Railway Engineering

151. On Indian Railways, the approximate weight of a rail section is determined from the formula

  1. Weight of the rail/axial load of locomotive = 1/10
  2. Weight of the rail/axial load of locomotive = 1/410
  3. Weight of the rail/axial load of locomotive = 1/510
  4. Weight of the rail/axial load of locomotive = 1/610

Correct answer: (C)
Weight of the rail/axial load of locomotive = 1/510

152. On single rail track, goods train loaded with heavy iron meterial run starting from 'A' to 'B' and then empty wagons run from 'B' to ''A. The amount of creep in the rails:

  1. Will be more in the direction of B to A
  2. Will be more in the direction of A to B
  3. Will be maximum at the middle of A and B
  4. Cannot be determined from the given data

Correct answer: (B)
Will be more in the direction of A to B

153. One degree of curve is equivalent to

  1. 1600/R
  2. 1700/R
  3. 1750/R
  4. 1850/R
    Where 'R' is the radius of curve in meters

Correct answer: (C)
1750/R

154. Ordinary rails are made of

  1. Mild steel
  2. Cast iron
  3. Wrought iron
  4. High carbon steel

Correct answer: (D)
High carbon steel

155. Overall depth of a dog spike, is

  1. 120.6 mm
  2. 155.90 mm
  3. 135 mm
  4. 150 mm

Correct answer: (A)
120.6 mm

156. Packing of ballast is done

  1. Near the ends of sleepers
  2. On the shoulders
  3. Under sleepers
  4. Between two rails

Correct answer: (C)
Under sleepers

157. Pandrol clips cannot be used with

  1. Wooden sleepers
  2. Concrete sleepers
  3. CST-9 sleepers
  4. Steel trough sleepers

Correct answer: (C)
CST-9 sleepers

158. Pick up the correct statement from the following:

  1. An extra width of 7.5 cm ballast is provided on outside a curve if track is laid with short welded rails
  2. An extra width of 7.5 cm ballast is provided on outside a curve sharper than 3° on B.G. and M.G. tracks
  3. An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails
  4. All the above

Correct answer: (D)
All the above

159. Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided

  1. To the tops of rails
  2. At rail seats in bearing plates
  3. At rail seats in chairs
  4. At rail seats in metal sleepers

Correct answer: (A)
To the tops of rails

160. Pick up the incorrect statement from the following:

  1. Sleepers hold the rails at proper gauge on straights
  2. Sleepers provide stability to the permanent way
  3. Sleepers act as an elastic cushion between rails and ballast
  4. None of these

Correct answer: (D)
None of these

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