Specific energy consumption is affected by which of the following factors ?

Related Mcqs:

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

   A. Acceleration and retardation B. Gradient C. Distance covered D. All of the above...

2. Specific energy consumption becomes________________?

   A. more on steeper gradient B. more with high train resistance C. less if distance between stops is more D. all of the above...

3. Specific energy consumption is least in ________________ service?

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

4. _______________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...

5. Energy consumption in propelling the train is required for which of the following?

   A. Work against the resistance to motion B. Work against gravity while moving up the gradient C. Acceleration D. All of the above...

6. In case of a steam engine an average coal consumption per km is nearly________________?

   A. 150 to 175 kg B. 100 to 120 kg C. 60 to 80 kg D. 28 to 30 kg...

7. The selection of an electric motor for any application depends on which of the following factors ?

   A. Electrical characteristics B. Mechanical characteristics C. Size and rating of motors D. Cost E. All of the above...

8. Which of the following uses electric energy and does not convert it into any other form ?

   A. transformer B. motor C. D.C generator D. A.C generator...

9. A device able to supply electrical energy is a __________?

   A. nonconductor B. battery C. conductor D. microwave...

10. Energy stored in a magnetic field is given by______________?

    A. LI2 B. L2I/2 C. LI2/2 D. IL2...