Due to which of the following co-efficient of adhesion improves ?

Related Mcqs:

The horsepower of steam locomotives is______________?

A. up to 1500 B. 1500 to 2000 C. 2000 to 3000 D. 3000 to 4000...

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...

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...

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...

An ideal traction system should have_______________?

A. easy speed control B. high starting tractive effort C. equipment capable of with standing large temporary loads D. all of the above...