The resistance encountered by a train in motion is on account of_________________?

Related Mcqs:

For diesel locomotives the range of horsepower is_______________?

A. 50 to 200 B. 500 to 1000 C. 1500 to 2500 D. 3000 to 5000...

Which of the following is the advantage of electric braking ?

A. It avoids wear of track B. Motor continues to remain loaded during braking C. It is instantaneous D. More heat is generated during braking...

For given maximum axle load tractive efforts of AC. locomotive will be_____________?

A. less than that of D.C. locomotive B. more than that of D.C. locomotive C. equal to that of D.C. locomotive D. none of the above...

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

A. Corrosion problems in the under-ground pipe work B. Short time power failure interrupts traffic for hours C. High capital outlay in fixed installations beside route limitation D. Interference with communication lines C. All of the above...

Overhead lines for power supply to tramcars are at a minimum height of______________?

A. 3 m B. 6 m C. 10 m D. 15 m...