electrical

Electric Traction MCQ Questions and Answers Page - 1

1.

Which of the following is an advantage of electric traction over methods of traction?

Answer/ Hint      

Answer : D

Explanation :

2.

Which of the following is the voltage for single phase Ac system?

Answer/ Hint      

Answer : D

Explanation :

3.

Long distance railways use which of the following?

Answer/ Hint      

Answer : B

Explanation :

4.

The speed of a locomotive is controlled by

Answer/ Hint      

Answer : D

Explanation :

5.

Main traction systems used in India are, those using

Answer/ Hint      

Answer : D

Explanation :

6.

In India diesel locomotives are manufactured at

Answer/ Hint      

Answer : B

Explanation :

7.

For diesel locomotives the range of horsepower is

Answer/ Hint      

Answer : C

Explanation :

8.

__________   locomotive has the highest operational availability.

Answer/ Hint      

Answer : A

Explanation :

9.

The horsepower of steam locomotives is

Answer/ Hint      

Answer : A

Explanation :

10.

The overall efficiency of steam locomotive is around

Answer/ Hint      

Answer : A

Explanation :

11.

In tramways which of the following motors is used?

Answer/ Hint      

Answer : B

Explanation :

12.

In a steam locomotive electric power is provided through

Answer/ Hint      

Answer : C

Explanation :

13.

Which of the following drives is suitable for mines where explosive gas exists?

Answer/ Hint      

Answer : C

Explanation :

14.

In case of locomotives the tractive power is provided by

Answer/ Hint      

Answer : C

Explanation :

15.

Overload capacity of diesel engines is usually restricted to

Answer/ Hint      

Answer : B

Explanation :

16.

In case of steam engines, the steam pressure is

Answer/ Hint      

Answer : C

Explanation :

17.

The steam engine provided on steam locomotives is

Answer/ Hint      

Answer : D

Explanation :

18.

Electric locomotives in India are manufactured at

Answer/ Hint      

Answer : C

Explanation :

19.

The wheels of a train, engine as well as bogies, are slightly tapered to

Answer/ Hint      

Answer : D

Explanation :

20.

Automatic signalling is used for which of the following trains?

Answer/ Hint      

Answer : C

Explanation :

21.

The efficiency of diesel locomotives is nearly

Answer/ Hint      

Answer : A

Explanation :

22.

The speed of a superfast train is

Answer/ Hint      

Answer : D

Explanation :

23.

The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to

Answer/ Hint      

Answer : D

Explanation :

24.

Which of the following state capitals is not on broad gauge track?

Answer/ Hint      

Answer : C

Explanation :

25.

Which of the following is the advantage of electric braking?

Answer/ Hint      

Answer : A

Explanation :

26.

Which of the following braking systems on the locomotives is costly?

Answer/ Hint      

Answer : A

Explanation :

27.

Tractive effort required to

Answer/ Hint      

Answer : D

Explanation :

28.

For given maximum axle load tractive efforts of AC locomotive will be

Answer/ Hint      

Answer : B

Explanation :

29.

Co-efficient of adhesion reduces due to the presence of which of the following?

Answer/ Hint      

Answer : D

Explanation :

30.

Due to which of the following co-efficient of adhesion improves?

Answer/ Hint      

Answer : D

Explanation :

31.

Quadrilateral speed-time curve pertains to which of the following services?

Answer/ Hint      

Answer : D

Explanation :

32.

Which of the following is the disadvantage of electric traction over other systems of traction?

Answer/ Hint      

Answer : D

Explanation :

33.

Co-efficient of adhesion is

Answer/ Hint      

Answer : B

Explanation :

34.

Speed-time curve of main line service differs from those of urban and sub-urban services on following account

Answer/ Hint      

Answer : D

Explanation :

35.

The rate of acceleration on suburban or urban services is restricted by the consideration of

Answer/ Hint      

Answer : C

Explanation :

36.

The specific energy consumption of a train depends on which of the following?

Answer/ Hint      

Answer : D

Explanation :

37.

The friction at the track is proportional to

Answer/ Hint      

Answer : C

Explanation :

38.

The air resistance to the movement of the train is proportional to

Answer/ Hint      

Answer : B

Explanation :

39.

The normal value of adhesion friction is

Answer/ Hint      

Answer : B

Explanation :

40.

The pulsating torque exerted by steam locomotives causes which of the following?

Answer/ Hint      

Answer : A

Explanation :

Electric Traction MCQ Questions and Answers Page - 1
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