# Civil Engineering - Railways

### Exercise :: Railways - Section 1

16.

Pot sleepers are in the form of

 A. a number of bowls connected together with a tie bar B. two bowls placed under each rail and connected together with a tie bar C. two bowls placed under two rails and the one between the rails D. none of these.

Explanation:

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17.

In railways a triangle is mainly provided for

 A. diverting trains from the main line to branch line B. crossing over between parallel tracks C. changing direction of engines through 180° D. shunting wagons in yards.

Explanation:

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18.

A kink is made in stock rails, ahead of the toe of switch at a distance of

 A. 10 cm B. 15 cm C. 20 cm D. 30 cm

Explanation:

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19.

If L is length of a rail and R is the radius of a curve, the versine h for the curve, is

 A. B. C. D. E.

Explanation:

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20.

Rails are bent to correct curvature if the degree of curve, is more than

 A. 1° B. 2° C. 3° D. 4° E. 6°