Heel divergence is
A. Always less than flange-way clearance
B. Equal to flange-way clearance
C. Always greater than flange-way clearance
D. Sometimes greater than flange-way clearance
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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
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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
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The side slope of embankments for a railway track is generally taken as
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Loose jaws of steel trough sleepers are made of
A. cast steel
B. mild steel
C. cast iron
D. spring steel
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For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is
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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
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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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If α is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by
A. 2 1 cot ( 2 α )
B. cot ( 2 α )
C. cot ( α )
D. 2 1 cosec ( 2 α )
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Which one of the following rail failures is caused by loose fish bolts at expansion joints?
A. crushed head
B. angular break
C. split head
D. transverse fissures
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The main function of a fish plate is
A. To join the two rails together
B. To join rails with the sleeper
C. To allow rail to expand and contract freely
D. None of the above
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For a sleeper density of (n+5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is
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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?
A. 15.0 tonnes
B. 22.5 tonnes
C. 45.0 tonnes
D. 90.0 tonnes
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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
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The correct relation between curve lead (CL), switch lead (SL) and lead of crosssing (L) is given by
A. CL = L - SL
B. L = CL - SL
C. SL = L + CL
D. L = 2 CL + SL
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The object of providing a point lock is
A. to ensure that each switch is correctly set
B. to ensure that the point may not be operated while the train is on it
C. to detect any obstruction between and tongue rail
D. none of the above
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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
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The height of the rail for 52 kg rail section is
A. 143 mm
B. 156 mm
C. 172 mm
D. 129mm
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Head width of 52 kg rail section is
A. 61.9 mm
B. 66.7 mm
C. 67 mm
D. 72.33 mm
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Largest percentage of material in the rail is in its
A. head
B. web
C. foot
D. head and foot both
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