Number of cotters used in CST-9 sleepers is__________________?
Number of cotters used in CST-9 sleepers is__________________?
		A. 2
B. 3
C. 4
D. 5
		A. 2
B. 3
C. 4
D. 5
		A. head
B. web
C. foot
D. head and foot both
		A. for points and crossings in the lead portion
B. with wooden sleepers at locations where creep is likely to be developed
C. on all joints and curves
D. on all the above
		A. 28.49 m
B. 21.04 m
C. 14.24 m
D. 7.45 m
		A. 143 mm
B. 156 mm
C. 172 mm
D. 129mm
		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
		A. stop
B. proceed
C. proceed cautiously
D. none of the above