Railway Engineering Objective Questions - Set 14 - ObjectiveBooks

Railway Engineering Objective Questions - Set 14

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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