Railway Engineering

71. For laying the railway track, materials required are

1. Rails
2. Fish-Plates
3. Fish Bolts
4. Bearing Plates
   The quantities required for one kilometer of Broad Gauge track will be

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72. For metal sleepers with rounded edges, maximum size of ballast, is

1. 50 mm
2. 40 mm
3. 30 mm
4. 25 cm

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73. For points and crossings, maximum size of ballast, is

1. 50 mm
2. 40 mm
3. 30 mm
4. 25 mm

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74. For providing the required tilt of rails, adazing of wooden sleepers, is done for

1. Bull headed rails
2. Double headed rails
3. Flat footed rails
4. Any type of rails

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75. For the purpose of track maintenance, the number of turn out equivalent to one track km is

1. 1
2. 2
3. 5
4. 10

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76. Gauge is the distance between

1. Center to center of rails
2. Running faces of rails
3. Outer faces of rails
4. None of the above

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77. Gauge of a permanent way, is

1. Minimum distance between running faces of rails
2. Minimum distance between outer faces of rails
3. Distance between centres of rails
4. Width of formation

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78. Head width of 52 kg rail section is

1. 61.9 mm
2. 66.7 mm
3. 67 mm
4. 72.33 mm

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79. Heel divergence is

1. Always less than flange-way clearance
2. Equal to flange-way clearance
3. Always greater than flange-way clearance
4. Sometimes greater than flange-way clearance

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80. Heel divergency, the distance between the running faces of stock rail and gauge face of tongue rail, as recommended for Indian B.G. tracks, is

1. 100 mm
2. 119 mm
3. 125 mm
4. 135 mm

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