Answer / abdul hameed

a) with Less NPSHr

Answer / anis sultan

If the NPSHa is greater than the NPSHr cavitation shuould
not occur.
If the NPSHa is lower than the NPSHr then gas bubbles will
form in the fluid and caviation will occur.

Answer / mazher

The pump with less NPSH(r) is better than more NPSH(r). IF
in case we use the pump with more NPSH(r) & in any case NPSH
(r)goes down in it,then pump will cavitate & may be damage
could occure.

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