RAILWAY ENGINEERING QUIZ

What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?

28.49 m

7.45 m

21.04 m

14.24 m

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Dog spikes are used for fixing rail to the

CST-9 sleepers

concrete sleepers

steel trough sleepers

wooden sleepers

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Head width of 52 kg rail section is

72.33 mm

61.9 mm

66.7 mm

67 mm

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Vertical curves are provided where algebraic difference between grades is equal to or

less than 4 mm/m

less than 2 mm/m

more than 2 mm/m

more than 4mm/m

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The type of spike used for fixing chairs of bull headed rails to wooden sleepers is

Elastic spike

Dog spike

Rail screw

Round spike

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Two important constituents in the composition of steel used for rail are

Manganese and phosphorous

Carbon and sulphur

Carbon and silicon

Carbon and manganese

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Number of switches provided on a Gaunt-letted track is

3

None of these

1

2

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If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by

Vi cot(cc/2)

Vi cosec(a/2)

cot(a)

cot(oc/2)

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Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is

48 cm

15 cm

25 cm

30 cm

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The purpose of providing fillet in a rail section is to

Increase the vertical stiffness

Increase the lateral strength

Reduce the wear

Avoid the stress concentration

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