The specific speed (Ns) of a centrifugal pump is given by

More Questions from Hydraulic Machines

• Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?
• The discharge through a turbine is
• The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)
• The Thomson's turbine is __________ reaction turbine.
• The flow ratio in case of Francis turbine varies from
• The cavitation in a hydraulic machine is mainly due to
• The Furneyron turbine is __________ reaction turbine.
• The head available at the inlet of the turbine is known as net or effective head.
• A Francis turbine is an outward flow reaction turbine.
• Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?

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