The unit of bulk modulus of elasticity for a liquid in S.I. unit is____________________?

A. Elastic
B. Viscous
C. Gravity
D. None of these

A. Impeller diameter or speed
B. Number of pumps and joining them in series
C. Number of pumps and joining them in parallel
D. All A., B. and C.

A. 0.5
B. 5
C. 50
D. 500

A. 1,300
B. 10,000
C. 100,000
D. None of these

A. Momentum
B. Mass
C. Energy
D. Both B. & C.

A. Atmospheric pressure
B. Sub-atmospheric pressure
C. Pressure difference between two points
D. None of these