Multi-stage centrifugal pumps are used to:

While starting the centrifugal pump

. To start delivery of the fluid, the casing and impeller should be filled with the fluid without any air pockets. This process is called___________________

The efficiency of a centrifugal pump is maximum when its blades are:

For a centrifugal pump, the ratio of power actually gained by the fluid to the shaft power supplied is known as:

Which of the following characteristics of a centrifugal?

The specific speed (Ns) of a centrifugal pump is given by

In a centrifugal pump, cavitation is reduced by:

The pressure rise in the impeller should be equal to which head, in case of a centrifugal pump to start delivering liquid?

Double feed pump is commonly employed for__________________

The centrifugal pump acts as the reverse of an reaction turbine.

Which statement is true for the effect of blade shape on the performance of a centrifugal compressor?

Which of the following hold(s) true with respect to the flow in volute casing outside the rotating impeller of a centrifugal pump?

1. Flow is Free vortex
2. Flow is Forced vortex
3. Flow is radial

For a given centrifugal pump, discharge varies with speed.

In a centrifugal pump casing, the flow of water leaving the impeller is

A centrifugal pump:

A centrifugal pump used for pumping liquids containing suspended solids, such as sewage or pulp from paper mills

Air vessel in a reciprocating pump is

Slip of reciprocating pump becomes negative when

A centrifugal pump gives maximum efficiency when its blades are

In a centrifugal pump, the liquid enters the pump

Which of the following is not a correct statement for a reciprocating pump?

Which of the following types of impellers is used for centrifugal pumps dealing with water containing slurry and sewage?

The effect of a slip in the case of a centrifugal pump will

Centrifugal pumps dealing with muds have an impeller of the type

The overall efficiency of a centrifugal pump is:

The flow in volute casing outside the rotating impeller of a centrifugal pump is:

A centrifugal pump acts as a reverse of :

Discharge of a centrifugal pump is-

The specific speed of a centrifugal pump is defined as the speed of geometrically similar pump which would -

How the best hydraulic channel cross-section is defined?

The upper surface of a weir over which water flows is known as

The ratio of area of flow to the wetted perimeter is called

The discharge over the rectangular weir is equal to:

In an open channel flow, the discharge corresponding to critical depth is ___________

The channel section considered to have the highest efficiency is

For frictionless fluid, the contraction coefficient for Borda's mouthpiece is

If the level of water (H) above the base point of V notch is increased by four times, the discharge through the notch will become s

Notch is a device used for measuring:

When the depth of water in an open channel is greater than the critical depth then flow is said to be

Specific energy is_____________at critical depth for a given discharge in a channel.

The velocity with which the water approaches a notch is called

Specific speed of a turbine depends upon

Maximum impulse will be developed in hydraulic ram when _____________

A hydraulic intensifier normally consists of.

The coefficient of friction in terms of Reynold's number is

Reynolds number is significant in____________

The reciprocal of Euler's number is known as

Match the following

Compressible flow	Weber number
Free surface flow	Nusselt number
Pipe flow	Reynolds number
Heat convection	Mach number

Weber number is defined as at the ratio of inertia force to