A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is
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For developing thinly populated areas, the correct choice of gauge is
A. Broad Gauge
B. Meter Gauge
C. Narrow Gauge
D. any of the above
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The slipping of driving wheels of locomotives on the rail surface causes
A. wheel burns
B. hogging of rails
C. scabbing of rails
D. corrugation of rails
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Wear of rails is maximum in weight of
A. tangent track
B. sharp curve
C. tunnels
D. coastal area
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At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
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For a 8° curve track diverging from a main curve of 5° in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and ‘G’ = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)
A. 0.168 cm
B. -0.168 cm
C. 7.432 cm
D. 7.768 cm
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Normally maximum cant permissible in Meter Gauge is
A. 75 mm
B. 90 mm
C. 140 mm
D. 165 mm
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Which of the following turnouts is most commonly used for goods train on Indian Railways?
A. 1 in 8.5
B. 1 in 12
C. 1 in 16
D. 1 in 20
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When semaphore and warner are installed on the same post, then the stop indication is given when
A. both arms are horizontal
B. semaphore arm lowered but warner arm horizontal
C. both semaphore and warner arms lowered
D. none of the above
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Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
A. triangle
B. turntable
C. traverser
D. scotch block
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Dog spikes are used for fixing rail to the
A. wooden sleepers
B. CST-9 sleepers
C. steel trough sleepers
D. concrete sleepers
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Consider the following surveys
i) Reconnaissance survey
ii) Preliminary survey
iii) Traffic survey
iv) Location survey
The correct sequence in which these surveys are conducted before the alignment of a track is finalised is
A. i, iii, ii, iv
B. i, iii, iv, ii
C. iii, i, iv, ii
D. iii, i, ii, iv
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Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
A. 15 cm
B. 20 cm
C. 25 cm
D. 30cm
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Number of dog spikes normally used per rail seat on curved track is
A. one on either side
B. two outside and one inside
C. one outside and two inside
D. two outside and two inside
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The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is
A. 4.27 m
B. 4.88 m
C. 5.49 m
D. 6.10 m
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The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
A. 6.10 m
B. 8.84 m
C. 10.21m
D. 10.82 m
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The shape of transition curve used by Indian Railways is
A. cubic parabola
B. spiral
C. sine curve
D. lemniscate of Bernoulli
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If ‘A’ is the angle formed by two gauge faces, the crossing number will be
A. tan A
B. cot A
C. sec A
D. Arad
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The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be
A. 26.41
B. 19.81
C. 13.21
D. 6.61
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Pandrol clips cannot be used with
A. wooden sleepers
B. concrete sleepers
C. CST-9 sleepers
D. steel trough sleepers
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