AE06 Vehicle electrics (exam practice questions)

Question 1

When testing the voltage of an ABS wheel speed sensor what would happen as the wheel slows

Accepted Answer

A decrease in AC voltage

Question 2

An ohms test on a Thermister indicates 0C=4500 ohms 100C 200 ohms this type of thermister is

Accepted Answer

Negative Temperature coefficient

Question 3

What is an electronic device that lets electric current flow only 1 way

Accepted Answer

Zenor diode

Question 4

A strain gauge pressure sensor incorporates the use of

Accepted Answer

Sensing resistors

Question 5

what on a car uses a sun load sensor

Accepted Answer

Climate control

Question 6

A gas discharge bulb contains what

Accepted Answer

Electrodes,Xenon,mercury and metal salts

Question 7

What controls regenerative braking on an hybrid car

Accepted Answer

The brake pedal

Question 8

How many satellites need to be in view for a sat nav to work

Accepted Answer

3

Question 9

Flemmings left hand rule is related to what

Accepted Answer

Motors

Question 10

What would the symptom be if the system earth failed on an electric window circuit

Accepted Answer

Window would not operate

Question 11

How many motors are there on an electric mirror

Accepted Answer

2

Question 12

when testing the voltage of a FRONT heated screen on a car what would you expect it to be?

Accepted Answer

No more than 1/2 volt below battery voltage

Question 13

When checking an electric window or mirror,what should be checked first

Accepted Answer

Fuse

Question 14

How is the compressor engaged on an air conditioning system

Accepted Answer

electromagneticaly

Question 15

What does PWM stand for

Accepted Answer

Pulse width modulation

Question 16

In an SRS system what occurs from 10 to15 milliseconds after impact

Accepted Answer

The air bag is inflated then the pre tensioners tighten up.

Question 17

What is this

Accepted Answer

Logic gate

Question 18

What does a centraldoor locking actuatorcontain

Accepted Answer

Drive motor and gear

Question 19

What should the resistance reading be on a door contact switch when the door is closed

Accepted Answer

Infinity

Question 20

What is the reflective part of an headlight called.

Accepted Answer

A parabolic

Questions 20