For each sleeper ___ pandrol clips are used.

________ are transverse ties on which the rails are laid.

___________ flow the liquid particles move along straight parallel paths.

_____ number is the ratio between inertia and viscous forces.

The energy gradient line is ___ to drop in bed, in an open channel.

What is the splay provided in splayed wing walls?

Rectangular channel is _____ channel.

The wing wall resembling the letter “U” in plan, is _______