Railway Engineering

111. In Indian railways, plate laying is usually done by

1. Side method
2. Telescopic method
3. American method
4. All the above

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112. In Indian railways, the ratio of axle load and weight of rail, is

1. 312
2. 412
3. 512
4. 600

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113. In permanent way, ballast

1. Transfers load from sleepers to the formation
2. Provides an elastic bed to the track
3. Provides a drainage of track
4. All the above

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114. In railways a triangle is mainly provided for

1. Diverting trains from the main line to branch line
2. Crossing over between parallel tracks
3. Changing direction of engines through 180°
4. Shunting wagons in yards

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115. Indian Railways detects the rail flow by

1. Mitsubishi Rail flow dector
2. Soni Rail flow dector
3. Audi-gauge Rail flow detector
4. Kraut Kramer Rail flow detector

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116. Largest dimension of a rail is its

1. Height
2. Foot width
3. Head width
4. Any of the above

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117. Largest percentage of material in the rail is in its

1. Head
2. Web
3. Foot
4. Head and foot both

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118. Lead of crossing is the distance from the

1. Heel of the switch to the toe of the switch
2. Heel of the switch to the theoretical nose of the crossing
3. Toe of the switch to the theoretical nose of crossing
4. Toe of the switch to the actual nose of crossing

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119. Loose jaws of steel trough sleepers are made of

1. Cast steel
2. Mild steel
3. Cast iron
4. Spring steel

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120. Main disadvantage of steel sleepers, is:

1. It gets rusted quickly
2. Its lugs sometimes get broken
3. Its lugs sometimes get split
4. All the above

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