Question 1

An engine in good condition will produce a steady, constant vacuum reading above 15 inches at a warm idle.

Accepted Answer

A) True 
 B)False

Question 2

Electric turbochargers are standard equipment in some newer vehicles .

Accepted Answer

A) True 
 B)False

Question 3

Vacuum refers to any pressure that is higher than the earth's atmospheric pressure at any given altitude.

Accepted Answer

A) True 
 B)False

Question 4

A vacuum gauge may be used to check for a restricted exhaust system.

Accepted Answer

A) True 
 B)False

Question 5

In a turbocharger, the turbine and compressor wheels rotate at speeds up to ______.

Accepted Answer

A)  10,000 rpm
B)  50,000 rpm
C)  100,000 rpm
D)  150,000 rpmE) A) and B)
F) A) and C)

Question 6

If a catalytic converter in a late model vehicle is not working properly, the ______________________ will turn on.

Accepted Answer

MIL,malfun...

Question 7

Variable intake manifolds for engines with port fuel injection are being discussed. Technician A says at low speeds, the air travels through a short or large diameter runner. Technician B says they deliver more power at high speed. Who is correct?

Accepted Answer

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

Question 8

On some new engine designs, the exhaust manifold is incorporated into the cylinder head to increase the efficiency of the driving the turbine.

Accepted Answer

A) True 
 B)False

Question 9

Technician A says an intake manifold that delivers both air and fuel (carburetor or TBI) is designed to cause turbulence so that the air and fuel mix while they are being delivered to the cylinders. Technician B says in an air only type manifold (PFI) the length of the runners is designed to achieve the best performance during a particular range of engine speeds. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) A) and B)
F) All of the above

Question 10

Which of the following is NOT an engine exhaust pollutant that is changed by the catalytic converter?

Accepted Answer

A)  CO
B)  HC
C)  CO2
D)  NO XE) None of the above
F) A) and D)

Question 11

Which of the following is NOT a characteristic of a turbocharger?

Accepted Answer

A)  It increases engine power by compressing the air that goes into the combustion chambers.
B)  It is usually located close to the exhaust manifold.
C)  It utilizes an exhaust-driven turbine wheel.
D)  It requires a mechanical connection between the engine and the pressurizing pump.E) A) and C)
F) None of the above

Question 12

In an intake manifold for a PFI engine, the __________________ serves as a reservoir for the air and is used to distribute the intake charge evenly to the runners and intake ports.

Accepted Answer

The answer of In an intake manifold for a PFI...

Question 13

Technician A says the bearings in a turbocharger are cooled by engine oil. Technician B says turbocharger bearings are cooled by engine coolant. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) A) and B)
F) None of the above

Question 14

What is a vacuum?

Accepted Answer

The term vacuum refers to any ...

Question 15

An intercooler can reduce the temperature of the inlet air as much as __________________ degrees Fahrenheit.

Accepted Answer

150,one hu...

Question 16

Which of the following statements concerning superchargers is NOT correct?

Accepted Answer

A)  Superchargers must overcome inertia and spin up to speed as the flow of exhaust gas increases
B)  Superchargers do not require a waste gate to limit boost
C)  A bypass allows the supercharger to idle when extra power is not needed
D)  Superchargers improve horsepower and torqueE) A) and B)
F) A) and C)

Question 17

The function of the catalytic converter on a diesel engine is to eliminate ______.

Accepted Answer

A)  carbon dioxide (CO2) 
B)  carbon monoxide (CO) 
C)  sulphur dioxide (SO2) 
D)  particulates (black smoke) E) None of the above
F) A) and C)

Question 18

What are the three functions of the exhaust system?

Accepted Answer

A vehicle's exhaust system car...

Question 19

Tuned exhaust manifolds are primarily designed to reduce noise.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is NOT a metal used for producing exhaust manifolds?

Accepted Answer

A)  cast iron
B)  aluminum
C)  heavy-gauge sheet metal
D)  stainless steelE) A) and C)
F) None of the above

Exam 32: Intake and Exhaust Systems

Which of the following is NOT a metal used for producing exhaust manifolds?

Correct Answer
verified

An engine in good condition will produce a steady, constant vacuum reading above 15 inches at a warm idle.

Correct Answer
verified

Variable intake manifolds for engines with port fuel injection are being discussed. Technician A says at low speeds, the air travels through a short or large diameter runner. Technician B says they deliver more power at high speed. Who is correct?

Correct Answer
verified

Tuned exhaust manifolds are primarily designed to reduce noise.

Correct Answer
verified

On some new engine designs, the exhaust manifold is incorporated into the cylinder head to increase the efficiency of the driving the turbine.

Correct Answer
verified

The function of the catalytic converter on a diesel engine is to eliminate ______.

Correct Answer
verified

Vacuum refers to any pressure that is higher than the earth's atmospheric pressure at any given altitude.

Correct Answer
verified

Technician A says the bearings in a turbocharger are cooled by engine oil. Technician B says turbocharger bearings are cooled by engine coolant. Who is correct?

Correct Answer
verified

In a turbocharger, the turbine and compressor wheels rotate at speeds up to ______.

Correct Answer
verified

An intercooler can reduce the temperature of the inlet air as much as __________________ degrees Fahrenheit.

Correct Answer
verified
150,one hu...
View Answer

What is a vacuum?

Correct Answer
verified
The term vacuum refers to any ...
View Answer

A vacuum gauge may be used to check for a restricted exhaust system.

Correct Answer
verified

Which of the following is NOT an engine exhaust pollutant that is changed by the catalytic converter?

Correct Answer
verified

Correct Answer
verified

What are the three functions of the exhaust system?

Correct Answer
verified
A vehicle's exhaust system car...
View Answer

Electric turbochargers are standard equipment in some newer vehicles .

Correct Answer
verified

Which of the following statements concerning superchargers is NOT correct?

Correct Answer
verified

In an intake manifold for a PFI engine, the __________________ serves as a reservoir for the air and is used to distribute the intake charge evenly to the runners and intake ports.

Correct Answer
verified

If a catalytic converter in a late model vehicle is not working properly, the ______________________ will turn on.

Correct Answer
verified
MIL,malfun...
View Answer

Which of the following is NOT a characteristic of a turbocharger?

Correct Answer
verified

Exam 32: Intake and Exhaust Systems

Which of the following is NOT a metal used for producing exhaust manifolds?

Correct AnswerverifiedShow Answer

An engine in good condition will produce a steady, constant vacuum reading above 15 inches at a warm idle.

Correct AnswerverifiedShow Answer

Variable intake manifolds for engines with port fuel injection are being discussed. Technician A says at low speeds, the air travels through a short or large diameter runner. Technician B says they deliver more power at high speed. Who is correct?

Correct AnswerverifiedShow Answer

Tuned exhaust manifolds are primarily designed to reduce noise.

Correct AnswerverifiedShow Answer

On some new engine designs, the exhaust manifold is incorporated into the cylinder head to increase the efficiency of the driving the turbine.

Correct AnswerverifiedShow Answer

The function of the catalytic converter on a diesel engine is to eliminate ______.

Correct AnswerverifiedShow Answer

Vacuum refers to any pressure that is higher than the earth's atmospheric pressure at any given altitude.

Correct AnswerverifiedShow Answer

Technician A says the bearings in a turbocharger are cooled by engine oil. Technician B says turbocharger bearings are cooled by engine coolant. Who is correct?

Correct AnswerverifiedShow Answer

In a turbocharger, the turbine and compressor wheels rotate at speeds up to ______.

Correct AnswerverifiedShow Answer

An intercooler can reduce the temperature of the inlet air as much as __________________ degrees Fahrenheit.

Correct Answerverified150,one hu...View AnswerShow Answer

What is a vacuum?

Correct AnswerverifiedThe term vacuum refers to any ...View AnswerShow Answer

A vacuum gauge may be used to check for a restricted exhaust system.

Correct AnswerverifiedShow Answer

Which of the following is NOT an engine exhaust pollutant that is changed by the catalytic converter?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What are the three functions of the exhaust system?

Correct AnswerverifiedA vehicle's exhaust system car...View AnswerShow Answer

Electric turbochargers are standard equipment in some newer vehicles .

Correct AnswerverifiedShow Answer

Which of the following statements concerning superchargers is NOT correct?

Correct AnswerverifiedShow Answer

In an intake manifold for a PFI engine, the __________________ serves as a reservoir for the air and is used to distribute the intake charge evenly to the runners and intake ports.

Correct AnswerverifiedShow Answer

If a catalytic converter in a late model vehicle is not working properly, the ______________________ will turn on.

Correct AnswerverifiedMIL,malfun...View AnswerShow Answer

Which of the following is NOT a characteristic of a turbocharger?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
150,one hu...
View Answer

Correct Answer
verified
The term vacuum refers to any ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A vehicle's exhaust system car...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
MIL,malfun...
View Answer

Correct Answer
verified