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Railway Engineering Quiz | Railway Engineering MCQs and Answers

Questions
81 The height of the center of arm of a semaphore signal above the ground is
A 5.5m
B 6.5 m
C 7.5 m
D 8.5m

Answer: 7.5 m
82 Yellow lighthand signal indicates
A stop
B proceed
C proceed cautiously
D none of the above

Answer: proceed cautiously
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83 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

Answer: both arms are horizontal
84 In a shunting signal if the red band is inclined at 45° it indicates
A stop
B proceed
C proceed cautiously
D none of the above

Answer: proceed
85 For the purpose of track maintenance, the number of turn out equivalent to one track km are
A 1
B 2
C 5
D 10

Answer: 10
86 A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is
A 4
B 8
C 12
D 14

Answer: 8
87 To ensure exact gauge, the gauge tie plates are provided at
A toe of the switch
B nose of crossing
C both (a) and (b)
D none of the above

Answer: both (a) and (b)
88 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.

Answer: will be more in the direction of A to B
89 For laying the railway track, materials required are
A Rails
B Fish Plates
C Fish Bolts
D Bearing Plates

Answer: Fish Plates
90 Which of the following statements regarding ballast materials are correct?
A Brick ballast has poor drainage characteristics.
B Coal ash is not used as ballast with steel or cast iron sleepers.
C Gravel ballast gives better performance on soft formation.
D Sand ballast causes excessive wear on top of rail.

Answer: Sand ballast causes excessive wear on top of rail.
91 Metal sleepers are superior to wooden sleepers with respect to
A cost
B life
C track circuiting
D fastening

Answer: life
92 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

Answer: crushed head
93 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

Answer: -0.168 cm
94 Wear of rails is maximum in weight of
A tangent track
B sharp curve
C tunnels
D coastal area

Answer: sharp curve
95 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

Answer: 22.5 tonnes
96 A treadle bar is used for
A interlocking points and signal
B setting points and crossings
C setting marshalling yard signals
D track maintenance

Answer: interlocking points and signal
97 What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
A 28.49 m
B 21.04 m
C 14.24 m
D 7.45 m

Answer: 28.49 m
98 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

Answer: 13.21
99 In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of
A 1 in 257
B 1 in 357
C 1 in 457
D 1 in 512

Answer: 1 in 357
100 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

Answer: cot A

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