The cavitation in a hydraulic machine – McqOptions

MCQOPTIONS

1.	The cavitation in a hydraulic machine
A.	Causes noise and vibration of various parts
B.	Reduces the discharge of a turbine
C.	Causes sudden drop in power output and efficiency
D.	All of the above
Answer» E.

Discussion

No Comment Found

Related MCQs

The most economical section of a rectangular channel is one which has hydraulic mean depth orhydraulic radius equal to
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6m, then the weight of the body is
In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome theviscous resistance will be
manometers because Alcohol is used in
In order that flow takes place between two points in a pipeline, the differential pressure betweenthese points must be more than
The imaginary line drawn in the fluid in such a way that the tangent to any point gives thedirection of motion at that point, is known as
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, thenthe mouthpiece is said to be
According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C =Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surfacewill be
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submergedin a fluid having specific gravity of