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AUT108 Week 1 Quiz Ignition Systems

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

When the voltage reaches the point where current is flowing in the secondary circuit, the _______ drops to a much lower level, just sufficient enough to sustain current flow and the spark.

Select one:

a)

Reserve voltage

b)

Low voltage

c)

High voltage

d)

Required voltage

2.

Which of the following does the ignition system use to convert relatively low-voltage and high-current flow into very high-voltage and very low-current flow?

Select one:

a)

Induction coil

b)

Ignition switch

c)

Ignition module

d)

Spark plugs

3.

The original ignition system found in vehicles was the:

Select one:

a)

waste spark system.

b)

electronic ignition system.

c)

contact breaker points system.

d)

distributorless ignition system.

4.

With the higher voltages that today's electronic ignition systems have to endure because of the increased spark plug gaps and leaner air fuel mixtures, the insulation material on the high-tension leads is now much ________ than in earlier models.

a)

Softer

b)

Thicker

c)

Lighter

d)

None of the above

5.

The ________ connect the coil to the distributor cap center terminal and the distributor cap side terminals to the terminals on the top of the spark plugs.

Select one:

a)

High-tension leads

b)

Spark plugs

c)

Both A and B

d)

Neither A nor B

6.

The primary winding of the ignition coil has approximately _______ turns of enameled copper wire.

Select one:

a)

A few hundred

b)

1,000

c)

15,000

d)

None of the above

7.

Tech A states that in a contact breaker point ignition system, the number of lobes on the distributor shaft is equal to the number of cylinders. Tech B states that number of lobes is twice the number of cylinders. Who is correct?

Select one:

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

8.

The vacuum advance mechanism controls ignition advance in relation to engine ________.

Select one:

a)

Load

b)

Temperature

c)

Speed

d)

MPH

9.

________ is routed from the carburetor to a spring-loaded diaphragm housing attached to the distributor.

Select one:

a)

Current

b)

Voltage

c)

Vacuum

d)

Load

10.

As the rotor turns inside the distributor cap, the high-voltage electrical surges take place successively for each cylinder according to the firing order.

Select one:

a)

True

b)

False

11.

________ are used in virtually every type of ignition system except the contact breaker point system.

Select one:

a)

Ignition modules

b)

Contact breakers

c)

Primary circuits

d)

Secondary circuits

12.

Tech A says that a Hall-effect sensor can be used in an electronic ignition system. Tech B says that an optical-type sensor can be used in an electronic ignition system. Who is correct?

Select one:

a)

Tech A

b)

Tech B

c)

Both Techs A & B

d)

Neither Tech A nor B

13.

Early electronic ignition systems included an ignition module and a triggering device coupled with a ________.

Select one:

a)

Reluctor

b)

Standard distributor

c)

Stator

d)

Stationary winding

14.

The reluctor or trigger wheel is mounted to any of the following EXCEPT the:

Select one:

a)

flywheel.

b)

crankshaft.

c)

clutch wheel.

d)

crankshaft pulley.

15.

At higher engine speeds, the time available to burn the air fuel mixture _______, while the time required to completely burn the mixture remains essentially the same.

Select one:

a)

Increases

b)

Stays the same

c)

Decreases

d)

None of the above

16.

As engine rpm increases, the ignition timing must:

Select one:

a)

retard.

b)

advance.

c)

remain the same.

d)

remain the same and then retard.

17.

Spark plugs are identified by three different features: thread size or diameter, reach or length of the thread, and heat range or ________.

Select one:

a)

Plated metal shell

b)

Internal resistor

c)

Operating temperature

d)

Center electrode

18.

The two sets of windings in an ignition coil are the _______ winding and the _______ winding.

Select one:

a)

Standard; base

b)

High; low

c)

Primary; secondary

d)

Inner; outer

19.

What ignition part is this?

a)

Ignition Coil

b)

Sparkplug

c)

Pick-up Coil

d)

Ballast Resistor

20.

What Ignition part is this?

a)

Breaker type distributor

b)

Electronic Ignition Distributor

c)

Ignition Coil

d)

Coil on Plug

21.

What Ignition part is this?

a)

Ignition Coil

b)

Distributor Cap & Rotor

c)

Ballast Resistor

d)

Ignition Module