The main advantage of a long rail over short one, is

If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is

Weight and cross section of the rails are decided on

Pick up the correct statement from the following:

Pick up the incorrect statement from the following:

Staggered rail joints are generally provided

Main disadvantage of steel sleepers, is :

The standard width of ballast for M.G. track in Indian Railways, is kept

Wooden sleepers used on the girders of bridges, are generally made of

The tread of wheels is provided an outward slope of

Continuity of electric current across welded rail joints, is maintained by

Bull headed rails are generally provided on

An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is

To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and

On a straight railway track, absolute levels at point A on two rails are 100.m and 100.m and the absolute levels at point Bm apart are 100.m and 100.m respectively, the value of twist of rails per metre run, is

Bearing plates are used to fix

Sand may be used as ballast for

The check rails are placed opposite the crossing so that

The factor for deciding the type of sleeper, is

The standard dimensions of a wooden sleeper for a B.G. railway track are

If D is distance between centres of two parallel track of gauge G, then, total length of cross-over (from the point of commencement to the point of termination) with an intermediate straight portion and N crossing, is given by

A welded rail joint is generally

Safe speed (V) on a curve of radiusmetres provided with two transition curves on Board Gauge track, is

Cast iron sleeper, is

Spacing of sleepers

In Indian railways, the ratio of axle load and weight of rail, is

If a 0.upgrade meets a 0.downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

Overall depth of a dog spike, is

Cast iron sleeper, is

Overall depth of a dog spike, is