Electrical Engineering Questions And Answers :: Electric Traction: part1

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Electrical Engineering : Electric Traction QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The efficiency of diesel locomotives is nearly

20 to 25 percent
30 to 40 percent
45 to 55 percent
60 to 70 percent

2.Which of the following is the voltage for single phase A.C. system ?

22 V
440 V
5 kV
15 kV

3.For diesel locomotives the range of horsepower is

50 to 200
500 to 1000
1500 to 2500
3000 to 5000

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

Regenerative braking on electric locomotives
Vacuum braking on diesel locomo-tives
Vacuum braking on steam locomo-tives
All braking systems are equally costly

5.Automatic signalling is used for which of the following trains ?

Mail and express trains
Superfast trains
Suburban and Urban electric trains
All trains

More Electric Traction QUESTIONS AND ANSWERS available in next pages

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