Question 1

Describe an overhead valve engine.

Accepted Answer

In an OHV engine the camshaft ...

Question 2

Identify four types of fuel currently used in automotive engines.

Accepted Answer

Gasoline, natural ga...

Question 3

The flywheel stores some of the power produced by the engine during the power stroke to keep the pistons in motion during the exhaust, intake, and compression strokes.

Accepted Answer

A) True 
 B)False

Question 4

The largest part of the engine is the ____________________.

Accepted Answer

cylinder (engine) bl...

Question 5

A cylinder leakage test measures the amount of leakage in the cylinder in ____________________.

Accepted Answer

The answer of A cylinder leakage test measures the amount...

Question 6

What type of ICE engine listed below is commonly found in a hybrid vehicle.

Accepted Answer

A)   two-stroke
B)   rotary
C)   diesel
D)   Atkinson

Question 7

Which V-type engine valve train design may use four camshafts?

Accepted Answer

A)   OHC
B)   DOHC
C)   OHV
D)   DOHV

Question 8

Diesel engines are being discussed. Technician A says diesel engines have a distributor-type injection pump. Technician B says diesel engines have a common fuel rail and the injectors are controlled by the computer. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B

Question 9

A wet compression test is performed on an engine after a dry compression test revealed low compression on one cylinder. If the compression on the low cylinder rises, it indicates _____.

Accepted Answer

A)   leaking valves
B)   worn rings
C)   worn camshaft lobe
D)   all answers are correct

Question 10

Two technicians are discussing diesel engines. Technician A says all diesel engines are fuel injected. Technician B says glow plugs help ignite the fuel when the engine is cold. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B C

Question 11

Both valves are closed on the _____ strokes.

Accepted Answer

A)   power and exhaust
B)   intake and exhaust
C)   intake and compression
D)   compression and power

Question 12

Engine oil pressure testing is being discussed. Technician A says that oil pressure should be tested with the engine cold. Technician B says oil with viscosity that is too high may cause lower than specified pressure. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B D

Question 13

A ____________________ test is used to detect if all the cylinders are producing the same amount of power

Accepted Answer

cylinder p...

Question 14

The rotary engine is also known as a(n) ____________________ engine.

Accepted Answer

The answer of The rotary engine is also known as...

Question 15

The camshaft can be located either in the cylinder block or in the cylinder head.

Accepted Answer

A) True 
 B)False

Question 16

Technician A says weak valve springs can be detected with a vacuum test. Technician B says a restricted exhaust can be detected with a vacuum test. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B C

Question 17

Two technicians are discussing compression testing on a hybrid vehicle equipped with an Atkinson cycle engine. Technician A says the compression reading of an Atkinson cycle engine is normally higher than a conventional engine. Technician B says a scan tool may be needed to perform the compression test. Who is correct?

Accepted Answer

A)   A only
B)   B only
C)   both A and B
D)   neither A nor B

Question 18

Describe a mid-engine transverse engine layout.

Accepted Answer

In a mid-engine transverse layout the en...

Question 19

Engine torque always increases with engine rpm.

Accepted Answer

A) True 
 B)False

Question 20

Nearly all engines rotate clockwise (as seen from the flywheel end).

Accepted Answer

A) True 
 B)False

Exam 9: Automotive Engine Designs and Diagnosis

Describe an overhead valve engine.

Correct Answer
verified
In an OHV engine the camshaft ...
View Answer

Identify four types of fuel currently used in automotive engines.

Correct Answer
verified
Gasoline, natural ga...
View Answer

The flywheel stores some of the power produced by the engine during the power stroke to keep the pistons in motion during the exhaust, intake, and compression strokes.

Correct Answer
verified

The largest part of the engine is the ____________________.

Correct Answer
verified
cylinder (engine) bl...
View Answer

A cylinder leakage test measures the amount of leakage in the cylinder in ____________________.

Correct Answer
verified

What type of ICE engine listed below is commonly found in a hybrid vehicle.

Correct Answer
verified

Which V-type engine valve train design may use four camshafts?

Correct Answer
verified

Diesel engines are being discussed. Technician A says diesel engines have a distributor-type injection pump. Technician B says diesel engines have a common fuel rail and the injectors are controlled by the computer. Who is correct?

Correct Answer
verified

A wet compression test is performed on an engine after a dry compression test revealed low compression on one cylinder. If the compression on the low cylinder rises, it indicates _____.

Correct Answer
verified

Two technicians are discussing diesel engines. Technician A says all diesel engines are fuel injected. Technician B says glow plugs help ignite the fuel when the engine is cold. Who is correct?

Correct Answer
verified
C

Both valves are closed on the _____ strokes.

Correct Answer
verified

Engine oil pressure testing is being discussed. Technician A says that oil pressure should be tested with the engine cold. Technician B says oil with viscosity that is too high may cause lower than specified pressure. Who is correct?

Correct Answer
verified
D

A ____________________ test is used to detect if all the cylinders are producing the same amount of power

Correct Answer
verified
cylinder p...
View Answer

The rotary engine is also known as a(n) ____________________ engine.

Correct Answer
verified

The camshaft can be located either in the cylinder block or in the cylinder head.

Correct Answer
verified

Technician A says weak valve springs can be detected with a vacuum test. Technician B says a restricted exhaust can be detected with a vacuum test. Who is correct?

Correct Answer
verified
C

Correct Answer
verified

Describe a mid-engine transverse engine layout.

Correct Answer
verified
In a mid-engine transverse layout the en...
View Answer

Engine torque always increases with engine rpm.

Correct Answer
verified

Nearly all engines rotate clockwise (as seen from the flywheel end).

Correct Answer
verified

Exam 9: Automotive Engine Designs and Diagnosis

Describe an overhead valve engine.

Correct AnswerverifiedIn an OHV engine the camshaft ...View AnswerShow Answer

Identify four types of fuel currently used in automotive engines.

Correct AnswerverifiedGasoline, natural ga...View AnswerShow Answer

The flywheel stores some of the power produced by the engine during the power stroke to keep the pistons in motion during the exhaust, intake, and compression strokes.

Correct AnswerverifiedShow Answer

The largest part of the engine is the ____________________.

Correct Answerverifiedcylinder (engine) bl...View AnswerShow Answer

A cylinder leakage test measures the amount of leakage in the cylinder in ____________________.

Correct AnswerverifiedShow Answer

What type of ICE engine listed below is commonly found in a hybrid vehicle.

Correct AnswerverifiedShow Answer

Which V-type engine valve train design may use four camshafts?

Correct AnswerverifiedShow Answer

Diesel engines are being discussed. Technician A says diesel engines have a distributor-type injection pump. Technician B says diesel engines have a common fuel rail and the injectors are controlled by the computer. Who is correct?

Correct AnswerverifiedShow Answer

A wet compression test is performed on an engine after a dry compression test revealed low compression on one cylinder. If the compression on the low cylinder rises, it indicates _____.

Correct AnswerverifiedShow Answer

Two technicians are discussing diesel engines. Technician A says all diesel engines are fuel injected. Technician B says glow plugs help ignite the fuel when the engine is cold. Who is correct?

Correct AnswerverifiedC

Both valves are closed on the _____ strokes.

Correct AnswerverifiedShow Answer

Engine oil pressure testing is being discussed. Technician A says that oil pressure should be tested with the engine cold. Technician B says oil with viscosity that is too high may cause lower than specified pressure. Who is correct?

Correct AnswerverifiedD

A ____________________ test is used to detect if all the cylinders are producing the same amount of power

Correct Answerverifiedcylinder p...View AnswerShow Answer

The rotary engine is also known as a(n) ____________________ engine.

Correct AnswerverifiedShow Answer

The camshaft can be located either in the cylinder block or in the cylinder head.

Correct AnswerverifiedShow Answer

Technician A says weak valve springs can be detected with a vacuum test. Technician B says a restricted exhaust can be detected with a vacuum test. Who is correct?

Correct AnswerverifiedC

Correct AnswerverifiedShow Answer

Describe a mid-engine transverse engine layout.

Correct AnswerverifiedIn a mid-engine transverse layout the en...View AnswerShow Answer

Engine torque always increases with engine rpm.

Correct AnswerverifiedShow Answer

Nearly all engines rotate clockwise (as seen from the flywheel end).

Correct AnswerverifiedShow Answer

Correct Answer
verified
In an OHV engine the camshaft ...
View Answer

Correct Answer
verified
Gasoline, natural ga...
View Answer

Correct Answer
verified

Correct Answer
verified
cylinder (engine) bl...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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C

Correct Answer
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Correct Answer
verified
D

Correct Answer
verified
cylinder p...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified
In a mid-engine transverse layout the en...
View Answer

Correct Answer
verified

Correct Answer
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