The ratio of change of discharge of an outlet to the rate of change in level of water surface in distributary at its normal depth is called ____________________?

A. Water
B. Snow
C. Ice particles
D. Gas

A. Less than
B. Excess
C. Equal to
D. Not required

A. Stream lines
B. Equipotential lines
C. Equilibrium lines
D. Streak lines

A. Algai bacteria
B. Fungi bacteria i
C. Pathogenic bacteria
D. Insects

A. Gives max. Discharge
B. Has minimum wetted perimeter
C. Involves lesser excavation
D. All of these

A. Conveyance losses in well irrigation are less
B. Well water is clear than canal water
C. Lifting of water increase cost of well water
D. Well water is used economically