Railways Questions

• If L is length of a rail and R is the radius of a curve, the versine h for the curve, is
• The tread of wheels is provided an outward slope of
• Bearing plates are used to fix
• 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
• The quantity of stone ballast required per metre tangent length, is
• If a 0.7% upgrade meets a 0.65% 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
• For flat bottom sleepers, maximum size of ballast, is
• A kink is made in stock rails, ahead of the toe of switch at a distance of
• At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
• Coning of wheels
• According to Railway Board, no diamond crossing should be flatter than
• Coning of wheels is provided
• Regional Indian railways use different types of sleepers according to their
• Minimum length of a transition curve required for
• Heel of crossing is the line joining
• The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is
• By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by
• A mono-block sleeper has
• For providing the required tilt of rails, adazing of wooden sleepers, is done for
• The standard dimensions of a wooden sleeper for M.G. railway track are