A. 25 mm
B. 40 mm
C. 50 mm
D. 10mm
Related Mcqs:
- At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is______________?
A. 51
B. 62
C. 70
D. 78 - Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is________________?
A. 15 cm
B. 20 cm
C. 25 cm
D. 30cm - Which of the following statements regarding ballast materials are correct ?
A. Brick ballast has poor drainage characteristics.
B. Coal ash is not used as ballast with steel or cast iron sleepers.
C. Gravel ballast gives better performance on soft formation.
D. Sand ballast causes excessive wear on top of rail - Width of ballast section for Broad Gauge is_________________?
A. 1.83 m
B. 2.25 m
C. 3.35 m
D. 4.30 m - 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) - In a scissors cross-over, the crossings provided are_________________?
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is ?A. (i) and (iii)
B. (i)and(iv)
C. (ii) and (iii)
D. (ii) and (iv) - The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is___________________?
A. 1 in 250
B. 1 in 222
C. 1 in 235
D. 1 in 275 - The limiting value of cant gradient for all gauges is___________________?
A. 1 in 360
B. 1 in 720
C. 1 in 1000
D. 1 in 1200 - The type of bearing plate used in all joints and on curves to give better bearing area to the rails is___________________?
A. flat mild steel bearing plate
B. mild steel canted bearing plate
C. cast iron anti creep bearing plate
D. none of the above - The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is___________________?
A. 6.10 m
B. 8.84 m
C. 10.21m
D. 10.82 m
