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Distributorless Ignition System (DIS)

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12th Grade

Distributorless Ignition System (DIS)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a DIS electrical circuit, how many ignition coils does a four-cylinder engine typically contain?

One

Two

Three

Four

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a DIS system, what is the role of the cylinder head between the spark plugs?

It acts as a conductor and completes the secondary circuit

It cools the engine

It injects fuel into the cylinders

It measures the air-fuel mixture

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which stroke is the spark wasted?

Induction

Compression

Power

Exhaust

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the dwell period is increased?

The voltage produced is lower

The voltage produced is higher

The ignition coil stops working

The primary winding is disconnected

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which stroke requires a higher spark voltage to ignite the air and fuel mixture?

Induction stroke

Compression stroke

Power stroke

Exhaust stroke

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the primary winding in the DIS primary circuit?

To produce high secondary voltage

To regulate the spark plug temperature

To monitor the ICM output

To connect the crankshaft sensor

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the DIS system use to determine when to fire the spark plugs?

The crankshaft sensor

The camshaft sensor

The ignition coil

The distributor

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