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Quiz 1
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Q.1
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
6.10 m
8.84 m
10.21m
10.82 m
Q.2
The following tests are conducted for rails:
i) falling weight test
ii) tensile test
iii) hammer test
The compulsory tests are
only (i)
(i)and(ii)
(ii) and (iii)
(i) and (iii)
Q.3
Stretcher bar is provided
To permit lateral movement of the tongue rail
To maintain the two tongue rails at the exact distance
To ensure exact gauge at the toe of the switch as well as the nose of crossing
To prevent any vertical movement between the wing rail and nose of crossing
Q.4
The shape of transition curve used by Indian Railways is
cubic parabola
spiral
sine curve
lemniscate of Bernoulli
Q.5
Two important constituents in the composition of steel used for rail are
Carbon and silicon
Manganese and phosphorous
Carbon and manganese
Carbon and sulphur
Q.6
Composite sleeper index is the index of
Hardness and strength
Strength and toughness
Toughness and wear resistance
Wear resistance and hardness
Q.7
Which of the following methods of designation of crossing is mostly used in India ?
center line method
right angle method
isosceles angle method
none of the above
Q.8
In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of
1 in 357
1 in 257
1 in 457
1 in 512
Q.9
Fish plate is in contact with rail at
web of rail
fishing plane
head of rail
foot of rail
Q.10
52 kg rails are mostly used in
Broad Gauge
Meter Gauge
Narrow Gauge
both (a) and (b)
Q.11
What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
28.49 m
21.04 m
14.24 m
7.45 m
Q.12
The limiting value of cant deficiency for Meter Gauge routes is
40 mm
50 mm
75 mm
100 mm
Q.13
The width of foot for 90 R rail section is
100 mm
122.2 mm
136.5 mm
146.0 mm
Q.14
Switch angle is the angle between
the gauge face of the stock rail and tongue rail
the outer face of the stock rail and tongue rail
the gauge face of the stock rail and outer face of the tongue rail
the outer face of the stock rail and the gauge face of the tongue rail
Q.15
Number of switches provided on a Gaunt-letted track is
1
2
3
none of the above
Q.16
The maximum degree of curvature for Meter Gauge is limited to
10°
16°
30°
40°
Q.17
To ensure exact gauge, the gauge tie plates are provided at
toe of the switch
nose of crossing
both (A) and (B)
none of the above
Q.18
Anti creep bearing plates are provided on
bridges and approaches
joints
both (A) and (B)
none of the above
Q.19
Metal sleepers are superior to wooden sleepers with respect to
cost
life
track circuiting
fastening
Q.20
The compensation for curvature on gradient for Meter Gauge is given by (where R is radius of curve.)
70/R
52.5/R
35/R
105/R
Q.21
Ordinary rails are made of
mild steel
cast iron
wrought iron
high carbon steel
Q.22
60 R rails are mostly used in
Broad Gauge
Metre Gauge
Narrow Gauge
none of the above
Q.23
The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
1 in 250
1 in 222
1 in 235
1 in 275
Q.24
The desirable rate of change of cant deficiency in case of Metre Gauge is
20 mm/sec
35 mm/sec
55 mm/sec
65 mm/sec
Q.25
The limiting value of cant excess for Broad Gauge is
55 mm
65 mm
75 mm
l00 mm
Q.26
The height of the center of arm of a semaphore signal above the ground is
5.5m
6.5 m
7.5 m
8.5m
Q.27
When the rail ends rest on a joint sleeper, the joint is termed as
supported rail joint
suspended rail joint
bridge joint
base joint
Q.28
The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
Dog spike
Rail screw
Elastic spike
Round spike
Q.29
Number offish bolts per fish plate is
2
4
5
6
Q.30
Width of ballast section for Broad Gauge is
1.83 m
2.25 m
3.35 m
4.30 m
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