Discussion
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- Question
Burnettising is done for the preservation of
Options- A. wooden sleepers
- B. rails
- C. ballast
- D. none of these.
- Correct Answer
- wooden sleepers
- 1. 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
- 2. Wing rails are provided
Options- A. near tongue rails
- B. near check rails
- C. near stock rails
- D. in crossing. Discuss
- 3. 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
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. If S is the switch angle and ? is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is
Options- A.
- B.
- C.
- D.
Discuss
- 8. In CPM analysis,
Options- A. emphasis is given to activities
- B. uncertainties are not allowed
- C. activities are represented by arrows
- D. beginning and end of an activity, are denoted by nodes
- E. all the above. Discuss
- 9. PERT analysis is based on
Options- A. optimistic time
- B. pessimistic time
- C. most likely time
- D. all the above. Discuss
- 10. For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
Railways problems
Search Results
Correct Answer: 722 mm x 295 mm x 271 mm and 215 kg in weight
Correct Answer: in crossing.
Correct Answer: buckling
Correct Answer: 25 mm
Correct Answer: Ic = 40 - a - b - c/4
Correct Answer: (n + 3) to (n + 6)
Correct Answer:
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 1
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