In order to avoid cavitation in centrifugal pumps

Related MCQs

• Multi-stage centrifugal pumps are used to
• The cavitation in ahydraulic machine
• The cavitation in a hydraulic machine is mainly due to
• The cavitation in reaction turbines is avoided, to a great extent by
• If the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious.
• The specific speed of a centrifugal pump, delivering 750 litres of water per second against a head of 15 metres at 725 r.p.m., is
• The action of a centrifugal pump is that of a reversed reaction turbine.
• Delivery head of water of a centrifugal pump is inversely proportional to diameter of its impeller.
• In the casing of a centrifugal pump, the kinetic energy of the water is converted into pressure energy before the water leaves the casing.
• Head developed by a centrifugal pump is