Railway Engineering Multiple Choice Questions and Answers

81. Sleeper density is M+ 5 in broad gauge route means number of sleepers supporting a rail length is

1. 11
2. 18
3. 25
4. 31

82. Standard gauge is.................wide.

1. 1676 mm
2. 1435 mm
3. 1000 mm
4. 762 mm

83. Standard size of wooden sleeper on broad gauge is

1. 2740 × 250 × 130 mm
2. 1830 × 200 × 110 mm
3. 1520 × 150 × 100 mm
4. 1830 × 150 × 100 mm

84. The adjustment of rails is usually required when creep exceeds

1. 25 mm
2. 50 mm
3. 100 mm
4. 150 mm

85. The ballast material that may cause excessive wear of rail is

1. stone
2. gravel
3. sand
4. cinder

86. The best wood for sleeper is

1. deodar
2. chir
3. sal
4. teak

87. The composite sleeper index determines the suitability of

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

88. The composite sleeper index is the index of

1. hardness and wear resistance
2. toughness and wear resistance
3. strength and hardness
4. strength and toughness

89. The desirable gradient in a station yard is

1. 1 in 400
2. 1 in 600
3. 1 in 800
4. 1 in 1000

90. The device used to move wagons sideway from one track to another track is

1. turntable
2. triangle
3. traverse
4. buffer stop