AUT-208 Engine Performance Quiz

AUT-208 Engine Performance Quiz

20 Qs

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AUT-208 Engine Performance Quiz

AUT-208 Engine Performance Quiz

Assessment

Quiz

Other

Practice Problem

Easy

Created by

Richard Chinapana

Used 55+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The signal voltage generated by a throttle position sensor rises as the throttle is opened, reaching a maximum reading of almost _____ volts.

5

1

15

10

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tech A says that the output drivers in the PCM typically send either simple on/off signals, or pulse-width-modulated signals to the actuators, depending on the actuator being controlled. Tech B says that in many cases, the software in the PCM's memory can be updated by uploading software updates, called a reflash process. Who is correct?

Tech A

Tech B

Neither Tech A or Tech B

Both Tech A and Tech B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tech A says that the oxygen sensor is part of the feedback system for the engine management system. Tech B says that long-term fuel trims that are positive means that the PCM is leaning out the fuel mixture from the base pulse-width setting. Who is correct?

Tech A

Tech B

Neither Tech A or Tech B

Both Tech A and Tech B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tech A states that engine management systems were born out of a need for greater efficiency and emission control. Tech B states that the engine management system controls the operation of the engine and all of its related system. Who is correct?

Tech A

Tech B

Neither Tech A or Tech B

Both Tech A and Tech B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

About how much signal voltage is generated by a throttle position sensor at closed throttle?

1 Volt

10 Volts

50 Volts

100 Volts

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tech A says that analog signals are continuously variable signals. Tech B says that digital signals are direct on/off signals with no in-between transition. Who is correct?

Tech A

Tech B

Neither Tech A or Tech B

Both Tech A and Tech B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tech A says that in modern vehicles, an oxygen sensor is only positioned in the exhaust pipe after the catalytic converter. Tech B says that the oxygen sensor provides the body control module (BCM) with an electrical signal that relates to the amount of oxygen in the exhaust gas. Who is correct?

Tech A

Tech B

Neither Tech A or Tech B

Both Tech A and Tech B

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