When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an______________________?

Related Mcqs:

In parallel pipe problems, the__________________?

A. Head loss is the same through each pipe B. Discharge is the same through all the pipes C. Total head loss is equal to the sum of the head losses through each pipe D. None of these...

Potential flow is characterised by the___________________?

A. Irrotational and frictionless flow B. Irrotational and frictional flow C. One in which dissipation of mechanical energy into heat occurs D. Formation of eddies within the stream...

The speed of a sound wave in a gas is analogous to the speed of ______________________?

A. An elementary wave in an open channel B. Flow in an open channel C. A disturbance travelling upstream in moving fluid D. None of these...

Purpose of air lift pump is to____________________?

A. Compress air B. Lift compressed air C. Lift water from a well by using compressed air D. Lift air under negative pressure...

Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its________________?

A. Inner diameter B. Outer diameter C. Thickness D. Neither inner nor outer diameter...