Civil Engineering - Railways

Exercise :: Railways - Section 3

31. 

If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is

A. D (4R - 2G - D)
B. D (3R - 2G -D)
C. D (3R + 2G - D)
D. D (4 + 2G - D)

Answer: Option A

Explanation:

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32. 

Pick up the incorrect statement from the following:

A. Ends of adjoining rails should be in true alignment
B. Rail joints should be as strong as the rail section itself
C. Rail joints should be elastic laterally as well as vertically
D. Ends of adjoining rails butt against to give a continuity
E. All the above.

Answer: Option E

Explanation:

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33. 

Staggered rail joints are generally provided

A. on curves
B. on tangents
C. on bridges
D. in tunnels.

Answer: Option A

Explanation:

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34. 

Bull headed rails are generally provided on

A. points and crossing
B. straight tangents
C. curved tracks
D. metre gauge tracks
E. none of these.

Answer: Option A

Explanation:

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35. 

The check rails are placed opposite the crossing so that

A. it is symmetrically placed opposite nose of crossing
B. its one-third length is ahead of the nose of crossing
C. its two-third length is ahead of the nose of crossing
D. its three fourth length is ahead of the nose of crossing.

Answer: Option C

Explanation:

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