Explore topic-wise MCQs in Automobile Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Field coils in a generator produce permanent magnet.

A. True
B. False
Answer» C.
2.

Which of the following is not an advantage of the alternator?

A. Higher output
B. Lower weight
C. Less maintenance
D. High efficiency
Answer» E.
3.

If the lead-acid cell has a total of 17 cells, then what is the number of positive plates?

A. 9
B. 8
C. 7
D. 6
Answer» C. 7
4.

What is the material of an alternator frame?

A. Cast iron
B. Brass
C. Copper
D. Aluminum
Answer» E.
5.

In an alternator, which component controls the output?

A. Voltage regulator
B. Cutout relay
C. Current regulator
D. Diode
Answer» B. Cutout relay
6.

At the start of the engine, the charging voltage is _______

A. Lower
B. Higher
C. Same
D. Zero
Answer» C. Same
7.

What is the frequency of a vibrating contact type regulator for DC generator?

A. 20 per second
B. 200 per second
C. 200 per minute
D. 20 per minute
Answer» C. 200 per minute
8.

Why is a thermistor used in an alternator regulator?

A. To control maximum current
B. To control maximum voltage
C. To compensate for temperature change
D. To control minimum current
Answer» D. To control minimum current
9.

Which component in alternator produces a magnetic field?

A. Frame
B. Stator
C. Regulator
D. Rotor
Answer» E.
10.

Which component in the DC generator produces a magnetic field?

A. Stator
B. Commutator
C. Armature
D. Carbon brushes
Answer» E.