Discussion
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- Question
For points and crossings, maximum size of ballast, is
Options- A. 50 mm
- B. 40 mm
- C. 30 mm
- D. 25 mm
- E. 20 mm
- Correct Answer
- 25 mm
- 1. If a is average number of peaks more than 10 mm of uneveness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is
Options- A. Ic = 10 - a - b - c/4
- B. Ic = 20 - a - b - c/4
- C. Ic = 30 - a - b - c/4
- D. Ic = 40 - a - b - c/4 Discuss
- 2. If D is the distance between parallel tracks G is the gauge and ? is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is
Options- A. (D - G - G sec ?) cot ?
- B. (D - G + G sec ?) cot ?
- C. (D - G - G sec ?) tan ?
- D. (D + G + G sec ?) cot ? Discuss
- 3. In Indian railways, the ratio of axle load and weight of rail, is
Options- A. 312
- B. 412
- C. 512
- D. 600 Discuss
- 4. The effective bearing area of all types of sleepers, is
Options- A. 0.40 m2
- B. 0.42 m2
- C. 0.44 m2
- D. 0.46 m2
- E. 0.50 m2 Discuss
- 5. In a diamond crossing, number of noses are
Options- A. 2
- B. 3
- C. 4
- D. 6 Discuss
- 6. The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known
Options- A. hogging
- B. buckling
- C. creeping
- D. none of these. Discuss
- 7. Wing rails are provided
Options- A. near tongue rails
- B. near check rails
- C. near stock rails
- D. in crossing. Discuss
- 8. Each block of a two-block concrete sleeper is
Options- A. 722 mm x 295 mm x 271 mm and 215 kg in weight
- B. 250 mm x 154 mm x 196 mm and 260 kg in weight
- C. 525 mm x 350 mm x 275 mm and 280 kg in weight
- D. none of these. Discuss
- 9. Burnettising is done for the preservation of
Options- A. wooden sleepers
- B. rails
- C. ballast
- D. none of these. Discuss
- 10. If n is length of a rail in metres, the number of sleepers per rail length generally varies from
Options- A. n to (n + 2)
- B. (n + 2) to (n + 4)
- C. (n + 3) to (n + 6)
- D. (n + 4) to (n + 5) Discuss
Railways problems
Search Results
Correct Answer: Ic = 40 - a - b - c/4
Correct Answer: (D - G - G sec ?) cot ?
Correct Answer: 512
Correct Answer: 0.46 m2
Correct Answer: 6
Correct Answer: buckling
Correct Answer: in crossing.
Correct Answer: 722 mm x 295 mm x 271 mm and 215 kg in weight
Correct Answer: wooden sleepers
Correct Answer: (n + 3) to (n + 6)
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