Fluid Mechanics for Chemical

A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve

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. 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. 0.01 to 0.1
B. 0.1 to 2
C. 2 to 10
D. 10 to 100