Practice Test: Question Set - 14
1. Advantage of automatic signalling, is:
- (A) Increased
safety
- (B) Reduction in
delays
- (C) Increase in
track capacity
- (D) All the
above
2. For developing thinly populated areas, the correct choice of gauge is
- (A) Broad Gauge
- (B) Meter Gauge
- (C) Narrow Gauge
- (D) Any of the above
3. 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
4. An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is
- (A) 6°
- (B) 5°
- (C) 4°
- (D) 3°
5. Standard size of wooden sleeper for Broad Gauge track is
- (A) 275 × 25 × 13 cm
- (B) 180 × 20 × 11.5 cm
- (C) 225 × 23 × 13 cm
- (D) 250 × 26 × 12 cm
6. By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by
- (A) 1.2 mm
- (B) 2.2 mm
- (C) 3.2 mm
- (D) 4.2 mm
7. The main function of sleepers, is
- (A) To support
rails
- (B) To hold
rails at correct gauge
- (C) To
distribute load from the rails to ballast
- (D) All the
above
8. The limiting value of cant gradient for all gauges is
- (A) 1 in 360
- (B) 1 in 720
- (C) 1 in 1000
- (D) 1 in 1200
9. The spike commonly used to fix rails to wooden sleepers in Indian railways, is
- (A) Dog spike
- (B) Screw spike
- (C) Round spike
- (D) All the
above
10. Track construction involves preparation of
- (A) Sub-grade
- (B) Plate laying
- (C) Ballasting
- (D) All the
above
11. Study the following statements regarding creep.
(i) Creep is greater on curves than on
tangent railway track,
(ii) Creep in new rails is more than that in
old rails,
(iii) Creep is more on steep gradients than
on level track.
The correct answer is
- (A) Only (i)
- (B) (i) and (ii)
- (C) (ii) and (iii)
- (D) (i), (ii) and (iii)
12. According to Indian Railway Board, no diamond crossing should be flatter than
- (A) 1 in 6
- (B) 1 in 8½
- (C) 1 in 12
- (D) 1 in 16
13. Smith diamond is provided if the angle of diamond is less than
- (A) 2°
- (B) 4°
- (C) 6°
- (D) 8°
14. 60 R rails are mostly used in
- (A) Broad Gauge
- (B) Metre Gauge
- (C) Narrow Gauge
- (D) None of the above
15. A welded rail joint is generally
- (A) Supported on
a sleeper
- (B) Supported on
a metal plate
- (C) Suspended
- (D) None of
these
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