Railway Engineering MCQ Quiz - Multiple Choice Questions & Answers Page 4

31. For summit curve, the rate of change of gradients permitted is

1. 0.01%
2. 0.75%
3. 0.10%
4. 0.15%

32. Gauge is the distance between.............. of rails of track.

1. centre to centre
2. inner edge to edge between top edges
3. outer edge to edge distance
4. inner edge to edges between bottom edges

33. Head width of 52 R flat footed rail is

1. 61.2 mm
2. 64 mm
3. 67 mm
4. 70 mm

34. Heaviest sleeper is

1. wooden sleeper
2. steel sleeper
3. cast iron sleeper
4. concrete sleeper

35. If sufficient expansion joint gap is not provided or the joint is very tight the rail may

1. tilt
2. hogg
3. develop corrugation
4. buckle

36. In a shunting signal if the red band is at 45°, it indicates

1. stop
2. proceed
3. proceed cautiously
4. none of the above

37. In A-class block stations outer signal is provided at a distance.................on broad gauge stations.

1. 240 m
2. 340 m
3. 440 m
4. 540 m

38. In automatic block system of signalling the block length is

1. from station to next station
2. 15 to 20 km
3. 10 to 15 km
4. 5 to 7 km

39. In automatic block system when a train is in a block it puts the danger signal till the train movesover

1. that block
2. one more block
3. two more signals
4. none of the above

40. In broad gauge lines height of platform above the rails should be

1. 0.23 m to 0.41 m
2. 0.31 m to 0.41 m
3. 0.76 m to 0.84 m
4. 0.86 m to 0.96 m