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Weekly Automotive Quiz 10/1/2021

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

The device used to control alternator field current is the

a)

diode trio

b)

stator

c)

rectifier bridge

d)

voltage regulator

2.

Before testing a charging system, the vehicle must have

a)

a fully charge battery

b)

a well-tuned engine

c)

proper ignition timing

d)

a discharged battery

3.

Alternator diodes are used to convert

a)

AC to DC

b)

DC to AC

c)

mechanical energy to electrical energy

d)

electrical energy to mechanical energy

4.

An indication of alternator output can be obtained by

a)

verifying that the alternator is grounded

b)

comparing battery voltage with the engine off and engine running

c)

cranking the starter for 15 seconds

d)

Load testing for 15 seconds

5.

If three lamps of 2 Ohms, 6 Ohms and 10 Ohms are connected in series, their total resistance value in Ohms is

a)

6 Ohms

b)

9 Ohms

c)

12 Ohms

d)

18 Ohms

6.

Which of the following circuits has two or more paths for the current to flow?

a)

a series circuit

b)

a parallel circuit

c)

an open circuit

d)

a spilt phase circuit

7.

When replacing a open(blown)fuse,

a)

one of a higher capacity is acceptable

b)

one of the same capacity should be used

c)

one of a lesser capacity is preferred

d)

a jumper wire can be substituted

8.

When replacing electrical components,

a)

disconnect the battery ground cable

b)

disable the ignition system

c)

use only insulated wrenches

d)

isolate the alternator to prevent damage

9.

Which of the following solid-state devices can be used in place of a relay

a)

photo cell

b)

transistor

c)

resistor

d)

LED

10.

What supplies energy in an electric

circuit?

a)

conductor

b)

light bulb

c)

battery

11.

Which type of circuit is Circuit A?

a)

series

b)

parallel

c)

perpendicular

12.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

13.

A 12 gauge wire will safely carry MORE __________ than a 16 gauge wire.

a)

voltage

b)

amperage

c)

resistance

d)

wattage

14.

In which part of a service manual would the automotive technician look to find the rear defogger relay

a)

wiring schematics

b)

circuit descriptions

c)

diagnostic trouble charts

d)

component locator

15.

MOST power door lock systems use switches that are directly wired to a/an

a)

amplifier

b)

rectifier

c)

window motor

d)

lock/unlock relay

16.

A car MUST generally be moving at a minimum speed of__________ MPH to engage the factory cruise control system.

a)

50

b)

40

c)

30

d)

20

17.

A vehicle's left turn signal indicator illuminates anytime that the park lamps are switched on. A likely cause might be

a)

shorted turn signal switch

b)

open circuit in I/P cluster

c)

back-fed voltage in left front parking/turn signal lamp

d)

trailer harness shorted to ground

18.

On a vehicle equipped with a standard-duty flasher for the turn signal, the trailer hook-up will cause the flash rate to

a)

be slower

b)

be the same

c)

be faster

d)

not flash at all

19.

When charging a battery

a)

the battery temperature must not exceed 125 degrees F

b)

a three minute charge test is sufficient

c)

a car must be running

d)

it must be removed from the vehicle

20.

Guidelines and procedures in a workshop are provided to help ensure

a)

The safety of the workers

b)

The workers can read

c)

The contentment of the workers

d)

The workers are always busy