If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by_________________?
Lead of crossing is the distance from the__________________?
Lead of crossing is the distance from the_________________?
The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by__________________?
Flangeway clearance is the distance_________________?
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 ?
The object of providing a point lock is_________________?
The nominal size of ballast used for points and crossings is___________________?
The sleepers resting directly on girder are fastened to the top flange of girder by________________?
Width of ballast section for Broad Gauge is_________________?
