Normally the limiting value of cant is________________?
Normally the limiting value of cant is________________?
A. G/8
B. G/10
C. G/12
D. G/15
where G is the gauge
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One 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 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 sleepers resting directly on girder are fastened to the top flange of girder by________________?
The sleepers resting directly on girder are fastened to the top flange of girder by________________?A. hook bolts
B. dog spikes
C. fang bolts
D. rail screwsIf a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by_________________?
If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by_________________?A. Vi cot(cc/2)
B. cot(oc/2)
C. cot(A)
D. Vi cosec(a/2)Creep is the_______________?
Creep is the_______________?A. longitudinal movement of rail
B. lateral movement of rail
C. vertical movement of rail
D. difference in level of two railsWhich one of the following rail failures is caused by loose fish bolts at expansion joints ?
Which one of the following rail failures is caused by loose fish bolts at expansion joints ?A. crushed head
B. angular break
C. split head
D. transverse fissures