The rate of acceleration on suburban orurban service is in the range_________________?

Related Mcqs:

1. The rate of acceleration on suburban orurban services is restricted by the consideration of______________?

   A. Engine power B. Track curves C. Passenger Discomfort D. Track size...

2. Speed-time curve of main line service differs from those of urban and suburban services on following account_______________?

   A. it has longer free running period B. it has longer coasting period C. accelerating and braking periods are comparatively smaller D. all of the above...

3. In main line service as compared to urban and suburban service______________?

   A. distance between the stops is more B. maximum speed reached is high C. acceleration and retardation rates are low D. all of the above...

4. The voltage used for suburban trains in D.C. system is usually_______________?

   A. 12 V B. 24 V C. 220 V D. 600 to 750 V...

5. _______________watt-hours per tonne km is usually the specific energy consumption for suburban services?

   A. 15—20 B. 50—75 C. 120—150 D. 160—200...

6. For which of the following applications motor has to start with high acceleration ?

   A. Oil expeller B. Floor mill C. Lifts and hoists D. Centrifugal pump...

7. Specific energy consumption is least in ________________ service?

   A. main line B. urban C. suburban...

8. The wheels of a train, engine as well as bogies, are slightly tapered to_____________?

   A. reduce friction B. increase friction C. facilitate braking D. facilitate in taking turns...

9. The speed of a superfast train is______________?

   A. 60 kmph B. 75 kmph C. 100 kmph D. more than 100 kmph...

10. For three-phase induction motors which of the following is the least efficient method of speed control ?

    A. Cascade control B. Pole changing C. Rheostat control D. Combination of cascade and pole changing...