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 2024 and IES 2024 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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