Civil Engineering - Railways

Exercise :: Railways - Section 3

11. 

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

A. it requires less number of rail fastenings
B. it provides smooth running of trains
C. it involves less maintenance cost
D. it provides conform to passengers
E. all the above.

Answer: Option E

Explanation:

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12. 

Widening of gauge is provided if degree of the curve, is

A. 3° or less
B. 3° to
C. more than
D. none of these.

Answer: Option C

Explanation:

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13. 

Continuity of electric current across welded rail joints, is maintained by

A. welding ends of a wire to each rail
B. placing an insulated plate underneath the rails
C. placing insulation in expansion gaps
D. none of these.

Answer: Option D

Explanation:

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14. 

Sand may be used as ballast for

A. wooden sleepers
B. steel sleepers
C. cast iron sleepers
D. all the above.

Answer: Option C

Explanation:

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15. 

Cast iron sleeper, is

A. pot sleeper
B. box sleeper
C. Duplex sleeper
D. plate sleeper
E. All the above.

Answer: Option E

Explanation:

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