sill or crest

nappe or vein

orifice

none of these

Pascal's law

Archimede's principle

D-Alembert's principle

none of these

0.001

0.01

0.1

1

velocity of flow at the required point in a pipe

pressure difference between two points in a pipe

total pressure of liquid flowing in a pipe

discharge through a pipe

pressure head + kinetic head + potential head

pressure head - (kinetic head + potential head)

potential head - (pressure head + kinetic head)

kinetic head - (pressure head + potential head)