Railway Track Laying and Maintenance MCQ

31. The fillet in a rail section is provided to

  1. Increase that vertical stiffness
  2. Increase the Lateral strength
  3. Reduce wear
  4. Avoid stress concentration
Answer
Answer. d

32. Creep in rails causes the following except

  1. The ballast is forced out of place
  2. Rail joints get jammed and prevent expansion of rails
  3. The ride becomes bumpy and uncomfortable
  4. The gauge length remains the same
  5. It becomes difficult to operate switches and interlocking system
Answer
Answer. d

33. The top width of a rail track embankment or bottom width of cutting, excluding the side drains is called as

  1. Gauge offset
  2. Shoulder width
  3. Safe signal distance
  4. Formation width
  5. Track width
Answer
Answer. d

34. Creep of rail is the

  1. longitudinal movement of rail
  2. lateral movement of rail
  3. vertical movement of rail
  4. difference in level of two rails
Answer
Answer. a

35. Creep of rails will be more if

  1. double lines are provided separately for up and down traffic
  2. steam locomotives are used
  3. there are more express trains in a system
  4. wooden sleepers are replaced by steel sleepers
Answer
Answer. a

36. Pandrol Clips are used in which railway tracks?

  1. Bullet train track
  2. Light rail tracks
  3. Ballast-less tracks
  4. Dedicated freight corridor tracks
Answer
Answer. c

37. Which of the following is not a major cause of creep in rails?

  1. Stopping of train
  2. Traffic intensity
  3. Acceleration or deceleration of train
  4. Excessive rains
Answer
Answer. d

38. If a rail track is laid with M+7 sleeper density and if the sleeper spacing is 650 mm and the width of the sleeper is 250, then what will be the minimum depth of ballast cushion?

  1. 200 mm
  2. 250 mm
  3. 150 mm
  4. 300 mm
Answer
Answer. a