The cross-sectional area of 52 kg flat footed rail is_________________?
Tensile strength of steel used in rails should not be less than____________________?
60 R rails are mostly used in__________________?
The main function of a fish plate is________________?
Fish plate is in contact with rail at________________?
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called_________________?
The width of foot for 90 R rail section is__________________?
In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of__________________?
To ensure exact gauge, the gauge tie plates are provided at_________________?
Two important constituents in the com-position of steel used for rail are_________________?