A. to ensure that each switch is correctly set
B. to ensure that the point may not be operated while the train is on it
C. to detect any obstruction between and tongue rail
D. none of the above
A. changing the direction of engine
B. transferring wagons to and from parallel tracks without shunting
C. separating all the sidings and shunting lines from main lines
D. preventing the vehicles from running off the track
A. both arms are horizontal
B. semaphore arm lowered but warner arm horizontal
C. both semaphore and warner arms lowered
D. none of the above
A. 1
B. 2
C. 5
D. 10
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
A. crushed head
B. angular break
C. split head
D. transverse fissures
1. They improve the track modulus.
2. They have good scrap value.
3. They render transportation easy.
4. They maintain the gauge quite satisfactorily.Of these statements
A. 1 and 2 are correct
B. 2 and 3 are correct
C. 3 and 4 are correct
D. 1 and 4 are correct
A. 15.0 tonnes
B. 22.5 tonnes
C. 45.0 tonnes
D. 90.0 tonnes
A. I and 2 are correct
B. 3 and 4 are correct
C. 1 and 4 are correct
D. 2 and 3 are correct
A. 975
B. 918
C. 900
D. 880