DVA31064 CH3: Vehicle Ignition System

A petrol engine requires:

1. Spark

2. Fuel

3. Water

4. Air, to produce combustion.

Which of the following combinations is correct?

• 1, 2 and 3

• 1 and 2

• 1, 2 and 4

• 1, 3 and 4

How many different circuits are there in a contact breaker ignition system?

• 1

• 2

• 3

• 4

On what voltage, in volts, does the primary ignition circuit operate?

• 6

• 12

• 24

• 10

Which part distributes the spark to each cylinder in turn?

• Spark plug

• Rotor arm

• Distributor cap

• Ignition Coil

Which winding has the most turns?

• Primary

• Secondary

What is the voltage, in volts, in the secondary winding; during the dwell period?

• 0

• 12

• 20000

• 15000

Which part switches the primary circuit on and off?

• Distributor cap

• Ignition coil

• Rotor arm

• Contact breaker

What is the distributor cap made from?

• Brass

• Hard plastic

• Spring metal

• Carbon

What material are the spark plug conducting leads made from?

• Copper

• Carbon

• Brass

• Steel

Where is a ballast resistor connected?

• Between the coil and the starter solenoid

• Between the ignition switch run position and the distributor

• Between the ignition switch run position and the starter solenoid

• Between the coil and the ignition switch run position