The fluid property, due to which, mercury does not wet the glass is

Glass pipes can be joined by

The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s).

Two dimensional stream function

Curve III in the above diagram represents a/an

With increasing flow rate, the hydraulic efficiency of a centrifugal pump

Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds

Cocks are used to control

For a particle settling in water at its terminal settling velocity, which of the following is true ?

The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is

Co-efficient of velocity is __________ the coefficient of discharge.

Head developed by a centrifugal pump depends on its

The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is

Which of the following denotes the effect of compressibility in fluid flow ?

Forces acting on a particle settling in fluid are __________ forces.