Railways - Section 1 (2)

Directions to Solve

Railways - Section 1

Railways is portion of Civil Engineering and in this section you will get all the basic
questions related to railways which you can solve easily.

9.

If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

A.	R sin α
B.	R tan α
C.	R sin α/2
D.	R tan α/2
E.	R cos α/2

Answer: Option D

Explanation:

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10.

Pick up the incorrect statement from the following:

A.	Sleepers hold the rails at proper gauge on straights
B.	Sleepers provide stability to the permanent way
C.	Sleepers act as an elastic cushion between rails and ballast
D.	Sleepers transfer load of moving trains to ballast
E.	None of the these.

Answer: Option E

Explanation:

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11.

Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is

A.	112 km/hour
B.	122 km/hour
C.	132 km/hour
D.	142 km/hour

Answer: Option C

Explanation:

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12.

A welded rail joint is generally

A.	supported on a sleeper
B.	supported on a metal plate
C.	suspended
D.	none of these.

Answer: Option C

Explanation:

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13.

Bearing plates are used to fix

A.	flat footed rails to the wooden sleepers
B.	double headed rails to the wooden sleepers
C.	bull headed rails to the wooden sleepers
D.	flat footed rails to the cast iron sleepers
E.	none of these.

Answer: Option A

Explanation:

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14.

On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is

A.	0.4 mm
B.	0.5 mm
C.	0.7 mm
D.	0.8 mm
E.	1.0 mm

Answer: Option B

Explanation:

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15.

The tread of wheels is provided an outward slope of

A.	1 in 10
B.	1 in 15
C.	1 in 20
D.	1 in 25
E.	1 in 30

Answer: Option C

Explanation:

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16.

Maximum wheel base distance provided on Indian B.G. tracks, is

A.	4.096 m
B.	5.096 m
C.	6.096 m
D.	7.096 m
E.	none of these.

Answer: Option C

Explanation:

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