Ordinary rails are made of_______________?
Ordinary rails are made of_______________?
A. mild steel
B. cast iron
C. wrought iron
D. high carbon steel
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For developing thinly populated areas, the correct choice of gauge is_________________?
For develog thinly populated areas, the correct choice of gauge is_________________?A. Broad Gauge
B. Meter Gauge
C. Narrow Gauge
D. any of the aboveThe main function of a fish plate is________________?
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 aboveThe distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?
The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?A. flangeway clearance
B. heel divergence
C. throw of the switch
D. none of the aboveThe width of foot for 90 R rail section is__________________?
The width of foot for 90 R rail section is__________________?A. 100 mm
B. 122.2 mm
C. 136.5 mm
D. 146.0 mmThe object of providing a point lock is_________________?
The object of providing a point lock is_________________?A. to ensure that each switch is correctly set
B. to ensure that the point may not be operated while the train is on it
C. to detect any obstruction between and tongue rail
D. none of the aboveStaggered joints are generally provided__________________?
Staggered joints are generally provided__________________?A. on curves
B. on straight track
C. when two different rail sections are required to be joined
D. none of the above