The friction at the track is proportional to$? – McqOptions

MCQOPTIONS

1.	The friction at the track is proportional to$?
A.	1/speed
B.	1/(speed)¬¨‚â§
C.	Speed
D.	None of the above
Answer» D. None of the above

Discussion

No Comment Found

Related MCQs

Choose the INCORRECT statement with respect to the DC system for railway.
If the designation of Indian Railways locomotive is known as WAM1, then in this the letter W indicates which of the following?
If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?
An ideal traction system should have:
A schedule speed of 45 km/h is required between two stops 1.5 km apart. If the stop is 20 sec duration, what is the actual time of run for the train?
Find the tractive effort required to balance the gravitational pull for the train on an up-gradient as given in the below figure.
Consider the below points:(i) Distance between stops(ii) Acceleration and retardation(iii) Gradient(iv)Train resistanceWhich of the above factors affect the specific energy consumption in trains?
______ braking is used where, load on the motor has very high inertia (e.g in electric trains).
Electric traction in comparison to other traction systems has the advantage(s) of:
In the Kando system of electrical traction, a ________ supply from the sub-station is picked up by the locomotive through the single overhead contact wire.