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Free download in PDF Railway Engineering Short Questions 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.
41
The limiting value of cant deficiency for Meter Gauge routes is
[A]
40 mm
[B]
50 mm
[C]
75 mm
[D]
100 mm
42
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
43
Normally the limiting value of cant is
[A]
G/8
[B]
G/10
[C]
G/12
[D]
G/15
44
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
45
The limiting value of cant excess for Broad Gauge is
[A]
55 mm
[B]
65 mm
[C]
75 mm
[D]
l00 mm
46
The desirable rate of change of cant deficiency in case of Metre Gauge is
[A]
20 mm/sec
[B]
35 mm/sec
[C]
55 mm/sec
[D]
65 mm/sec
47
Pandrol clips cannot be used with
[A]
wooden sleepers
[B]
concrete sleepers
[C]
CST-9 sleepers
[D]
steel trough sleepers
48
Number of cotters used in CST-9 sleepers is
49
Loose jaws of steel trough sleepers are made of
[A]
cast steel
[B]
mild steel
[C]
cast iron
[D]
spring steel
50
Number of keys used in CST-9 sleeper is
[A]
2
[B]
3
[C]
4
[D]
none of the above
51
The sleepers resting directly on girder are fastened to the top flange of girder by
[A]
hook bolts
[B]
dog spikes
[C]
fang bolts
[D]
rail screws
52
The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
[A]
dog spike
[B]
rail screw
[C]
elastic spike
[D]
round spike
53
Width of ballast section for Broad Gauge is
[A]
1.83 m
[B]
2.25 m
[C]
3.35 m
[D]
4.30 m
54
At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
[A]
51
[B]
62
[C]
70
[D]
78
55
The nominal size of ballast used for points and crossings is
[A]
25 mm
[B]
40 mm
[C]
50 mm
[D]
10mm
56
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
Answer: for points and crossings in the lead portion
57
The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
[A]
1 in 250
[B]
1 in 222
[C]
1 in 235
[D]
1 in 275
58
Normally maximum cant permissible in Meter Gauge is
[A]
75 mm
[B]
90 mm
[C]
140 mm
[D]
165 mm
59
Cant deficiency occurs when a vehicle travels around a curve at
[A]
equilibrium speed
[B]
speeds higher than equilibrium speed
[C]
speeds lower than equilibrium speed
[D]
booked speed
Answer: speeds higher than equilibrium speed
60
The compensation for curvature on gradient for Meter Gauge is given by
where R is radius of curve.
[A]
70/R
[B]
52.5/R
[C]
35/R
[D]
105/R
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