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MCQ
504. In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3" on a gradient of 1 in 250 will have the permissible gradient of--
1 in 257
1 in 357
1 in 457
1 in 512
505. The following tests are conducted for rails: (i) Falling weight test (ii) Tensile test (iii) Hammer test The compulsory tests are--
Only (i)
(i) and (ii)
(ii) and (iii)
(i) and (iii)
506. A CST-9 sleeper consists of--
Two inverted triangular pots on either side of rail seat
A central plate with a projected key and box on the top of plate
A tie bar and 4 cotters to connect two cast iron plates
All the above
507. The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called--
Diamond crossing
Diamond crossing with single slip
Diamond crossing with double slip
Cross over
509. In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3" on a gradient of 1 in 250 will have the permissible gradient of--
1 in 257
1 in 357
1 in 457
1 in 512
515. The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called--
Diamond crossing
Diamond crossing with single slip
Diamond crossing with double slip
Cross over