Instructor Manual: Automotive Engines Diagnosis, Repair, and Rebuilding 9th Edition Tim Gilles, Tim LeVan
Solution Manual For
Automotive Engines Diagnosis, Repair, and Rebuilding 9th Edition Tim Gilles, Tim LeVan
Chapter 1-19
Chapter 1: Engine Operation
TABLE OF CONTENTS
Purpose and Perspective of̣ the Chapter ...................................................................................................
2 Chapter
Objectives ..................................................................................................................................... 2
Complete List of̣ Chapter Activities and Assessments.............................................................................
2 Key Terms....................................................................................................................................................
3 What’s New in This
Chapter ..................................................................................................................... 3 Chapter
Outline .......................................................................................................................................... 3 Lesson
Hints ................................................................................................................................................ 5
Reading Assignment ...................................................................................................................................
5 Written
Assignments .................................................................................................................................. 5
Chapter 1 Answers To Study Questions ....................................................................................................
5 Chapter 1 Answers To ASE-Style Review
Questions ................................................................................... 6
,© 2024 Cengage. All Rights Reserved. 1
May not be scanned, copied or duplicated,
, Instructor Manual: Chapter 1: Engine Operation
PURPOSE AND PERSPECTIVE OF THE CHAPTER
The purpose of̣ this chapter is to introduce students to the basic construction and operation of̣ an internal
combustion engine. It describes the many engine components and how to identif̣y the various pieces. Also
explained are the dif̣f̣erent engine classif̣ications along with the dif̣f̣erent systems and how they work
together to keep the engine operating ef̣f̣ectively.
CHAPTER OBJECTIVES
Upon completion of̣ this chapter, the student should be able to:
Explain the principles of̣ internal combustion engine operation.
Identif̣y internal combustion engine parts by name.
Explain various engine classif̣ications and systems.
COMPLETE LIST OF CHAPTER ACTIVITIES AND ASSESSMENTS
For additional guidance, ref̣er to the Teaching Online Guide.
Chapter Activity/Assessment Source (i.e., PPT Duration
Objective slide, Workbook)
Explain the Icebreaker PPT slide 2 10–15 mins
principles of̣
internal
combustion
engine operation.
Identif̣y internal Activity PPT slide 27 10–20 minutes
combustion
engine parts by name.
Explain various engine Self̣-Assessment PPT slide 29 5–10 minutes
classif̣ications and
systems.
[return to top]
© 2024 Cengage. All Rights Reserved. 2
May not be scanned, copied or duplicated,
, Instructor Manual: Chapter 1: Engine Operation
KEY TERMS
BDC: Bottom Dead Center, ref̣erring to the location of̣ the piston at the bottom of̣ the stroke
bimetal engine: Engines composed of̣ cast iron block and aluminum heads
blowby: Gasses that escape past piston rings
companion cylinders: term given to pairs of̣ cylinders f̣ound in engines with even number of̣ cylinders
compression ratio: the ratio at which the air f̣uel gas mixture is compressed
displacement: ref̣ers to the volume that the piston displaces in the cylinder
f̣iring order: The sequence in which the spark plugs f̣ire in each cylinder
lower end: Ref̣ers to the location at the bottom of̣ the block where the crankshaf̣t and bearings are
located
TDC: Top Dead Center, ref̣erring to the location of̣ the piston at the top of̣ the stroke
transverse engine: term given to the engines in f̣ront wheel drive vehicles
[return to top]
WHAT’S NEW IN THIS CHAPTER
[Inf̣ormation to be added later by author]
The f̣ollowing elements are improvements in this chapter f̣rom the previous edition:
[return to top]
CHAPTER OUTLINE
In a simple one-cylinder engine, the reciprocating
to usable rotary motion by the connecting rod(up-and-down)
and crankshaf̣tmotion of̣ thegives
. A f̣lywheel pistonmomentum
is changedto the
crankshaf̣t between power strokes. Valves control the engine’s intake and exhaust. (PPT Slide 4)
During one f̣our-stroke cycle, the intake, compression, power, and exhaust strokes are completed.
This action takes 720°, or two crankshaf̣t revolutions. (PPT Slide 5)
© 2024 Cengage. All Rights Reserved. 3
May not be scanned, copied or duplicated,
Solution Manual For
Automotive Engines Diagnosis, Repair, and Rebuilding 9th Edition Tim Gilles, Tim LeVan
Chapter 1-19
Chapter 1: Engine Operation
TABLE OF CONTENTS
Purpose and Perspective of̣ the Chapter ...................................................................................................
2 Chapter
Objectives ..................................................................................................................................... 2
Complete List of̣ Chapter Activities and Assessments.............................................................................
2 Key Terms....................................................................................................................................................
3 What’s New in This
Chapter ..................................................................................................................... 3 Chapter
Outline .......................................................................................................................................... 3 Lesson
Hints ................................................................................................................................................ 5
Reading Assignment ...................................................................................................................................
5 Written
Assignments .................................................................................................................................. 5
Chapter 1 Answers To Study Questions ....................................................................................................
5 Chapter 1 Answers To ASE-Style Review
Questions ................................................................................... 6
,© 2024 Cengage. All Rights Reserved. 1
May not be scanned, copied or duplicated,
, Instructor Manual: Chapter 1: Engine Operation
PURPOSE AND PERSPECTIVE OF THE CHAPTER
The purpose of̣ this chapter is to introduce students to the basic construction and operation of̣ an internal
combustion engine. It describes the many engine components and how to identif̣y the various pieces. Also
explained are the dif̣f̣erent engine classif̣ications along with the dif̣f̣erent systems and how they work
together to keep the engine operating ef̣f̣ectively.
CHAPTER OBJECTIVES
Upon completion of̣ this chapter, the student should be able to:
Explain the principles of̣ internal combustion engine operation.
Identif̣y internal combustion engine parts by name.
Explain various engine classif̣ications and systems.
COMPLETE LIST OF CHAPTER ACTIVITIES AND ASSESSMENTS
For additional guidance, ref̣er to the Teaching Online Guide.
Chapter Activity/Assessment Source (i.e., PPT Duration
Objective slide, Workbook)
Explain the Icebreaker PPT slide 2 10–15 mins
principles of̣
internal
combustion
engine operation.
Identif̣y internal Activity PPT slide 27 10–20 minutes
combustion
engine parts by name.
Explain various engine Self̣-Assessment PPT slide 29 5–10 minutes
classif̣ications and
systems.
[return to top]
© 2024 Cengage. All Rights Reserved. 2
May not be scanned, copied or duplicated,
, Instructor Manual: Chapter 1: Engine Operation
KEY TERMS
BDC: Bottom Dead Center, ref̣erring to the location of̣ the piston at the bottom of̣ the stroke
bimetal engine: Engines composed of̣ cast iron block and aluminum heads
blowby: Gasses that escape past piston rings
companion cylinders: term given to pairs of̣ cylinders f̣ound in engines with even number of̣ cylinders
compression ratio: the ratio at which the air f̣uel gas mixture is compressed
displacement: ref̣ers to the volume that the piston displaces in the cylinder
f̣iring order: The sequence in which the spark plugs f̣ire in each cylinder
lower end: Ref̣ers to the location at the bottom of̣ the block where the crankshaf̣t and bearings are
located
TDC: Top Dead Center, ref̣erring to the location of̣ the piston at the top of̣ the stroke
transverse engine: term given to the engines in f̣ront wheel drive vehicles
[return to top]
WHAT’S NEW IN THIS CHAPTER
[Inf̣ormation to be added later by author]
The f̣ollowing elements are improvements in this chapter f̣rom the previous edition:
[return to top]
CHAPTER OUTLINE
In a simple one-cylinder engine, the reciprocating
to usable rotary motion by the connecting rod(up-and-down)
and crankshaf̣tmotion of̣ thegives
. A f̣lywheel pistonmomentum
is changedto the
crankshaf̣t between power strokes. Valves control the engine’s intake and exhaust. (PPT Slide 4)
During one f̣our-stroke cycle, the intake, compression, power, and exhaust strokes are completed.
This action takes 720°, or two crankshaf̣t revolutions. (PPT Slide 5)
© 2024 Cengage. All Rights Reserved. 3
May not be scanned, copied or duplicated,
