Q.1
Metal sleepers are superior to wooden sleepers with respect to
  • Cost
  • Life
  • Track circuiting
  • Fastening
Q.2
Standard size of wooden sleeper for Broad Gauge track is
  • 275x25x13 cm
  • 180x20x11.5 cm
  • 225x23x13 cm
  • 250x26x12 cm
Q.3
Tensile strength of steel used in rails should not be less than
  • 450 MPa
  • 500 MPa
  • 700 MPa
  • 850 MPa
Q.4
Head width ofkg rail section is
  • 61.9 mm
  • 66.7 mm
  • 67 mm
  • 72.33 mm
Q.5
Largest dimension of a rail is its
  • height
  • foot width
  • head width
  • any of the above
Q.6
Flat mild steel bearing plates are used
  • For points and crossings in the lead portion
  • With wooden sleepers at locations where creep is likely to be developed
  • On all joints and curves
  • On all the above
Q.7
Pick up the incorrect statement from the following:
  • Sleepers hold the rails at proper gauge on straights
  • Sleepers provide stability to the permanent way
  • Sleepers act as an elastic cushion between rails and ballast
  • None of these
Q.8
The gradient on which an additional engine is required to negotiate the gradient, is called
  • momentum gradient
  • pusher gradient
  • ruling gradient
  • steep gradient.
Q.9
A treadle bar is used for
  • interlocking points and signal
  • setting points and crossings
  • setting marshalling yard signals
  • track maintenance
Q.10
What is Permanent way?
  • It is the path of immense strength
  • In short, it is combination of rails, sleepers, ballast and subgrade fitted together
  • Very strong railway of high tensile and compressive strength
  • there is no such thing
Q.11
Which one of the following rail failures is caused by loose fish bolts at expansion joints?
  • crushed head
  • angular break
  • split head
  • transverse fissures
Q.12
The nominal size of ballast used for point and crossing is _____
  • 25 mm
  • 40 mm
  • 50 mm
  • 100 mm
Q.13
For acurve track diverging from a main curve ofin an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed ofkm/h on the main line and ‘G’ = 1.m is (Permitted cant deficiency for the main line = 7.6 cm)
  • 0.168 cm
  • -0.168 cm
  • 7.432 cm
  • 7.768 cm
Q.14
Heel divergence is
  • Always less than flange-way clearance
  • Equal to flange-way clearance
  • Always greater than flange-way clearance
  • Sometimes greater than flange-way clearance
Q.15
Effective length of a runway is the distance between
  • ends of the runway
  • point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway
  • point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway
  • ends of the clear way on either side.
Q.16
The height of the rail forkg rail section is
  • 143 mm
  • 156 mm
  • 172 mm
  • 129 mm
Q.17
Composite sleeper index determines
  • Number of sleepers per rail length
  • Suitability of wooden sleepers
  • Permissible stresses in steel sleepers
  • None of these
Q.18
Sleepers with highest scrap value are made up of:
  • Concrete
  • Cast Iron
  • Wooden
  • Plastic
Q.19
The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
  • flat mild steel bearing plate
  • mild steel canted bearing plate
  • cast iron anti creep bearing plate
  • none of the above
Q.20
What does ORR stand for?
  • Office of Rail and Road
  • Office of Rail Regulation
  • Overall Response Rate
  • Office of Regulation Review
Q.21
Wear of rails is maximum in weight of
  • tangent track
  • sharp curve
  • tunnels
  • coastal area
Q.22
The slipping of driving wheels of locomotives on the rail surface causes
  • wheel burns
  • hogging of rails
  • scabbing of rails
  • corrugation of rails
Q.23
Largest percentage of material in the rail is in its
  • head
  • web
  • foot
  • head and foot both
Q.24
The object of providing a point lock is
  • to ensure that each switch is correctly set
  • to ensure that the point may not be operated while the train is on it
  • to detect any obstruction between and tongue rail
  • none of the above
Q.25
The limiting value of cant gradient for all gauges is
  • 1 in 360
  • 1 in 720
  • 1 in 1000
  • 1 in 1200
Q.26
Vertical curves are provided where algebraic difference between grades is equal to or
  • less than 2 mm/m
  • more than 2 mm/m
  • less than 4 mm/m
  • more than 4mm/m
Q.27
Which of the following types of sleepers is preferred on joints ?
  • CST-9 sleeper
  • steel trough sleeper
  • wooden sleeper
  • concrete sleeper
Q.28
Loose jaws of steel trough sleepers are made of
  • cast steel
  • mild steel
  • cast iron
  • spring steel
Q.29
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.30
Maximum value of ‘throw of switch’ for Broad Gauge track is
  • 89 mm
  • 95 mm
  • 100 mm
  • 115 mm
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