Correct : C. always greater than flange-way clearance
3. Stretcher bar is provided
Correct : B. to maintain the two tongue rails at the exact distance
4. Cant deficiency occurs when a vehicle travels around a curve at
Correct : B. speeds higher than equilibrium speed
5. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
Correct : D. round spike
6. Flat mild steel bearing plates are used
Correct : A. for points and crossings in the lead portion
7. Composite sleeper index is the index of
Correct : A. hardness and strength
8. Staggered joints are generally provided
Correct : A. on curves
9. Creep is the
Correct : A. longitudinal movement of rail
10. Due to battering action of wheels over the end of the rails, the rails get bent down and are
deflected at ends. These rails are called
Correct : B. hogged rails
11. The main function of a fish plate is
Correct : A. to join the two rails together
12. The purpose of providing fillet in a rail section is to
Correct : C. avoid the stress concentration
13. Two important constituents in the composition of steel used for rail are
Correct : C. carbon and manganese
14. Flange-way clearance is the distance
Correct : A. between the adjoining faces of the running rail and the check rail near the crossing
15. Which of the following types of sleepers is preferred on joints?
Correct : C. wooden sleeper
16. Total effective bearing area of both the bowls of a pot sleeper, is
Correct : C. equal to that of a wooden sleeper
17. Pick up the incorrect statement from the following:
Correct : D. none of these
18. On Indian Railways, number of a crossing is defined as
Correct : D. contingent of angle of crossing
19. Pandrol clips cannot be used with
Correct : C. cst-9 sleepers
20. For providing the required tilt of rails, adazing of wooden sleepers, is done for
Correct : C. flat footed rails
21. If n is length of a rail in metres, the number of sleepers per rail length generally varies from
Correct : C. (n + 3) to (n + 6)
22. Normally maximum cant permissible in Meter Gauge is
Correct : B. 90 mm
23. Type of switch rails generally adopted for modern track, is
Correct : B. curved switch
24. Lead of crossing is the distance from the
Correct : B. heel of the switch to the theoretical nose of the crossing
25. The place where a railway line and a road cross each other at the same level, is known as
Correct : D. level crossing
26. If the stock rails are B.H. rails, the type of switch generally provided, is
Correct : D. straight cut
27. The object of providing a point lock is
Correct : A. to ensure that each switch is correctly set
28. Minimum composite sleeper index for wooden sleepers used in cross-overs, is
Correct : C. 1352
29. The rails get out of their original positions due to insufficient expansion gap. This phenomenon is
known
Correct : B. buckling
30. When semaphore and warner are installed on the same post, then the stop indication is given
when
Correct : A. both arms are horizontal
31. The standard dimensions of a wooden sleeper for M.G. railway track are
Correct : B. 1.83 m × 20 cm × 11 cm
32. To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing
remains at a lower level by
Correct : A. 3 mm
33. Wear of rails is maximum in weight of
Correct : B. sharp curve
34. Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by
an arc of
Correct : D. 30.5 m
35. For even distribution of load through ballast, load dispersal is assumed as
Correct : B. 45° to the vertical
36. For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge
railway track of length 650 m is
Correct : C. 900
37. Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for
Indian railways
Correct : C. 1.676 m as a compromise gauge
38. The distance between theoretical nose of crossing and actual nose of crossing for practical
purposes, is
Correct : B. nose thickness ×
39. The rail is designated by its
Correct : D. weight per unit length
40. Best ballast contains stones varying in size from
Correct : C. 2.0 cm to 5 cm
41. A turn-in-curve is defined as
Correct : C. a reverse curve introduced in continuity of a turn out
42. Ordinary rails are made of
Correct : D. high carbon steel
43. In India the rails are manufactured by
Correct : C. both (a) and (b)
44. Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided
Correct : A. to the tops of rails
45. If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of
grade per chain length is 0.10%, the length of the vertical curve, is
Correct : C. 14 chains
46. Main disadvantage of steel sleepers, is:
Correct : D. all the above
47. For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is
Correct : C. 20
48. Bearing plates are used to fix
Correct : A. flat footed rails to the wooden sleepers
49. On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons
return from B to A daily. Amount of creep of the rails will be
Correct : B. more in the direction a to b
50. The desirable rate of change of cant deficiency in case of Metre Gauge is
Correct : B. 35 mm/sec
51. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
Correct : B. 4 fish bolts
52. If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
Correct : B. 1 in 12
53. Switch angle is the angle between
Correct : A. the gauge face of the stock rail and tongue rail
54. Pick up the incorrect statement from the following:
Correct : B. sleepers act as a non-elastic medium between the rails and ballast
55. On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is
Correct : C. 44.7 to 56.8 kg/m
56. The treadle bar is provided
Correct : B. near and parallel to inner side of one of the rails
57. Heel of crossing is the line joining
Correct : A. ends of splice rail and point rail
58. The main advantage of a cement concrete sleeper, is:
Correct : D. all the above
59. Stock rails are
Correct : C. fitted against tongue rails
60. Continuity of electric current across welded rail joints, is maintained by
Correct : D. none of these
61. The arrangement of rails which permit trains to cross another track and also to divert to the other
track, is called
Correct : C. diamond crossing with double slip
62. On either side of the centre line of rails, a cant of 1 in 20 in the sleeper is provided for a distance of
Correct : C. 175 mm
63. In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on a
gradient of 1 in 250 will have the permissible gradient of
Correct : B. 1 in 357
64. A CST-9 sleeper consists of
Correct : D. all the above
65. Staggered rail joints are generally provided
Correct : A. on curves
66. Pick up the incorrect statement from the following:
Correct : C. fish plates fit the web of the rail section
67. Pick up the correct statement from the following:
Correct : D. all the above
68. Fish plate is in contact with rail at
Correct : B. fishing plane
69. In railways a triangle is mainly provided for
Correct : C. changing direction of engines through 180°
70. Minimum gradient in station yards is generally limited to
Correct : D. zero
71. The formation width for a single line meter gauge track in embankment as adopted on Indian
Railways is
Correct : B. 4.88 m
72. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 × 13 cm with
75 cm sleeper spacing is
Correct : C. 25 cm
73. The sleepers resting directly on girder are fastened to the top flange of girder by
Correct : A. hook bolts
74. The sleepers which satisfy the requirements of an ideal sleeper, are
Correct : D. wooden sleepers
75. The side of a rail diamond may be obtained by dividing the gauge of track by
Correct : A. sine of acute crossing
76. The standard length of rail for Broad Gauge and Meter Gauge are respectively
Correct : C. 13 m and 12 m
77. Coning of wheels is provided
Correct : D. all the above
78. On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by
Correct : A. cole\s method
79. Ballast packed below and around the sleepers to transfer the load from sleepers to formation,
generally consists of
Correct : D. all the above
80. On Indian Railways, the approximate weight of a rail section is determined from the formula
Correct : C. weight of the rail/axial load of locomotive = 1/510
81. The maximum degree of curvature for Meter Gauge is limited to
Correct : B. 16°
82. The grade compensation on B.G. tracks on Indian Railways, is
Correct : C. 0.04 %
83. The factor for deciding the type of sleeper, is
Correct : D. all the above
84. Number of keys used in CST-9 sleeper is
Correct : A. 2
85. Wheels of a rolling stock are provided flanges on
Correct : B. inner side
86. For inspection and packing of ballast, each pot sleeper is provided with
Correct : B. two holes
87. To design a cross-over between parallel tracks, the required components are:
Correct : B. two switch points, two acute angle crossings and four check rails
88. The standard width of ballast for M.G. track in Indian Railways, is kept
Correct : C. 2.30 m
89. The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by
Correct : B. l =cl - sl
90. Pot sleepers are in the form of
Correct : B. two bowls placed under each rail and connected together with a tie bar
91. Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known
Correct : B. hogging
92. In a shunting signal if the red band is inclined at 45° it indicates
Correct : B. proceed
93. Rail tops of a track are placed
Correct : B. at an inward slope of 1 in 20
94. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the
coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
Correct : B. 22.5 tonnes
95. The type of switch generally used for B.G. and M.G. tracks, is
Correct : C. over riding
96. For an effective administration, Indian railway system has been divided into
Correct : D. nine railway zones
97. If 'A' is the angle formed by two gauge faces, the crossing number will be
Correct : B. cot a
98. Heel divergency, the distance between the running faces of stock rail and gauge face of tongue
rail, as recommended for Indian B.G. tracks, is
Correct : D. 135 mm
99. Pick up the incorrect statement from the following:
Correct : D. all the above
100. Tensile strength of steel used in rails should not be less than