Ignition test review

The ignition system pickup coil or trigger is usually electrically connected to the ________.

• distributor cap

• rotor

• ignition module

• ignition coil

Excessive turn off oscillations in the primary current ramp waveform can be an indication of what?

• Normal operation

• Secondary unable to accept the voltage

• Primary unable to accept the voltage

• Primary shorted together

Corona stains are caused by what?

• Oil particles being stuck to the ceramic by high voltage

• High voltage burning the ceramic

• High voltage leaking from the terminal to the shell

• High voltage leaking from the shell to the terminal

A fine-wire electrode can reduce required coil voltage by approximately how much percent?

• 10

• 20

• 30

• 40

Why do we want plug tips to reach a certain temperature?

• To prevent fouling

• To increase spark heat

• To increase combustion efficiency

• To reduce emissions

Which statement below is correct?

• Turning on the low voltage primary coil induces a high voltage in the secondary windings.

• No voltage is induced in the secondary circuit.

• No voltage is induced in the primary circuit.

• Turning off the low voltage primary coil induces a high voltage in the secondary windings.

Why was the rotor gap purposefully enlarged on some older model vehicles?

• Emissions

• Performance

• Wear characteristics

• Poor craftsmanship

Which type of spark plug seat requires a gasket?

• Flat

• Tapered

• Helical

• Spiral wound

The VCMM is capable of handling how much voltage?

• 60 volts

• 100 volts

• 400 volts

• 125 volts

What device changes resistance with temperature?

• Potentiometer

• Thermistor

• Magnetic pickup

• Relay