The rail is designated by its__________________?
The rail is designated by its__________________?
A. length
B. weight
C. cross-section
D. weight per unit length
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The nominal size of ballast used for points and crossings is___________________?
The nominal size of ballast used for points and crossings is___________________?A. 25 mm
B. 40 mm
C. 50 mm
D. 10mmThe correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by__________________?
The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by__________________?A. CL = L – SL
B. L =CL-SL
C. SL = L + CL
D. L = (CL+SL)/2One degree of curve is equivalent to__________________?
One degree of curve is equivalent to__________________?A. 1600/R
B. 1700/R
C. 1750/R
D. 1850/R
where R is the radius of curve in metersThe desirable rate of change of cant deficiency in case of Metre Gauge is_______________?
The desirable rate of change of cant deficiency in case of Metre Gauge is_______________?A. 20 mm/sec
B. 35 mm/sec
C. 55 mm/sec
D. 65 mm/secDog spikes are used for fixing rail to the__________________?
Dog spikes are used for fixing rail to the__________________?A. wooden sleepers
B. CST-9 sleepers
C. steel trough sleepers
D. concrete sleepersHeel divergence is__________________?
Heel divergence is__________________?A. always less than flangeway clearance
B. equal to flangeway clearance
C. always greater than flangeway clearance
D. sometimes greater than flangeway clearance