MCQs of Unit 1 : Geometric design of railway track (Railway and Airport Engineering - 3170619)

Railway and Airport Engineering (3170619) MCQs

MCQs of Unit 1 : Geometric design of railway track

Showing 21 to 30 out of 41 Questions

21.

Pandrol clips cannot be used with

(a)	Wooden sleepers
(b)	Concrete sleepers
(c)	CST-9 sleepers
(d)	Steel trough sleepers

22.

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)	None of these

23.

Creep is the

(a)	Longitudinal movement of rail
(b)	Lateral movement of rail
(c)	Vertical movement of rail
(d)	Difference in level of two rails

24.

Composite sleeper index is the index of

(a)	Hardness and strength
(b)	Strength and toughness
(c)	Toughness and wear resistance
(d)	Wear resistance and hardness

25.

The place where a railway line and a road cross each other at the same level, is known as

(a)	Cross over
(b)	Railway junction
(c)	Road junction
(d)	Level crossing

26.

Degree of a railway curve is defined as number of degrees subtended at the center of a curve by an arc of

(a)	10 m
(b)	20 m
(c)	30.5 m
(d)	25 m

27.

For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is

(a)	18
(b)	19
(c)	20
(d)	21

28.

The desirable rate of change of cant deficiency in case of Broad gauge/ Metre Gauge track is

(a)	35 mm/sec
(b)	20 mm/sec
(c)	55 mm/sec
(d)	65 mm/sec

29.

The main advantage of a cement concrete sleeper, is:

(a)	Its heavy weight which improves the track modulus
(b)	Its capacity to maintain gauge
(c)	Its suitability for track circuiting
(d)	All the above

30.

In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of

(a)	1 in 257
(b)	1 in 357
(c)	1 in 457
(d)	1 in 512

Showing 21 to 30 out of 41 Questions