# Civil Engineering - Railways

### Exercise :: Railways - Section 1

36.

The tread of wheels is provided an outward slope of

 A. 1 in 10 B. 1 in 15 C. 1 in 20 D. 1 in 25 E. 1 in 30

Explanation:

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37.

On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is

 A. 0.4 mm B. 0.5 mm C. 0.7 mm D. 0.8 mm E. 1.0 mm

Explanation:

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38.

Bearing plates are used to fix

 A. flat footed rails to the wooden sleepers B. double headed rails to the wooden sleepers C. bull headed rails to the wooden sleepers D. flat footed rails to the cast iron sleepers E. none of these.

Explanation:

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39.

A welded rail joint is generally

 A. supported on a sleeper B. supported on a metal plate C. suspended D. none of these.

Explanation:

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40.

Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is

 A. 112 km/hour B. 122 km/hour C. 132 km/hour D. 142 km/hour