Question 1

What is the problem with incorrect valve timing?

Accepted Answer

The answer of What is the problem with incorrect valve...

Question 2

Describe an overhead valve engine.

Accepted Answer

The answer of Describe an overhead valve engine....

Question 3

Some diesel engines operate on the two-stroke cycle principle.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

The answer of A ____________________ test is used to detect...

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Front engine, longitudinal layout is being discussed. Technician A says this layout is used in rear-wheel drive vehicles. Technician B says this layout is used in some front-wheel drive vehicles. Who is correct?

Accepted Answer

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

Question 7

Describe an inline engine.

Accepted Answer

The answer of Describe an inline engine....

Question 8

There is no such thing as a W engine configuration.

Accepted Answer

A) True 
 B)False

Question 9

How many degrees of crankshaft rotation does it take to complete one complete engine cycle in a 4-stroke engine?

Accepted Answer

A) 90 
B) 180 
C) 360 
D) 720

Question 10

What is compression ratio?

Accepted Answer

A) the diameter of the cylinder 
B) the cylinder arrangement 
C) the ratio of the air to fuel mixture 
D) None of the answers is correct.

Question 11

How can cam timing be checked?

Accepted Answer

A) using a lab scope 
B) checking the timing marks 
C) both A and B 
D) neither A nor B

Question 12

A(n)____________________ mounted engine sits sideways in the engine compartment.

Accepted Answer

The answer of A(n)____________________ mounted engine sits sideways in the...

Question 13

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 14

Oversquare engines are capable of running at higher speeds and can have larger valves than undersquare engines.

Accepted Answer

A) True 
 B)False

Question 15

Identify four types of fuel currently used in automotive engines.

Accepted Answer

The answer of Identify four types of fuel currently used...

Question 16

The stratified charge engine combines the features of both the gasoline and diesel engines.

Accepted Answer

A) True 
 B)False

Question 17

____________________ plugs are used to warm the combustion chamber of a cold diesel engine.

Accepted Answer

The answer of ____________________ plugs are used to warm the...

Question 18

Engine torque always increases with engine rpm.

Accepted Answer

A) True 
 B)False

Question 19

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) a worn camshaft lobe 
D) a cracked piston

Question 20

Gasoline and diesel engines are classified as external combustion engines.

Accepted Answer

A) True 
 B)False

Exam 9: Automotive Engine Designs and Diagnosis

What is the problem with incorrect valve timing?

Describe an overhead valve engine.

Some diesel engines operate on the two-stroke cycle principle.

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

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

Front engine, longitudinal layout is being discussed. Technician A says this layout is used in rear-wheel drive vehicles. Technician B says this layout is used in some front-wheel drive vehicles. Who is correct?

Describe an inline engine.

There is no such thing as a W engine configuration.

How many degrees of crankshaft rotation does it take to complete one complete engine cycle in a 4-stroke engine?

What is compression ratio?

How can cam timing be checked?

A(n)____________________ mounted engine sits sideways in the engine compartment.

Oversquare engines are capable of running at higher speeds and can have larger valves than undersquare engines.

Identify four types of fuel currently used in automotive engines.

The stratified charge engine combines the features of both the gasoline and diesel engines.

____________________ plugs are used to warm the combustion chamber of a cold diesel engine.

Engine torque always increases with engine rpm.

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 _____.

Gasoline and diesel engines are classified as external combustion engines.