WALCHAND INSTITUTE OF TECHNOLOGY,SOLAPUR

The pump transfers the mechanical energy of a motor or of an engine into _________ of a fluid.

• (a) pressure energy
• (b) kinetic energy
• (c) either pressure energy or kinetic energy
• (d) pressure energy, kinetic energy or both

Which of the following is not a type of positive displacement pumps?

• (a) Reciprocating pump
• (b) Rotary displacement pump
• (c) Centrifugal pump
• (d) None of the above

Which of the following is not a rotary pump?

• (a) Gear
• (b) Vane
• (c) Screw
• (d) Axial

For small discharge and high head, which pump is preferred?

• (a) centrifugal type
• (b) screw type
• (c) axial flow type
• (d) reciprocating type

Centrifugal pumps are used to transport

• (a) pressure
• (b) speed
• (c) power
• (d) fluid

Centrifugal pumps transfer energy from

• (a) rotor to fluid
• (b) fluid to rotor
• (c) draft to rotor
• (d) rotor to draft

A rotary compressor is driven by an

• (a) electric motor
• (b) engine
• (c) either A or B
• (d) none of these

In a centrifugal compressor, the flow of air is __________ to the axis of the compressor.

• (a) parallel
• (b) perpendicular
• (c) inclined
• (d) none of these

If the flow of air through the compressor is parallel to its axis, then the compressor is

• (a) reciprocating compressor
• (b) centrifugal compressor
• (c) axial flow compressor
• (d) turbo-compressor

A compressor is a machine which is used to

• (a) lift liquid from low height to higher elevation
• (b) to store liquid
• (c) to compress liquid OR gas
• (d) none of the above