_____________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm2?

A. Centrifugal
B. Piston
C. Positive acting rotary
D. A group of vacuum

A. 4.728
B. 0.5
C. 0.622
D. 0.474

A. Reciprocating
B. Gear
C. Diaphragm
D. Centrifugal

A. Flow velocity
B. Pressure
C. Total energy
D. All A., B. and C.

A. Archimedes principle
B. Newton’s second law of motion
C. Hooke’s law
D. Newton’s third law of motion

A. Depends only on Reynolds number
B. Does not depend on Reynolds number
C. Depends on the roughness
D. None of these