The coasting retardation is around_________________?

Related Mcqs:

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...

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

A. Rust on the rails B. Dust on the rails C. Sand on the rails D. All of the above...

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...

The value of co-efficient of adhesion will be high when rails are_________________?

A. greased B. wet C. sprayed with oil D. cleaned with sand...

________________ frequency is not common in low frequency traction system?

A. 40 Hz B. 25 Hz C. 16 Hz D. non of these...