Railways problems
- 1. The main advantage of a cement concrete sleeper, is :
Options- A. its heavy weight which improves the track modulus
- B. its capacity to maintain gauge
- C. its suitability for track circuiting
- D. its flat bottom which is very suitable for modern track
- E. all the above. Discuss
Correct Answer: all the above.
- 2. If D is the distance between the parallel sidings and ? is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is
Options- A. D sin ?
- B. D cot ?
- C. D tan ?
- D. D sec ? Discuss
Correct Answer: D cot ?
- 3. Rail tops of a track are placed
Options- A. horizontal
- B. at an inward slope of 1 in 20
- C. at an outward slope of 1 in 20
- D. at an outward slope of 1 in 30
- E. at an inward slope of 1 in 30 Discuss
Correct Answer: at an inward slope of 1 in 20
- 4. A triangle of railway consists of
Options- A. three turn outs
- B. one turn out and two diamonds
- C. two turn outs and one split
- D. one turn out, one split and one diamond. Discuss
Correct Answer: two turn outs and one split
- 5. A turn-in-curve is defined as
Options- A. a curve introduced between two straights
- B. a reverse curve
- C. a reverse curve introduced in continuity of a turn out
- D. a spiral transition curve. Discuss
Correct Answer: a reverse curve introduced in continuity of a turn out
- 6. The side of a rail diamond may be obtained by dividing the gauge of track by
Options- A. sine of acute crossing
- B. consine of acute crossing
- C. tangent of acute crossing
- D. cotangent of acute crossing. Discuss
Correct Answer: sine of acute crossing
- 7. On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons return from B to A daily. Amount of creep of the rails will be
Options- A. zero
- B. more in the direction A to B
- C. more in the direction B to A
- D. none of these. Discuss
Correct Answer: more in the direction A to B
- 8. For metal sleepers with rounded edges, maximum size of ballast, is
Options- A. 50 mm
- B. 40 mm
- C. 30 mm
- D. 25 cm
- E. 20 mm Discuss
Correct Answer: 40 mm
- 9. If the standard length of a crossing is 480 cm, the number of crossing is
Options- A. 1 in
of B.G. - B. 1 in of M.G.
- C. both (a) and (b)
- D. none of these. Discuss
Correct Answer: both (a) and (b)
- 10. Advantage of automatic signalling, is:
Options- A. increased safety
- B. reduction in delays
- C. increase in track capacity
- D. all the above. Discuss
Correct Answer: all the above.
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