclassific
ationszand
systems.
[returnztoztop]
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 2
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
KEY TERMS Z
BDC:zBottomzDeadzCenter,zreferringztozthezlocationzofzthezpistonzatzthezbottomzofzthezstroke
bimetalzengine:z Engineszcomposedzofzcastzironzblockzandzaluminumzheads
blowby:z Gasseszthatzescapezpastzpistonzrings
companionzcylinders:z termzgivenztozpairszofzcylinderszfoundzinzengineszwithzevenznumberzofzcylinders
compressionzratio:z thezratiozatzwhichzthezairzfuelzgaszmixtureziszcompressedzdisp
lacement:zrefersztozthezvolumezthatzthezpistonzdisplaceszinzthezcylinderzfiringzor
der:zThezsequencezinzwhichzthezsparkzplugszfirezinzeachzcylinder
lowerzend:z Refersztozthezlocationzatzthezbottomzofzthezblockzwherezthezcrankshaftzandzbearingszarezlocate
d
TDC:zTopzDeadzCenter,zreferringztozthezlocationzofzthezpistonzatztheztopzofzthezstroke
transversezengine:z termzgivenztozthezengineszinzfrontzwheelzdrivezvehicles
[returnztoztop]
WHAT’S NEW IN THIS CHAPTER
Z Z Z Z
[Informationztozbezaddedzlaterzbyzauthor]
The following elements are improvements in this chapter from the previous edition:
z z z z z z z z z z z
[returnztoztop]
CHAPTER OUTLINE Z
• Inzazsimplezone-cylinderzengine,zthezreciprocatingz(up-and-
down)zmotionzofzthezpistonziszchangedztozusablezrotaryzmotionzbyzthezconnectingzrodzandzcrankshaft
.zAzflywheelzgiveszmomentumztozthezcrankshaftzbetweenzpowerzstrokes.zValveszcontrolzthezengine’
szintakezandzexhaust.z(PPTzSlidez4)
• Duringzonezfour-
strokezcycle,zthezintake,zcompression,zpower,zandzexhaustzstrokeszarezcompleted.zThiszactionztakesz
720°,zorztwozcrankshaftzrevolutions.z(PPTzSlidez5)
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 3
yz accessiblezwebsite,zinzwholezorzinzpart.
, InstructorzManual:zChapterz1:zEnginezOperation
• Thezcompressionzratioziszhowzthezenginezmakeszthezmostzefficientzusezofzthezcombustionzeventzinze
achzcylinder.z Thezhigherzthezcompressionzratiozthezmorezpotentialzoutputzazcylinderzhas.z(PPTzSlid
ez6)
• Cylinderszarezarrangedzin-line,zinzazV-
type,zorzopposedztozeachzother.zThezmostzpopularzautomotivezengineszhavezfour,zsix,zorze
ightzcylinders.z(PPTzSlidez7)
• Thezcamshaftzcontrolszthezopeningzandzclosingzofzthezvalveszand,zthus,zthezwayzthatzthezenginezb
reathes.zDifferentzcamzgrindszprovidezbetterzlow-speedzorzbetterzhigh-
speedzoperation.z(PPTzSlidesz8,z9)
• Thezcamshaftziszdrivenzbyzazchain,zazbelt,zorzgears.z(PPTzSlidez8)
• Camshaftszarezdrivenzbyzaztimingzchainzorzaztimingzbelt.z(PPTzSlidesz8,z9)
• Cylinderzrows,zcalledzbanks,zarezdeterminedzfromzthezflywheelzendzofzthezengine.zAzcompleteze
nginezassemblyzincludingzthezheadsziszcalledzazlongzblock;zwithoutzheadszitziszcalledzazshortzblo
ck.z(PPTzSlidez12,z13)
• Thezcrankcasezhouseszthezcrankshaftzandzbearings.zItziszenclosedzbyzthezoilzpan.zThezcrankshaftzh
aszazflywheelzonzonezendzandzazvibrationzdamperzorzpulleyzonzthezotherzend.zThezpartzthatzthezbea
ringzrideszagainstziszcalledzthezmainzorzrodzbearingzjournal.zCrankpinszonzfourzcylinderszarezoffse
tzfromzeachzotherzbyz180°,zin-linezsixzcylinderszbyz120°,zandzV8szbyz90°.z(PPTzSlidesz14)
• Enginezsizeszarezdescribedzbyztheirzcylinderzdisplacement,zusuallyzinzliters.zEnginezbreathingzd
etermineszthezpowerzthatzthezenginezdevelops.z(PPTzSlidez15)
• Thezlocationzofzthezcamshaftzdependszonzthezenginezdesignzandztheztypezofzvehiclezthezengineziszb
eingzputzin.z Cam-
InzBlockzengineszhavezthezcamshaftzinzthezcylinderzblock.z Overheadzcamzengineszhavezthezcams
haftzinzthezcylinderzhead.z(PPTzSlidez17)
• Enginezcylinderszarezfiredzinzonezofzseveralzfiringzorders.z(PPTzSlidez21)
• Pairszofzpistonszthatzgozupzandzdownztogetherzbutzfirez360°fromzeachzotherzarezcalledzco
mpanions.z(PPTzSlidez19)
• Mostzengineszhavezliquidzcoolingzsystemszthatzusezcoolantztozpreventzrustzandzcorrosionzandzp
rovidezadditionalzprotectionzagainstzfreezingzandzboiling.z(PPTzSlidesz23–25)
• Sparkzignitionzengineszutilizezazsparkzplugztozstartzthezignitionzevent.z (PPTzSlidez26)
• Compressionzengineszutilizezheatzandzpressureztozstartzthezignitionzeventzinzthezcylinderz(PPTzS
lidez27)
©z2024zCengage.zAllzRightszReserved.zMayznotzbezscanned,zcopiedzorzduplicated,zorzpostedztozazpublicl 4
yz accessiblezwebsite,zinzwholezorzinzpart.
