A. Protect the pump against developing excessive pressure B. Facilitate unidirectional flow of liquid C. Reduce the discharge pressure D. Control the rate of discharge
A. Temporal velocity components B. Mean square of velocity fluctuations in the three co-ordinate directions C. Root mean square of velocity fluctuations in the three co-ordinate directions D. None of these
A. Run at a lower speed for the same discharge B. Do not need priming C. Deliver fluid with pulsating/fluctuating discharge D. Can be run with discharge line valve closed for a short interval
