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Free download in PDF Railway Engineering Multiple Choice 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.
(1)
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called
[A]
roaring rails
[B]
hogged rails
[C]
corrugated rails
[D]
buckled rails
(2)
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
(3)
Gauge is the distance between
[A]
center to center of rails
[B]
running faces of rails
[C]
outer faces of rails
[D]
none of the above
Answer: running faces of rails
(4)
Fish plate is in contact with rail at
[A]
web of rail
[B]
fishing plane
[C]
head of rail
[D]
foot of rail
(5)
Number offish bolts per fish plate is
(6)
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
Answer: to join the two rails together
(7)
Ordinary rails are made of
[A]
mild steel
[B]
cast iron
[C]
wrought iron
[D]
high carbon steel
Answer: high carbon steel
(8)
60 R rails are mostly used in
[A]
Broad Gauge
[B]
Metre Gauge
[C]
Narrow Gauge
[D]
none of the above
(9)
Head width of 52 kg rail section is
[A]
61.9 mm
[B]
66.7mm
[C]
67mm
[D]
none of the above
(10)
Tensile strength of steel used in rails should not be less than
[A]
450 MPa
[B]
500 MPa
[C]
700 MPa
[D]
850 MPa
(11)
52 kg rails are mostly used in
[A]
Broad Gauge
[B]
Meter Gauge
[C]
Narrow Gauge
[D]
both (a) and (b)
(12)
The cross-sectional area of 52 kg flat footed rail is
[A]
6155 mm2
[B]
6615 mm2
[C]
7235 mm2
[D]
7825 mm2
(13)
The purpose of providing fillet in a rail section is to
[A]
increase the lateral strength
[B]
increase the vertical stiffness
[C]
avoid the stress concentration
[D]
reduce the wear
Answer: avoid the stress concentration
(14)
Largest percentage of material in the rail is in its
[A]
head
[B]
web
[C]
foot
[D]
head and foot both
(15)
Largest dimension of a rail is its
[A]
height
[B]
foot width
[C]
head width
[D]
any of the above
(16)
The standard length of rail for Broad Gauge and Meter Gauge are respectively
[A]
12 m and 12 m
[B]
12 m and 13 m
[C]
13 m and 12 m
[D]
13 m and 13 m
(17)
Two important constituents in the com-position of steel used for rail are
[A]
carbon and silicon
[B]
manganese and phosphorous
[C]
carbon and manganese
[D]
carbon and sulfur
Answer: carbon and manganese
(18)
The rail is designated by its
[A]
length
[B]
weight
[C]
cross-section
[D]
weight per unit length
Answer: weight per unit length
(19)
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
(20)
The width of foot for 90 R rail section is
[A]
100 mm
[B]
122.2 mm
[C]
136.5 mm
[D]
146.0 mm
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