61.
The desirable gradient in a station yard is
A
1 in 400
B
1 in 600
C
1 in 800
D
1 in 1000
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The desirable gradient in a station yard is
1 in 400
1 in 600
1 in 800
1 in 1000
The composite sleeper index is the index of
hardness and wear resistance
toughness and wear resistance
strength and hardness
strength and toughness
The composite sleeper index determines the suitability of
wooden sleepers
cast iron sleepers
steel sleepers
concrete sleepers
The best wood for sleeper is
deodar
chir
sal
teak
The ballast material that may cause excessive wear of rail is
stone
gravel
sand
cinder
The adjustment of rails is usually required when creep exceeds
25 mm
50 mm
100 mm
150 mm
Standard size of wooden sleeper on broad gauge is
2740 × 250 × 130 mm
1830 × 200 × 110 mm
1520 × 150 × 100 mm
1830 × 150 × 100 mm
Standard gauge is.................wide.
1676 mm
1435 mm
1000 mm
762 mm
Sleeper density is M+ 5 in broad gauge route means number of sleepers supporting a rail length is
11
18
25
31
Size of broken stone ballast used for flat bottom sleepers is
25 mm
32 mm
40 mm
50 mm
Side slopes for embankments is usually
1 vertical to 2 horizontal
1 vertical to 3 horizontal
2 horizontal to 1 vertical
3 horizontal to 1 vertical
Ruling gradient in Indian Railways on hilly areas 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
Requirements of a good sleeper is
provide adequate bearing area for the rails
provide adequate bearing area to the ballast
it should be easy to fix the rails
all the above
Recommended value of heel clearance on broad gauge is
111 mm
122 mm
133 mm
144 mm
Pusher gradient provided in Ghat section between Poona and Mumbai is
1 in 27
1 in 37
1 in 47
1 in 57
Pick up correct statement about bearing plates.
They distribute load from rail on wider area of sleeper.
If one spikes is to be replaced all other spikes are to be removed.
Chances of corrosion is more.
All the above.
On soft formation ballast material preferred is
stone
gravel
sand
cinder
On metre gauge in A-class block station outer signal is provided at a distance.................from station.
300 m
400 m
500 m
600 m
On Indian Railways fish plates are connected to the rails by.................number of fish bolts.
2
4
6
8
On double line BG routes ballast required per kilometre length is
1300 m3
2600 m3
3900 m3
5200 m3