1. On Indian Railways standard length of rails for B.G. track, is
Correct : D. 42 ft (12.8 m)
2. Wing rails are provided
Correct : D. in crossing
3. The side slope of embankments for a railway track is generally taken as
Correct : C. 2 : 1
4. If S and H are strength and hardness index of a timber at 12% moisture content, the composite
sleeper index, is
Correct : B. (s + 10h)/20
5. If D is the distance between parallel tracks G
between theoretical noses of two crossings measured parallel to tracks, is
Correct : A. (d - g - g )
6. Minimum composite sleeper index prescribed on Indian Railways for a track sleeper is
Correct : B. 783
7. To achieve best performance, the type of switch preferred to, is
Correct : C. overriding switch
8. On B.G. tracks the distance of outer signal from station limit is kept
Correct : D. 540 m
9. The limiting value of cant deficiency for Meter Gauge routes is
Correct : B. 50 mm
10. The weight of the rails depends upon
Correct : D. all the above
11. The main advantage of a long rail over short one, is
Correct : D. all the above
12. Rail section first designed on Indian railways, was
Correct : A. double headed
13. The lengths of the standard crossings in India for Broad gauge and Metre gauge tracks is same for
Correct : A. 1 in 8½ b.g. and, in 12 m.g.
14. For the purpose of track maintenance, the number of turn out equivalent to one track km is
Correct : D. 10
15. Dimensions of a plate girder are:
Correct : C. 851 mm × 254 mm
16. The check rails are placed opposite the crossing so that
Correct : C. its two-third length is ahead of the nose of crossing
17. Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than
Correct : D. 8°
18. Largest percentage of material in the rail is in its
Correct : A. head
19. The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The size of the
crossing is
Correct : B. 1 in 8½
20. Packing of ballast is done
Correct : C. under sleepers
21. The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail
is kept as
Correct : D. 19 mm
22. The rail section which is not used on Indian Broad Gauge tracks, is
Correct : B. 40 r
23. In a diamond crossing, numbers of noses are
Correct : D. 6
24. Number of cotters used in CST-9 sleepers is
Correct : C. 4
25. In Indian railways, plate laying is usually done by
Correct : B. telescopic method
26. The angle between the gauge faces of the stock rail and tongue rail, is called
Correct : A. switch angle
27. In permanent way, ballast
Correct : D. all the above
28. Which of the following devices is used to transfer the wagons or locomotives to and from parallel
tracks without any necessity of shunting?
Correct : C. traverser
29. If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505
m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is
Correct : A. 0.065 m
30. Spacing of sleepers
Correct : C. at the middle of rails, is kept closer
31. Distance between the inner rail and check rail provided on sharp curve, is
Correct : C. 44 mm
32. 30 m long rails are used in
Correct : D. u.s.a.
33. The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the
hauling capacity due to 3 pairs of driving wheels will be
Correct : C. 13.21
34. Overall depth of a dog spike, is
Correct : A. 120.6 mm
35. To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and
Correct : D. four keys
36. 52 kg rails are mostly used in
Correct : A. broad gauge
37. Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board
Gauge track, is
Correct : C. 132 km/hour
38. Widening of gauge is provided if degree of the curve, is
Correct : C. more than 4½°
39. The height of the rail for 52 kg rail section is
Correct : B. 156 mm
40. The life of a wooden sleeper depends upon
Correct : D. all the above
41. Anti-creep anchors are fixed to rails by
Correct : D. all the above
42. Composite sleeper index determines
Correct : B. suitability of wooden sleepers
43. If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose
of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is
Correct : A. g
44. Loose jaws of steel trough sleepers are made of
Correct : D. spring steel
45. Regional Indian railways use different types of sleepers according to their
Correct : D. all the above
46. In Indian railways, the ratio of axle load and weight of rail, is
Correct : C. 512
47. Maximum value of 'throw of switch' for Broad Gauge track is
Correct : D. 115 mm
48. Top surface of steel sleepers, is
Correct : B. provided a cant of 1 in 20 inward
49. If D
distance between the noses of crossing measured parallel to the main track, is
Correct : B. d
50. Metal sleepers are superior to wooden sleepers with respect to
Correct : B. life
51. Charles Blacker Vignoles invented the flat footed rails in
Correct : B. 1836
52. A triangle of railway consists of
Correct : C. two turn outs and one split
53. A treadle bar is used for
Correct : A. interlocking points and signal
54. If L is length of a rail and R is the radius of a curve, the versine h for the curve, is
Correct : C. h = l²/8r
55. For metal sleepers with rounded edges, maximum size of ballast, is
Correct : B. 40 mm
56. Head width of 52 kg rail section is
Correct : C. 67 mm
57. Rail joint supported on a single sleeper, is known
Correct : C. supported rail joint
58. Each block of a two-block concrete sleeper is
Correct : A. 722 mm × 295 mm × 271 mm and 215 kg in weight
59. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted
on Indian Railways is
Correct : C. 10.21 m
60. Arrangement made to divert the trains from one track to another, is known as
Correct : C. turnout
61. The standard dimensions of a wooden sleeper for a B.G. railway track are
Correct : A. 2.74 m × 25 cm × 13 cm
62. The limiting value of cant excess for Broad Gauge is
Correct : C. 75 mm
63. Indian Railways detects the rail flow by
Correct : D. kraut kramer rail flow detector
64. The gradient on which an additional engine is required to negotiate the gradient, is called
Correct : B. pusher gradient
65. If D is distance between centres of two parallel tracks of gauge G with entire curved leads and
equal angles of crossing, total length of crossover, is
Correct : A. d (4r - 2g - d)]
66. Which of the following mechanical devices is used to ensure that route cannot be changed while
the train is on the point even after putting back the signal?
Correct : C. iock bar
67. Pot sleepers are used if degree of the curve does not exceed
Correct : A. 4°
68. Burnettising is done for the preservation of
Correct : A. wooden sleepers
69. A kink is made in stock rails, ahead of the toe of switch at a distance of
Correct : B. 15 cm
70. Rails are fixed on steel sleepers
Correct : C. by keys in lugs or jaws
71. Largest dimension of a rail is its
Correct : A. height
72. The rail section which is not used on Indian metre gauge tracks, is
Correct : D. 40 r
73. Advantage of automatic signalling, is:
Correct : D. all the above
74. For developing thinly populated areas, the correct choice of gauge is
Correct : C. narrow gauge
75. Coning of wheels
Correct : D. all the above
76. An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is
Correct : D. 3°
77. Standard size of wooden sleeper for Broad Gauge track is
Correct : A. 275 × 25 × 13 cm
78. By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by
Correct : C. 3.2 mm
79. The main function of sleepers, is
Correct : D. all the above
80. The limiting value of cant gradient for all gauges is
Correct : B. 1 in 720
81. The spike commonly used to fix rails to wooden sleepers in Indian railways, is
Correct : D. all the above
82. Track construction involves preparation of
Correct : D. all the above
83. According to Indian Railway Board, no diamond crossing should be flatter than
Correct : B. 1 in 8½
84. Smith diamond is provided if the angle of diamond is less than
Correct : C. 6°
85. 60 R rails are mostly used in
Correct : B. metre gauge
86. A welded rail joint is generally
Correct : C. suspended
87. If the standard length of a crossing is 480 cm, the number of crossing is
Correct : C. both (a) and (b)
88. Width of ballast section for Broad Gauge is
Correct : C. 3.35 m
89. Minimum length of a transition curve required for
Correct : D. all the above
90. For points and crossings, maximum size of ballast, is
Correct : D. 25 mm
91. Which of the following methods of designation of crossing is mostly used in India?
Correct : B. right angle method
92. For calculating the length of curve lead (C.L.), the correct formula is
Correct : D. all the above
93. In a railway track, permissible gauge with tolerance under loaded condition, is
Correct : B. g + 1.5 mm
94. Yellow light-hand signal indicates
Correct : C. proceed cautiously
95. The first Indian railway was laid in
Correct : D. 1853
96. Sand may be used as ballast for
Correct : C. cast iron sleepers
97. What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
Correct : A. 28.49 m
98. A scissors cross-over consists of
Correct : C. four pairs of points, six acute angle crossings and two obtuse angle crossings
99. The effective bearing area of all types of sleepers, is
Correct : D. 0.46 m2
100. The cross-sectional area of 52 kg flat footed rail is