For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is________________?

A. 0.5
B. 1
C. 1.5
D. 2

A. Longer, if Metacentric height is increased
B. Independent of the Metacentric height
C. Dependent on the buoyant forces only
D. None of these

A. Surface tension
B. Fluid density
C. Fluid viscosity
D. Gravity forces

A. Constant along a streamline
B. Not constant along a streamline
C. Increased in the direction of flow
D. None of these

A. Avoid priming, every time we start the pump
B. Remove the contaminant present in the liquid
C. Minimise the fluctuation in discharge
D. Control the liquid discharge

A. Elevation & kinetic energy
B. Elevation & pressure
C. Kinetic energy & pressure
D. None of these