1.
Worlds widest rail gauge is
A
1435 mm
B
1676 mm
C
1825 mm
D
1922 mm
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Worlds widest rail gauge is
1435 mm
1676 mm
1825 mm
1922 mm
Worlds narrowest gauge is
1000 mm
924 mm
762 mm
610 mm
Width of ballast section for broad gauge is
2.0 m
2.45 m
3.3 m
4.25 m
Width of ballast on straight routes should be equal to
sleeper width
sleeper width + 300 mm
sleeper width + 400 mm
sleeper width + 600 mm
Which one of the following statement is wrong? Disadvantage of cast iron sleepers is
difficulties in maintaining accurate gauges
less lateral stability
high cracking chance
maintenance is difficult
Which one of the following is the wrong statement about wooden sleeper?
Gets worn out under beater packing.
Needs special treatment for fire protection.
Damage is more during derailment.
Scrap value is less.
Which one of the following is the interlocking system used in railway signalling?
Electronic system.
Electrical system.
Mechanical system.
Key system
Which one of the following is the duty of daily maintainance gang?
Maintain track alignment.
Maintain drainage.
Maintain points and crossing.
Check the fastenings and fixtures.
Which one of the following is not used to fix rails to wooden sleepers?
Fish bolt
Dog spikes
Round spike
Screw spikes
Which one of the following is not the correct statement about a sleeper?
Maintains gauge and level satisfactorily.
A cant of 1 in 20 is provided towards inner side.
It is susceptible to fire.
Cracks may develop during maintenance.
Which one of the following is not elastic fastener?
pandrol
INR–202
cotter
lock spike
Which one of the following is not correct? Requirement of good joint
strength should be same as the original rail section
it should withstand lateral pressure without altering the gauge length
it should provide sufficient elasticity so that vibration and shocks are absorbed
it should not allow for expansion.
Which one of the following is not a type of crossing used in railways?
square crossing
rectangular crossing
spring crossing
ramped crossing
Which one of the following is not a method of plate laying?
Side method.
Telescope method.
British method.
American method.
Which of the following statement is wrong?
Coning is provided at 1 in 20 slope.
In coning wheels are given an outward slope.
Coning of wheels is required only in curves.
Coning of wheels is necessary to prevent rubbing of flange of wheel with rails.
When crossing number is 1 in , length of tongue rail on broad gauge should be
6.4 m
8.46 m
9.76 m
4.72 m
Welded rails up to.................have been used.
100 m
800 m
1300 m
30 m
Type of concrete sleepers tried is
two R.C.C. blocks connected by steel bar
Pre-stressed concrete sleeper
all the above
R.C.C. sleeper similar to wooden sleeper
Two-way keys are not used with
steel sleeper
cast iron sleeper
concrete sleeper
wooden sleeper
Tolerance on gauge under loaded condition is
2 to 2.5 mm
3 to 3.5 mm
4 to 4.5 mm
1 to 1.5 mm