Explore topic-wise MCQs in Automotive Engine Auxiliary Systems.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

How is the voltage of the used spark plug to fire when compared to a new spark plug?

A. High voltage
B. Less voltage
C. Has no effect
D. Depends on the current value
Answer» B. Less voltage
2.

Which is the material used to make the rotor and a cap of the distributor?

A. Bakelite
B. Ceramic
C. Paper
D. Wood
Answer» D. Wood
3.

Which among the following is not a requirement of a good contact breaker?

A. Must open and close at the correct time
B. Contacts must close without bounce
C. Minimum corrosion
D. Contacts should open with fling
Answer» E.
4.

Where is the condenser placed in the ignition circuit?

A. Contact breaker
B. Distributor housing
C. Ballast resistor
D. Spark plug
Answer» C. Ballast resistor
5.

Which of the following is used to store the inertia of the current flowing during the contact period?

A. Contact breaker
B. Condenser
C. Distributor
D. Ballast resistor
Answer» C. Distributor
6.

How can the center electrode make concerning earth to increase the plug life?

A. Positive
B. Negative
C. Short circuit
D. Ground
Answer» C. Short circuit
7.

What is the gap in millimeters in the contact breaker?

A. 0.35-0.45
B. 0.5-0.7
C. 0.7-0.9
D. 1-1.5
Answer» B. 0.5-0.7
8.

What is the type of resistor that is used to avoid overheating and to decrease the amount of current in the primary circuit?

A. Ballast resistor
B. Thermistor
C. Photoresistor
D. Rheostats
Answer» B. Thermistor
9.

Which of the following is used as a material for insulation in the ignition coil?

A. Metal
B. Ceramic
C. Paper
D. Wood
Answer» D. Wood
10.

What is the function of the ignition coil which is simply a transformer?

A. Step up the current
B. Step down the current
C. Step down the voltage
D. Step up the voltage
Answer» E.
11.

Which of the following factors spark creating voltage does not depend on?

A. The gap and polarity
B. Moisture
C. Plug insulation
D. Engine speed
Answer» E.
12.

Which of the following is defined as the actual high voltage at which the spark occurs?

A. Cut-in voltage
B. Saturated voltage
C. Breakdown voltage
D. Cut-off voltage
Answer» D. Cut-off voltage