Geometric design of Railway Track MCQ

31. What is the coefficient of friction of rail surface in a very wet condition?

  1. 1.25
  2. 0.25
  3. 4.0
  4. 3.20
Answer
Answer. b

32. Cant deficiency becomes an inevitable consideration on a main line and branch line moving in

  1. Same direction
  2. Opposite direction
  3. Cross direction
  4. None of the above
Answer
Answer. b

33. The gradient which determines the maximum load that the engine can haul on a section is called

  1. rulling gradient
  2. momentum gradient
  3. pusher gradient
  4. exceptional gradient
Answer
Answer. a

34. For smooth movement of trains, hauling capacity of a locomotive should be more than

  1. tractive effort of a locomotive
  2. sum of various train resistances
  3. total load on driving wheel
  4. total sum of tractive resistances
Answer
Answer. b

35. When a train passes on curves which have no super-elevation it will give thrust on

  1. the inner rail
  2. the outer rail
  3. the side of the inner rail
  4. inner side of the outer rail
Answer
Answer. b

36. In railways, most severe gradient is

  1. gradients of rack railways
  2. pusher gradient
  3. momentum gradient
  4. exceptional gradient
Answer
Answer. b

37. The total angle of deflection of a transition curve is equal to

  1. Spiral angle
  2. Spiral angle/2
  3. Spiral angle/3
  4. Spiral angle/4
Answer
Answer. c

38. A welded rail joint is generally

  1. supported on a sleeper
  2. supported on a metal plate
  3. suspended
  4. none of these
Answer
Answer. c

39. The maximum degree of curvature for Broad gauge is limited to

  1. 10°
  2. 16°
  3. 50°
  4. 40°
Answer
Answer. a

40. The rails are laid without bending at the curve, where the degree of curve is

  1. less than 3°
  2. equal to 3°
  3. 4°
  4. 5°
Answer
Answer. a
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