Centrifugal Pump Quiz

The difference between the total head at the outlet of a Centrifugal pump and total head at the inlet of a centrifugal pump is called__________

• Static head

• Manometric head

• Suction head

• Dynamic head

Which of the following factors is taken into consideration when determining the maximum suction height of a centrifugal pump ?

• Priming

• Manometric efficiency

• Cavitation

• Mechanical efficiency

Which of the following impellers are best suited to medium sized pumps with a small amount of soft solids.

• Semi-open impellers

• Semi-closed impellers

• Open impellers

• Closed impellers

What is the main benefit of double volute casing over single volute casing of a centrifugal pump?

• High efficiency

• High discharge

• Less power requirement

• Radial load balancing

Variation of power input with speed at constant discharge in case of centrifugal pump is________

• Cubic

• Linear

• Parabolic

• Logarithmic

A centrifugal pump acts as a reverse of :

• Outward radial flow reaction turbine

• Pelton turbine

• Inward radial flow reaction turbine

• Reciprocating pump.

For the operating point of the pump, a system characteristic between the head required "H" and the discharge to be maintained "Q" is generally expressed as ?

• Linear equation

• Parabolic equation

• Exponential equation

• Cubic equation

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

• Axial Flow

• Free vortex flow

• Forced vortex flow

• Radial flow

The overall efficiency of a Centrifugal pump ?

• Product of manometric and mechanical efficiencies

• Ratio of manometric efficient to mechanical efficiency

• Product of manometric and hydraulic efficiencies

• Ratio of mechanical efficiency to manometric efficiency

Centrifugal pumps dealing with muds have an impeller of the type ?

• Open

• Double suction

• One-side shrouded

• Two -sides shrouded