Geometric design of Railway Track MCQ

41. Maximum degree of curvature for B. G. track is

1. 10°
2. 16°
3. 50°
4. 40°

42. Coning of wheels is provided

1. to check lateral movement of wheels
2. to avoid damage to the inner faces of rails
3. to avoid discomfort to passengers
4. all of these

43. Top of rails of a track are placed

1. horizontal
2. at an outward slope of 1 IN 30
3. at an inward slope of 1 IN 20
4. at an outward slope of 1 IN 20

44. According to the railway code formula, the length of transition curve is equal to

1. 1.4 (R)^1/2
2. 2.4(R)^1/2
3. 3.4(R)^1/2
4. 4.4(R)^1/2

45. What is the safe speed on a high speed BG Track with radius, 1750 m and cant 80 mm?

1. 151 kmph
2. 141 kmph
3. 103 kmph
4. 156 kmph

46. The minimum permissible degree of curve for B.G. track in hilly area should be

1. 10°
2. 16°
3. 50°
4. 40°

47. The misalignment of rails due to temperature changes is known as

1. Creeping
2. Buckling
3. Hogging
4. Bulging

48. On a single track, loaded goods trains run from X to Y and these goods trains run empty in the reverse direction. The amount of creep will be

1. zero
2. more in direction from Y to X
3. more in direction from X to Y
4. none of the above

49. What will be the radius of curvature (m) for a transition length for a 3.5 degree curve for a high speed Broad gauge line?

1. 250
2. 450
3. 750
4. 500

50. A turn-table on railways is used for

1. preventing the lateral movement of wheels
2. reversing the direction of the engine
3. reducing the damage to the rails
4. none of the above