Hydraulics and Fluid Mechanics in ME
An orifice is said to be large, if

The available head of liquid is less than 5 times the height of orifice
The available head of liquid is more than 5 times the height of orifice
The size of orifice is large
The velocity of flow is large

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is

Directly proportional to (diameter)² of its impeller
Inversely proportional to (diameter)² of its impeller
Directly proportional to diameter of its impeller
Inversely proportional to diameter of its impeller

ANSWER DOWNLOAD EXAMIANS APP