26. The side slope of embankments for a railway track is generally taken as
a) 1:1
b) 1.5:1
c) 2:1
d) 1:2
Ans: c
27. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
a) 6.10 m
b) 8.84 m
c) 10.21 m
d) 10.82 m
Ans: c
28. The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as
a) 10 mm
b) 13 mm
c) 16 mm
d) 19 mm
Ans: d
29. Creep is the
a) longitudinal movement of rail
b) lateral movement of rail
c) vertical movement of rail
d) difference in level of two rails
Ans: a
30. Anti creep bearing plates are provided on
a) bridges and approaches
b) joints
c) both (a) and (b)
d) none of the above
Ans: d
31. Study the following statements regarding creep.
i) Creep is greater on curves than on tangent railway track,
ii) Creep in new rails is more than that in old rails,
iii) Creep is more on steep gradients than on level track.
The correct answer is
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i), (ii) and (iii)
Ans: b
32. The maximum degree of curvature for Meter Gauge is limited to
a) 10°
b) 16°
c) 30°
d) 40°
Ans: b
33. Staggered joints are generally provided
a) on curves
b) on straight track
c) when two different rail sections are required to be joined
d) none of the above
Ans: a
34. When the rail ends rest on a joint sleeper, the joint is termed as
a) supported rail joint
b) suspended rail joint
c) bridge joint
d) base joint
Ans: a
35. Which of the following types of sleepers is preferred on joints ?
a) CST-9 sleeper
b) steel trough sleeper
c) wooden sleeper
d) concrete sleeper
Ans: c
36. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
a) 15 cm
b) 20 cm
c) 25 cm
d) 30cm
Ans: c
37. Sleeper density in India is normally kept as
a) M + 2 to M + 7
b) MtoM+2
c) M + 5toM+10
d) M
where M is the rail length in meters.
Ans: a
38. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is
a) 18
b) 19
c) 20
d) 21
Ans: c
39. Standard size of wooden sleeper for Broad Gauge track is
a) 275x25x13cm
b) 180x20x11.5 cm
c) 225x23x13 cm
d) 250x26x12 cm
Ans: a
40. Composite sleeper index is the index of
a) hardness and strength
b) strength and toughness
c) toughness and wear resistance
d) wear resistance and hardness
Ans: a
41. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is
a) 552
b) 783
c) 1352
d) 1455
Ans: b
42. Dog spikes are used for fixing rail to the
a) wooden sleepers
b) CST-9 sleepers
c) steel trough sleepers
d) concrete sleepers
Ans: a
43. Number of dog spikes normally used per rail seat on curved track is
a) one on either side
b) two outside and one inside
c) one outside and two inside
d) two outside and two inside
Ans: b
44. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
a) flat mild steel bearing plate
b) mild steel canted bearing plate
c) cast iron anti creep bearing plate
d) none of the above
Ans: b
45. Flat mild steel bearing plates are used
a) for points and crossings in the lead portion
b) with wooden sleepers at locations where creep is likely to be developed
c) on all joints and curves
d) on all the above
Ans: a
46. The nominal size of ballast used for points and crossings is
a) 25 mm
b) 40 mm
c) 50 mm
d) 10mm
Ans: a
47. At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
a) 51
b) 62
c) 70
d) 78
Ans: c
48. Width of ballast section for Broad Gauge is
a) 1.83 m
b) 2.25 m
c) 3.35 m
d) 4.30 m
Ans: c
49. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
a) dog spike
b) rail screw
c) elastic spike
d) round spike
Ans: d
50. The sleepers resting directly on girder are fastened to the top flange of girder by
a) hook bolts
b) dog spikes
c) fang bolts
d) rail screws
Ans: a