M

Mr. Dubey • 52.30K Points
Coach 

Q. decelerates the flow, what increases?

(A) pressure
(B) temperature
(C) volume
(D) flow rate
Correct : Option (A)

Explanation: 
 when the casing in a centrifugal pump decelerates the flow, pressure in the turbine increases. the diffuser helps this happen. the shape of the diffuser passing present in the centrifugal pump is doughnut shaped.

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. The average shear stress for rolled beams is calculated by dividing the shear force at the cross section by the ?

Q. What is water proofing admixtures?

Q. Black smoke coming out of the chimney of a furnace is an indication of the use of _________ in the furnace.

Q. According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)

Q. The standard size of wooden sleepers on broad ?

Q. The figure below represents:

Q. A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m² to 200 kN/m². If the effective stress is furth

Q. A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

Q. The quantity of stone ballast required per metre tangent length for metre gauge is mm ?

Q. Stoke's law is valid only if the size of particle is