For the purpose of track maintenance, the number of turn out equivalent to one track km are 1 2 5 10 TRUE ANSWER : ? YOUR ANSWER : ?
The slipping of driving wheels of locomotives on the rail surface causes scabbing of rails corrugation of rails wheel burns hogging of rails TRUE ANSWER : ? YOUR ANSWER : ?
In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of 1 in 457 1 in 257 1 in 357 1 in 512 TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following surveys. 1. Reconnaissance survey 2. Preliminary survey 3. Traffic survey 4. Location survey The correct sequence in which these surveys are conducted before the alignment of a track is finalised is 3,1,2,4 1,3,2,4 3,1,4,2 1,3,4,2 TRUE ANSWER : ? YOUR ANSWER : ?
For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is 975 900 985 963 TRUE ANSWER : ? YOUR ANSWER : ?
When semaphore and warner are installed on the same post, then the stop indication is given when None of these both arms are horizontal both semaphore and warner arms lowered semaphore arm lowered but warner arm horizontal TRUE ANSWER : ? YOUR ANSWER : ?
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called Roaring rails Buckled rails Corrugated rails Hogged rails TRUE ANSWER : ? YOUR ANSWER : ?
Switch angle depends on<br/>i) heel divergence<br/>ii) length of tongue rail<br/>iii) flangeway clearance<br/>iv) throw of switch <br/>The correct answer is (i)and(iv) (i) and (ii) (iii) and (iv) (ii) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
Flat mild steel bearing plates are used On all joints and curves With wooden sleepers at locations where creep is likely to be developed On all the above For points and crossings in the lead portion TRUE ANSWER : ? YOUR ANSWER : ?
The shape of transition curve used by Indian Railways is lemniscate of Bernoulli sine curve cubic parabola spiral TRUE ANSWER : ? YOUR ANSWER : ?