27. Rail joint supported on a single sleeper, is known
28. Maximum wheel base distance provided on Indian B.G. tracks, is
29. The tread of wheels is provided an outward slope of
30. On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is
31. Bearing plates are used to fix
32. A welded rail joint is generally
33. Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is
34. If α is switch angle and R is radius of the turnout, the length of the tongue rail, is
35. The quantity of stone ballast required per metre tangent length, is
36. The type of switch generally used for B.G. and M.G. tracks, is
37. Who, amongst the rulers of Southern India, were the contemporaries of kings of the Gupta Empire?
38. For flat bottom sleepers, maximum size of ballast, is
39. Coning of wheels
40. The sleepers which satisfy the requirements of an ideal sleeper, are
41. Arrangement made to divert the trains from one track to another, is known as
42. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
43. Width of the top portion of a flat footed, rail, is
44. For providing the required tilt of rails, adazing of wooden sleepers, is done for
45. The life of a wooden sleeper depends upon
46. The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is
47. Minimum packing space provided between two sleepers, is between
48. The overall length of a turn out is the distance between the end of stock rail and
49. According to Railway Board, no diamond crossing should be flatter than