What is the correct answer?


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

Correct Answer :

D. All of the above

Related Questions

If the ratios of all the corresponding linear dimensions are equal, then… The specific speed of turbine is defined as the speed of a unit Guide angle as per the aerofoil theory of Kaplan turbine blade design… The angle of taper on draft tube is For small discharge at high pressure, following pump is preferred The ratio of the normal force of jet of water on a plate inclined at an… Which of the following pump is generally used to pump highly viscous fluid? Which type of the pump is different from others in the same group? Maximum impulse will be developed in hydraulic ram when The discharge of a double acting reciprocating pump is (where L = Length… Hydraulic accumulator is used for The hydraulic efficiency of an impulse turbine is maximum when velocity… The unit power developed by a turbine is (where P = Power developed by… The width of the bucket for a Pelton wheel is generally ________ the diameter… In axial flow fans and turbines, fluid enters and leaves as follows Discharge of a centrifugal pump is In a centrifugal pump, the liquid enters the pump High specific speed of a pump implies it is In a reciprocating pump, air vessels are used to Delivery head of a centrifugal pump is When a piping system is made up primarily of vertical lift and very little… The speed of a turbine runner is Pressure intensifier increases the pressure in proportion to The specific speed of a centrifugal pump, delivering 750 litres of water… High specific speed of turbine implies it is Which of the following statement is wrong? The specific speed (Ns) of a centrifugal pump is given by Runaway speed of a hydraulic turbine is The specific speed of a turbine is given by the equation The ratio of quantity of liquid discharged per second from the pump to…