Explore topic-wise MCQs in Automotive Engine Auxiliary Systems.

This section includes 13 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.

What is the minimum cranking speed for a C.I engine without glow-plugs?

A. 150-180rpm
B. 60 to 140rpm
C. 60-90rpm
D. 100-200rpm
Answer» E.
2.

How is the drive system between the engine and gearbox in modern starter motor?

A. Shaft drive
B. Belt drive
C. Belt drive or connected directly to the flywheel
D. Connected directly to the flywheel
Answer» D. Connected directly to the flywheel
3.

In modern starters, the pole shoes are replaced with which component?

A. Titanium coil
B. Carbon brushes
C. Permanent magnet
D. Electro-magnet
Answer» D. Electro-magnet
4.

Lights remain unaffected, what does this indicate concerning Starter motor?

A. Weak battery
B. Loose connection
C. Open circuit in the field winding
D. Defective starter motor
Answer» D. Defective starter motor
5.

Lights dim but slightly, what does this indicate concerning Starter motor?

A. Weak battery
B. Loose connection
C. Open circuit in the field winding
D. Defective starter motor
Answer» D. Defective starter motor
6.

Lights get dim heavily, what does this indicate concerning Starter motor?

A. Weak battery
B. Loose connection
C. Open circuit in the field winding
D. Defective starter motor
Answer» B. Loose connection
7.

Lights go off completely, what does this indicate concerning Starter motor?

A. Low battery power
B. Loose connection
C. Open circuit in the field winding
D. Defective starter motor
Answer» C. Open circuit in the field winding
8.

Which accessory in the car is used to indicate the working condition of starter motor?

A. Speaker
B. Light
C. Alternator
D. Battery
Answer» C. Alternator
9.

In the case of shift, it must be noted that the test should not be continued for more than how many seconds?

A. 31-40min
B. 5-7sec
C. 30-55min
D. 10-15seconds
Answer» E.
10.

If there is a wear or damage is more than the permissible limits, what has to be done?

A. Replace the brushes
B. Grind the brushes
C. Skim the brushes
D. Mill the brushes
Answer» B. Grind the brushes
11.

Continuity in the field windings can be tested in which device?

A. Voltmeter
B. Multimeter
C. Galvanometer
D. Ammeter
Answer» C. Galvanometer
12.

Which device is used to check the voltage?

A. Ammeter
B. Voltmeter
C. Galvanometer
D. Odometer
Answer» C. Galvanometer
13.

Which device is used to check the current?

A. Ammeter
B. Voltmeter
C. Galvanometer
D. Odometer
Answer» B. Voltmeter