A Pelton wheel with one nozzle is preferred for a specific speed between 35 to 60 r.p.m.

More Questions from Hydraulic Machines

• Delivery head of a centrifugal pump is
• The specific speed of a hydraulic turbine depends upon
• Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump)
• By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power.The saving in case of a double acting reciprocating pump is
• An impulse turbine is used for
• In a centrifugal pump, the water enters the impeller __________ and leaves the vanes axially.
• The impeller of a centrifugal pump may have
• Kinematic similarity is said to exist between the model and the prototype, if both of them
• In order to avoid cavitation in centrifugal pumps
• A reciprocating pump is suitable for less discharge and higher heads.

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