Question

_________________________is a small opening of any cross section on the side or bottom of the tank on which fluid is flowing.

• A. Weir
• B. Notch
• C. Mouth piece
• D. Orifice

Answer 1

Answer:

D. Orifice

An orifice is a small opening made on the bottom or sidewall of a tank for fluid to flow. The contraction of area for flow depends on the orifice's shape, size, and head. Notch or weir is a structure to measure channel section discharge.