An equipotential line is _____________ to the velocity vector at every point?
		A. Normal
B. Parallel
C. Tangential
D. None of these
		A. Normal
B. Parallel
C. Tangential
D. None of these
		A. 2 to 3
B. 0.01 to 0.10
C. 200 to 300
D. 100 to 1000
		A. Less than the average velocity through channels
B. More than the average velocity through channels
C. Dependent on the pressure drop across the bed
D. Same as the average velocity through channels
		A. Employs such an impeller, through which the flow is a combination of radial & axial flow
B. Mixes the two fluids before pumg them
C. Pumps the two fluids separately and then mixes them
D. Employs impellers in both the radial & axial directions
		A. Delivers unit discharge at unit head
B. Requires unit power for unit head
C. Delivers unit discharge at unit power
D. None of these
		A. Decreasing the size of the inlet pipe
B. Increasing the size of the inlet pipe
C. Lowering the pump position
D. Both B. and C.
		A. As velocity
B. As (velocity)2
C. Inversely as the square of diameter
D. Inversely as the velocity