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Free download in PDF Railway Engineering MCQs and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
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
82
Yellow lighthand signal indicates
[A]
stop
[B]
proceed
[C]
proceed cautiously
[D]
none of the above
Answer: proceed cautiously
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
85
For the purpose of track maintenance, the number of turn out equivalent to one track km are
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
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
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
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
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
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
94
Wear of rails is maximum in weight of
[A]
tangent track
[B]
sharp curve
[C]
tunnels
[D]
coastal area
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
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
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
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
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
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