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.Management Sciences
Category: Railway Engineering
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
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A. 15.0 tonnes
B. 22.5 tonnes
C. 45.0 tonnes
D. 90.0 tonnes
Ordinary rails are made of_______________?
A. mild steel
B. cast iron
C. wrought iron
D. high carbon steel
Standard size of wooden sleeper for Broad Gauge track is____________________?
A. 275x25x13cm
B. 180x20x11.5 cm
C. 225x23x13 cm
D. 250x26x12 cm
On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A. The amount of creep in the rails__________________?
A. will be more in the direction of B to A
B. will be more in the direction of A to B
C. will be maximum at the middle of A and B
D. cannot be determined from the given data
The limiting value of cant gradient for all gauges is___________________?
A. 1 in 360
B. 1 in 720
C. 1 in 1000
D. 1 in 1200
Largest percentage of material in the rail is in its__________________?
A. head
B. web
C. foot
D. head and foot both
The width of foot for 90 R rail section is__________________?
A. 100 mm
B. 122.2 mm
C. 136.5 mm
D. 146.0 mm
Vertical curves are provided where algebraic difference between grades is equal to or_________________?
A. less than 2 mm/m
B. more than 2 mm/m
C. less than 4 mm/m
D. more than 4mm/m
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