81.
On curves grade compensation provided in broad gauge is
A
0.02%
B
0.03%
C
0.04%
D
0.06%
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On curves grade compensation provided in broad gauge is
0.02%
0.03%
0.04%
0.06%
On broad gauge a sleeper density of M + 4 means, the number of sleepers to be used per kilometre length is
1660
1540
1308
1282
On black cotton soil.................is used as a blanket before regular ballast is provided.
clay
murram
cinder
both b and c
Non-corrosive material applied to rails consist of
red oxide coat
red oxide + zinc chromate coat
red oxide + aluminium coat
red oxide + zinc chlorite + bituminous emulsion
Narrow gauge is adopted where
terrain is hilly
number of river crossings are more
expected revenue earning is low
acquisition of land is difficult
Monoblock concrete sleepers have.................cross section.
square
rectangular
trapezoidal
channel type
Minimum width of platform specified is
3.66 m
4.66 m
5.66 m
6.66 m
Minimum station yard gradient to be provided is
1 in 250
1 in 500
1 in 750
1 in 1000
Minimum depth of ballast prescribed for BG routes is
200 mm
250 mm
300 mm
400 mm
Maximum superelevation on broad gauge, if velocity permitted is 100 kmph is
40 mm
80 mm
120 mm
140 mm
Maximum station yard gradient allowed is
1 in 200
1 in 300
1 in 400
1 in 600
Maximum degree of curve permitted in Indian railways on metre gauge is
10°
15°
20°
40°
Maximum degree of curve permitted in Indian Railways in broad gauge is
10°
15°
20°
25°
Life of steel sleepers is
20 to 30 years
30 to 40 years
40 to 50 years
50 to 60 years
Indian Railways has been divided into
8 zones
10 zones
12 zones
16 zones
Indian Railways are provided with.................of track with steel sleepers.
30%
40%
50%
60%
In urban and suburban stations with heavy traffic, the type of signals preferred are
semaphore type
warner signals
circular hands with bands
colour light signals
In the world longest rails being used is
18 m
20 m
24 m
30 m
In the world Indian Railways is........... number under a single management.
first
second
fourth
fifth
In Indian Railways ruling gradient on plains is
1 in 100 to 1 in 150
1 in 150 to 1 in 200
1 in 200 to 1 in 300
1 in 300 to 1 in 400