Which is the formula for railexcess length which the inner rail gains over outer?

A)

5πG

B)

4πG

C)

2πG

D)

πG

Correct Answer : 2πG

Explanation : The excess length which the inner rail gains over outer rail for a length L of the curve is the difference in circumference of outer and inner rail. It is given by 2πG, where G is the dynamic gauge.

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The life of a wooden sleeper depends upon

A)

quality of its timber

B)

ability to resist decay

C)

resistance to weathering

D)

All of the above

Correct Answer : Option (D) : All of the above

Arrangement made to divert the trains from one track to another, is known as

A)

turnout

B)

railway point

C)

railway crossing

D)

railway junction

Correct Answer : Option (A) : turnout

Minimum packing space provided between two sleepers, is between

A)

20 to 25 cm

B)

25 to 30 cm

C)

30 to 35 cm

D)

35 to 40 cm

Correct Answer : Option (C) : 30 to 35 cm

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