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Quiz 4
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Q.1
The cross-sectional area of 52 kg flat footed rail is
6155 mm²
6615 mm²
7235 mm²
7825 mm²
Q.2
Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
detectors
point lock
iock bar
stretcher bar
Q.3
Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is
552
783
1352
1455
Q.4
The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called
flangeway clearance
heel divergence
throw of the switch
none of the above
Q.5
Maximum value of ‘throw of switch’ for Broad Gauge track is
89 mm
95 mm
100 mm
115 mm
Q.6
The purpose of providing fillet in a rail section is to
Increase the lateral strength
Increase the vertical stiffness
Avoid the stress concentration
Reduce the wear
Q.7
A Broad Gauge branch line takes off as a contrary flexure from a main line If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the superelevation to be actually provided on the branch line will be
10 mm
64 mm
85 mm
65 mm
Q.8
In a shunting signal if the red band is inclined at 45° it indicates
stop
proceed
proceed cautiously
none of the above
Q.9
The nominal size of ballast used for points and crossings is
25 mm
40 mm
50 mm
10mm
Q.10
The standard length of rail for Broad Gauge and Meter Gauge are respectively
12 m and 12 m
12 m and 13 m
13 m and 12 m
13 m and 13 m
Q.11
Normally the limiting value of cant is (where G is the gauge.)
G/8
G/10
G/12
G/15
Q.12
Tensile strength of steel used in rails should not be less than
450 MPa
500 MPa
700 MPa
850 MPa
Q.13
Largest dimension of a rail is its
height
foot width
head width
any of the above
Q.14
The formation width for a railway track depends on the
i) type of gauge
ii) number of tracks to be laid side by side
iii) slope of sides of embankment or cutting
The correct answer is
only (i)
both (i) and (ii)
both (i) and (iii)
(i), (ii) and (iii)
Q.15
Number of keys used in CST-9 sleeper is
2
3
4
none of the above
Q.16
Gauge is the distance between
center to center of rails
running faces of rails
outer faces of rails
none of the above
Q.17
For the purpose of track maintenance, the number of turn out equivalent to one track km are
1
2
5
10
Q.18
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
Roaring rails
Hogged rails
Corrugated rails
Buckled rails
Q.19
First Train in India?
Delhi to Agra, 16th May 1651
Mumbai to Delhi, 23rd June 1748
Hyderabad to Chennai, 10th January 1892
Mumbai to Thane, 16th April 1853
Q.20
The rail is designated by its
Length
Weight
Cross-section
Weight per unit length
Q.21
Gauge is the distance between
center to center of rails
running faces of rails
outer faces of rails
none of the above
Q.22
Creep is the
Longitudinal movement of rail
Lateral movement of rail
Vertical movement of rail
Difference in level of two rails
Q.23
What is a TOC?
Train Operating Company
Terrain Operating Company
Train Operating Carriage
Trams operating company
Q.24
The main function of a fish plate is
To join the two rails together
To join rails with the sleeper
To allow rail to expand and contract freely
None of the above
Q.25
One degree of curve is equivalent to
1600/R
1750/R
1800/R
1900/R
Q.26
Rails are fixed on steel sleepers
By bearing plates
By dog spikes
By keys in lugs or jaws
None of these
Q.27
The runway orientation is made so that landing and take off are
against the wind direction
along the wind direction
perpendicular to wind direction
none of these.
Q.28
Pandrol clips cannot be used with
Wooden sleepers
Concrete sleepers
CST-9 sleepers
Steel trough sleepers
Q.29
The minimum width of clearway is
200m
50m
100m
150m
Q.30
Rail section is generally designated by its
Area of its cross-section
Total weight
Total length
Weight per metre length
0 h : 0 m : 1 s
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