If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?

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...

The speed of a superfast train is______________?

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

The friction at the track is proportional to________________?

A. 1/speed B. l/(speed)2 C. speed D. none of the above...

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

A. resistance offered by air B. friction at the track C. friction at various parts of the rolling stock D. all of the above...

For 25 kV single phase system power supply frequency is_______________?

A. 60 Hz B. 50 Hz C. 25 Hz D. 16 Hz...