A treadle bar is used for setting points and crossings setting marshalling yard signals interlocking points and signal track maintenance TRUE ANSWER : ? YOUR ANSWER : ?
Ordinary rails are made of high carbon steel mild steel wrought iron cast iron TRUE ANSWER : ? YOUR ANSWER : ?
The height of the center of arm of a semaphore signal above the ground is 7.5 m 8.5m 6.5 m 5.5m TRUE ANSWER : ? YOUR ANSWER : ?
Number of switches provided on a Gaunt-letted track is 2 1 None of these 3 TRUE ANSWER : ? YOUR ANSWER : ?
Switch angle depends on i) heel divergence ii) length of tongue rail iii) flangeway clearance iv) throw of switch The correct answer is (i)and(iv) (ii) and (iii) (i) and (ii) (iii) and (iv) 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 Corrugated rails Buckled rails Hogged rails TRUE ANSWER : ? YOUR ANSWER : ?
Flat mild steel bearing plates are used On all the above With wooden sleepers at locations where creep is likely to be developed For points and crossings in the lead portion On all joints and curves 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 3,1,4,2 3,1,2,4 1,3,4,2 1,3,2,4 TRUE ANSWER : ? YOUR ANSWER : ?
A triangle is used for Preventing the vehicles from running off the track Changing the direction of engine Separating all the sidings and shunting lines from main lines Transferring wagons to and from parallel tracks without shunting TRUE ANSWER : ? YOUR ANSWER : ?
The formation width for a railway track depends on the i) type of gauge ii) number of tracks to be laid side by side iii) slope of sides of embankment or cutting The correct answer is only (i) both (i) and (ii) (i), (ii) and (iii) both (i) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?