1) To design a cross-over between parallel tracks, the required components are :

Question

1)

To design a cross-over between parallel tracks, the required components are :

A. two switch, points, two acute angle crossings and two check rails

B. two switch points, two acute angle crossings and four check rails

C. two switch points, two acute angle crossings and six check rails

D. none of these.

2)

Coning of wheels

A. prevent lateral movement of wheels

B. provide smooth running of trains

C. avoid excessive wear of inner faces of rail

D. all the above.

3)

A welded rail joint is generally

A. supported on a sleeper

B. supported on a metal plate

C. suspended

D. none of these.

Explanation / Answer

Ans1) : B

Ans 2): D

Ans 3) C

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