Fluid Mechanics MCQs

Piezometric head is the sum of the __________ heads.

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as

The maximum delivery pressure of compressors can be upto __________ atmospheres.

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/minutes.If its speed is halved, then the new head will be __________ metres.

A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be __________ cms.

Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of

Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.

Minimum fluidisation velocity for a specific system depends upon the

The ratio of width to depth for the most economical rectangular section in open channel flow is