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Centrifugal pump: Quiz

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Question 1: A centrifugal pump is a rotodynamic ________ that uses a rotating impeller to increase the pressure of a fluid.
Gas compressorTurbinePumpBernoulli's principle

Question 2: ________—the NPSH of the system is too low for the selected pump
SonoluminescenceCavitationWater tunnel (hydrodynamic)Fluid dynamics

Question 3: ________ inside the pump caused by the fluid properties
ZincChlorineCorrosionAluminium

Question 4: Net positive suction head (________)
NPSHCavitationBoilingAtmospheric pressure

Question 5: The motor drives a rotor carrying a pair of ________ and these drag round a second pair of permanent magnets attached to the pump impeller.
MagnetMagnetic fieldMagnetic momentMagnetism







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