1. On a Single Rail Track,goods trains loadedwith heavy load material run starting from ‘A’
to ‘B’ and then empty wagon run from ‘B’ to ‘A’.The amount of creep in the rails:
Correct : B. Will be more in the direction of A to B
2. A triangle is used for
Correct : A. Changing the direction of engine
3. Heel divergence is
Correct : C. Always greater than flange-way clearance
4. Stretcher bar is provided
Correct : B. To maintain the two tongue rails at the exact distance
5. Cant deficiency occurs when a vehicle travels around a curve at
Correct : B. Speeds higher than equilibrium speed
6. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
Correct : D. Round spike
7. Flat mild steel bearing plates are used
Correct : A. For points and crossings in the lead portion
8. Composite sleeper index is the index of
Correct : A. Hardness and strength
9. Staggered joints are generally provided
Correct : A. On curves
10. Creep is the
Correct : A. Longitudinal movement of rail
11. 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
12. The main function of a fish plate is
Correct : A. To join the two rails together
13. The purpose of providing fillet in a rail section is to
Correct : C. Avoid the stress concentration
14. Two important constituents in the composition of steel used for rail are
Correct : C. Carbon and manganese
15. Flange-way clearance is the distance
Correct : A. Between the adjoining faces of the running rail and the check rail near the crossing
16. Which of the following types of sleepers is preferred on joints?
Correct : C. Wooden sleeper
17. Total effective bearing area of both the bowls of a pot sleeper, is
Correct : C. Equal to that of a wooden sleeper
18. Pick up the incorrect statement from the following:
Correct : D. None of these
19. On Indian Railways, number of a crossing is defined as
Correct : D. Contingent of angle of crossing
20. Pandrol clips cannot be used with
Correct : C. CST-9 sleepers
21. For providing the required tilt of rails, adazing of wooden sleepers, is done for
Correct : C. Flat footed rails
22. 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)
23. Normally maximum cant permissible in Meter Gauge is
Correct : B. 90 mm
24. Type of switch rails generally adopted for modern track, is
Correct : B. Curved switch
25. Pick up the correct statement from the following:
Correct : D. All the above
26. Lead of crossing is the distance from the
Correct : B. Heel of the switch to the theoretical nose of the crossing
27. The place where a railway line and a road cross each other at the same level, is known as
Correct : D. Level crossing
28. If the stock rails are B.H. rails, the type of switch generally provided, is
Correct : D. Straight cut
29. The object of providing a point lock is
Correct : A. To ensure that each switch is correctly set
30. Minimum composite sleeper index for wooden sleepers used in cross-overs, is
Correct : C. 1352
31. The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known
Correct : B. Buckling
32. When semaphore and warner are installed on the same post, then the stop indication is given when
Correct : A. Both arms are horizontal
33. The standard dimensions of a wooden sleeper for M.G. railway track are
Correct : B. 1.83 m × 20 cm × 11 cm
34. 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
35. Wear of rails is maximum in weight of
Correct : B. Sharp curve
36. Degree of a railway curve is defined as number of degrees subtended at the centre of a
curve by
Correct : D. 30.5 m
37. For even distribution of load through ballast, load dispersal is assumed as
Correct : B. 45° to the vertical
38. 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
39. 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
40. The distance between theoretical nose of crossing and actual nose of crossing for
practical purposes, is
Correct : B. Nose thickness ×
41. The rail is designated by its
Correct : D. Weight per unit length
42. Best ballast contains stones varying in size from
Correct : C. 2.0 cm to 5 cm
43. A turn-in-curve is defined as
Correct : C. A reverse curve introduced in continuity of a turn out
44. Ordinary rails are made of
Correct : D. High carbon steel
45. In India the rails are manufactured by
Correct : C. Both (a) and (b)
46. Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided
Correct : A. To the tops of rails
47. The formation width for a railway track depends on the
(i) Type of gauge
(ii) Number of tracks to be laid side by side
(iii) Slope of sides of embankment or cutting
The correct answer is
Correct : B. Both (i) and (ii)
48. 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
49. Main disadvantage of steel sleepers, is:
Correct : D. All the above
50. For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is
Correct : C. 20
51. Bearing plates are used to fix
Correct : A. Flat footed rails to the wooden sleepers
52. 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
53. The desirable rate of change of cant deficiency in case of Metre Gauge is
Correct : B. 35 mm/sec
54. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
Correct : B. 4 fish bolts
55. If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
Correct : B. 1 in 12
56. Switch angle is the angle between
Correct : A. The gauge face of the stock rail and tongue rail
57. Pick up the incorrect statement from the following:
Correct : B. Sleepers act as a non-elastic medium between the rails and ballast
58. On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is
Correct : C. 44.7 to 56.8 kg/m
59. The treadle bar is provided
Correct : B. Near and parallel to inner side of one of the rails
60. Heel of crossing is the line joining
Correct : A. Ends of splice rail and point rail
61. The main advantage of a cement concrete sleeper, is:
Correct : D. All the above
62. Stock rails are
Correct : C. Fitted against tongue rails
63. Continuity of electric current across welded rail joints, is maintained by
Correct : D. None of these
64. Consider the following statements about concrete sleepers.
1. They improve the track modulus.
2. They have good scrap value.
3. They render transportation easy.
4. They maintain the gauge quite satisfactorily. Of these statements
Correct : D. 1 and 4 are correct
65. 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
66. 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
67. 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
68. A CST-9 sleeper consists of
Correct : D. All the above
69. Staggered rail joints are generally provided
Correct : A. On curves
70. The following tests are conducted for rails:
(i) Falling weight test
(ii) Tensile test
(iii) Hammer test
The compulsory tests are
Correct : B. (i) and (ii)
71. Pick up the incorrect statement from the following:
Correct : C. Fish plates fit the web of the rail section
72. Pick up the correct statement from the following:
Correct : D. All the above
73. Fish plate is in contact with rail at
Correct : B. Fishing plane
74. In railways a triangle is mainly provided for
Correct : C. Changing direction of engines through 180°
75. Minimum gradient in station yards is generally limited to
Correct : D. Zero
76. If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and t
is thickness
Correct : A. sin 1 (d - t/
77. If a is average number of peaks more than 10 mm of unevenness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is
Correct : D. Ic = 40 - a - b - c/4
78. 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
79. 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
Correct : B. 0.5 mm
80. The sleepers resting directly on girder are fastened to the top flange of girder by
Correct : A. Hook bolts
81. The sleepers which satisfy the requirements of an ideal sleeper, are
Correct : D. Wooden sleepers
82. The side of a rail diamond may be obtained by dividing the gauge of track by
Correct : A. Sine of acute crossing
83. The standard length of rail for Broad Gauge and Meter Gauge are respectively
Correct : C. 13 m and 12 m
84. Coning of wheels is provided
Correct : D. All the above
85. On Indian Railways, angle of crossing between gauge faces of Vee, is generally
calculated by
Correct : A. Cole's method
86. Which of the following factors govern the choice of the gauge?
(i) Volume and nature of traffic
(ii) Speed of train
(iii) Physical features of the country
The correct answer is
Correct : D. (i), (ii) and (iii)
87. Ballast packed below and around the sleepers to transfer the load from sleepers to formation, generally consists of
Correct : D. All the above
88. 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
89. The maximum degree of curvature for Meter Gauge is limited to
Correct : B. 16°
90. The grade compensation on B.G. tracks on Indian Railways, is
Correct : C. 0.04 %
91. The factor for deciding the type of sleeper, is
Correct : D. All the above
92. Number of keys used in CST-9 sleeper is
Correct : A. 2
93. Wheels of a rolling stock are provided flanges on
Correct : B. Inner side
94. For inspection and packing of ballast, each pot sleeper is provided with
Correct : B. Two holes
95. The compensation for curvature on gradient for Meter Gauge is given by
Correct : B. 52.5/R
96. 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
97. The standard width of ballast for M.G. track in Indian Railways, is kept
Correct : C. 2.30 m
98. The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by
Correct : B. L =CL - SL
99. Pot sleepers are in the form of
Correct : B. Two bowls placed under each rail and connected together with a tie bar
100. Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known