WRITTENTEST

UNDERSTANDINGENGINE FUNDAMENTALS 1

Name Date Score _

INSTRUCTIONS

OBJECTIVE 1

OBJECTIVE 2

Write the letter of the answer in each blank provided.

List safety hazards associated with engine performance work.

1. Which of the following lists of injuries are associatedwith engine performance work?

A. allergic reactions, electrical shock, exposure to toxicmaterials·

B. electrical shock, exposure to toxic materials, musclestrains, hearing loss

C. cuts, electrical shock, exposure to toxic materials,muscle strains

D. cuts, electrical shock, repetitive motion injuries,exposure to toxic materials

List chemicals related to automotive engine service thatcontain hazardous materials.

2. Which of the following is NOTa chemical related toautomotive engine service that contains hazardousmaterials?

A. battery acidB. carburetor cleanersC. gasoline additivesD. injector solutions

3. Which of the following is NOTa chemical related toautomotive engine service that contains hazardousmaterials?

A. antifreezeB. exhaust gasesC. compounds used to free valve liftersD. salt

May be photocopied for student use.

TEACHER MATERIALS - Engine Periormance SpecialistWRIDEN TEST - CIMC - 1 - 17

OBJECTIVE 3

OBJECTIVE 4

OBJECTIVE 5

List the names of the major engine systems.

4. Which of the following is a TRUE list of the majorengine systems?

A. ignition system, lubrication system, cooling system.charging system

B. starting system. heating system. charging system.exhaust system

C. fuel system. lubrication system, fluid system, soundsystem

D. ignition system, charging system, fluid system,exhaust system

Describe the functions of the major engine systems.

5. Which of the following systems provides the spark toburn the fuel?

A. charging systemB. fuel systemC. ignition systemD. starting system

6. True or False: The exhaust system reduces friction andcleans the engine.

A. TrueB. False

7. True or False: The starting system also charges thebattery.

A. TrueB. False

List the three elements that must be present in order forcombustion to occur.

8. Which of the following elements is NOT necessary inorder for combustion to occur?

A airB. hydrocarbonsC. fuelD. heat

May De photocopied for student USB.

TEACHER MATERIALS - Engine Performance SpecialistWRITTEN TEST - CIMC - 1 - 18

OBJECTIVE 6

OBJECTIVE 7

OBJECTIVE 8

List the four strokes of an internal combustion engine in theorder of their occurrence.

9. Which of the following lists in order of occurrence thefour strokes of an internal combustion engine?

A. compression, intake, power, exhaustB. intake, power, compression, exhaustC. intake, compression, power, exhaustD. power, compression, intake, exhaust

Using illustrations of cylinders, sketch the spark in thecorrect engine stroke.

10. During which of the following engine strokes is sparkdelivered to create combustion?

A. compressionB. exhaustC. intakeD. power

Using illustrations of cylinders, sketch the piston in thecorrect position for each of the four engine strokes.

1.

11. For the figure below, identify the engine strokeindicated by the number 3.

A. compressionB. exhaustC. intakeD. power

2. 3.May be photocopied for student use.

TEACHER MATERIALS - Engine Performance SpecialistWRITTEN TEST - CIMC - 1 - 19

4.

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12. For the figure below, identify the engine strokeindicated by the number 4.

A. compressionB. exhaustC. intakeD. power

1.

OBJECTIVE 9

":i

OBJECTIVE 10

2. 3. 4.

Using illustrations of cylinders, drawan arrowto indicate thedirection of piston movement for each of the four enginestrokes.

13. True or False: Duling the intake stroke. the pistonmoves down away from the valves.

A. TrueB. False

14. True or False: Duling the power strOkj' the pistonmoves up toward the valves.

A. True .B. False

Using illustrations of cylinders, sketch the intake valve in. the correct position for each of the four engine strokes.

15. Trtre or False: Duling the exhaust stroke. the intakevalve is open.

A. TrueB. False

May be photocopied for student use.

TEACHER MATERIALS - Engine Performance SpecialistWRITTEN TEST - CIMC - 1 - 20

OBJECTIVE 11

OBJECTIVE 12

16. True or False: During the intake stroke, the intakevalve is open.

A. TrueB. False

Using illustrations of cylinders. sketch the exhaust valve inthe correct position for each of the four engine strokes.

17. True or False: During the exhaust stroke, the exhaustvalve is open.

A. TrueB. False

List the names of emission control systems.

18. Which of the followingis the name of an emissioncontrol system?

A. air conditioning systemB. exhaust systemC. fuel injection systemD. positive crankcase ventilation system

19. Which of the followingis the name of an emissioncontrol system?

A. carburetor heat control systemB. heated air induction systemC. negative crankcase ventilation systemD. oxygen injection system

20. Which of the following is the name of an emissioncontrol system?

A. oxygen exhaust systemB. catalytic control systemC. carburetor control systemD. air conditioning control system

May be photocopied for student use.

TEACHER MATERIALS - Engine Performance SpecialistWRITTEN TEST - CIMC - 1 - 21