Railway Engineering

191. The desirable rate of change of cant deficiency in case of Metre Gauge is

1. 20 mm/sec
2. 35 mm/sec
3. 55 mm/sec
4. 65 mm/sec

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192. The difference in the lengths of two diagonals of a rail diamond is

1. (2G/sin α) x (cos α/2 + sin α/2)
2. (2G/sin α) x (cos α/2 + sin α/2)
3. (2G/sin α) x (sin α/2 + cos α/2)
4. (2G/sin α) x (tan α/2 + cot α/2)

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193. The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is

1. Nose thickness ×
2. Nose thickness ×
3. Nose thickness ×
4. Nose thickness ×

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194. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called

1. Flange-way clearance
2. Heel divergence
3. Throw of the switch
4. None of the above

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195. The effective bearing area of all types of sleepers, is

1. 0.40 m2
2. 0.42 m2
3. 0.44 m2
4. 0.46 m2

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196. The factor for deciding the type of sleeper, is

1. Easy fixing and removal of rails
2. Provision of sufficient bearing area for rails
3. Initial and maintenance costs
4. All the above

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197. The first Indian railway was laid in

1. 1775
2. 1804
3. 1825
4. 1853

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198. The following tests are conducted for rails:
(i) Falling weight test
(ii) Tensile test
(iii) Hammer test
The compulsory tests are

1. Only (i)
2. (i) and (ii)
3. (ii) and (iii)
4. (i) and (iii)

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199. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is

1. 6.10 m
2. 8.84 m
3. 10.21 m
4. 10.82 m

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200. The formation width for a railway track depends on the
(i) Type of gauge
(ii) Number of tracks to be laid side by side
(iii) Slope of sides of embankment or cutting
The correct answer is

1. Only (i)
2. Both (i) and (ii)
3. Both (i) and (iii)
4. (i), (ii) and (iii)

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