Railway Engineering

211. The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be

1. 26.41
2. 19.81
3. 13.21
4. 6.61

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212. The main advantage of a cement concrete sleeper, is:

1. Its heavy weight which improves the track modulus
2. Its capacity to maintain gauge
3. Its suitability for track circuiting
4. All the above

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213. The main advantage of a long rail over short one, is

1. It requires less number of rail fastenings
2. It provides smooth running of trains
3. It involves less maintenance cost
4. All the above

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214. The main function of a fish plate is

1. To join the two rails together
2. To join rails with the sleeper
3. To allow rail to expand and contract freely
4. None of the above

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215. The main function of sleepers, is

1. To support rails
2. To hold rails at correct gauge
3. To distribute load from the rails to ballast
4. All the above

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216. The maximum degree of curvature for Meter Gauge is limited to

1. 10°
2. 16°
3. 30°
4. 40°

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217. The nominal size of ballast used for points and crossings is

1. 25 mm
2. 40 mm
3. 50 mm
4. 10 mm

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218. The object of providing a point lock is

1. To ensure that each switch is correctly set
2. To ensure that the point may not be operated while the train is on it
3. To detect any obstruction between and tongue rail
4. None of the above

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219. The overall length of a turn out is the distance between the end of stock rail and

1. Heel of crossing
2. Actual nose of crossing
3. Throat of crossing
4. Toe of crossing

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220. The place where a railway line and a road cross each other at the same level, is known as

1. Cross over
2. Railway junction
3. Road junction
4. Level crossing

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