Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

Which of the following is dimensionless?

Coefficient of resistance is the ratio of

A flow in which __________ force is dominating over the viscosity is called turbulent flow.

An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

Power stations are generally treated as

For a given size of bucket, the ideal output of a dragline will be least in

The independent float affects only

For completion of a project, the critical path of the network represents

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively