The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which

Related MCQs

• The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one metre.
• The speed of an imaginary turbine, identical with the fiven turbine, which will develop a unit power under a unit head, is known as
• Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?
• A Kaplan turbine is preferred for a specific speed of 300 to 1000 r.p.m.
• A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its specific speed is
• The specific speed of a hydraulic turbine depends upon
• The overall efficiency of an impulse turbine is the ratio of the actual power produced by the turbine to the energy actually supplied by the turbine.
• The runaway speed of a hydraulic turbine is the speed
• The speed ratio of a Francis turbine is defined as the ratio of the theoretical jet velocity to the peripheral speed at inlet.
• A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used?