For the purpose of track maintenance, the number of turn out equivalent to one track km are__________________?
(A) 1
(B) 2
(C) 5
(D) 10
Which of the following statements regarding ballast materials are correct ?
(A) Brick ballast has poor drainage characteristics.
(B) Coal ash is not used as ballast with steel or cast iron sleepers.
(C) Gravel ballast gives better performance on soft formation.
(D) Sand ballast causes excessive wear on top of rail
Which one of the following rail failures is caused by loose fish bolts at expansion joints ?
(A) crushed head
(B) angular break
(C) split head
(D) transverse fissures
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
(A) 15.0 tonnes
(B) 22.5 tonnes
(C) 45.0 tonnes
(D) 90.0 tonnes
avoidance of block instruments 4. higher operating cost Of these statements_____________________?
(A) I and 2 are correct
(B) 3 and 4 are correct
(C) 1 and 4 are correct
(D) 2 and 3 are correct
For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is____________________?
(A) 975
(B) 918
(C) 900
(D) 880
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be________________?
(A) 26.41
(B) 19.81
(C) 13.21
(D) 6.61
The shape of transition curve used by Indian Railways is____________________?
(A) cubic parabola
(B) spiral
(C) sine curve
(D) lemniscate of Bernoulli
Stretcher bar is provided________________?
(A) to permit lateral movement of the tongue rail
(B) to maintain the two tongue rails at the exact distance
(C) to ensure exact gauge at the toe of the switch as well as the nose of crossing
(D) to prevent any vertical movement between the wing rail and nose of crossing