The speed of an imaginary turbine, identical with the fiven turbine, which will develop a unit power under a unit head, is known as

Related MCQs

• The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
• 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.
• 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?
• 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.
• A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its specific speed is
• The head available at the inlet of the turbine is known as net or effective head.
• The power of a centrifugal pump working under constant head and discharge increases with the speed.
• In a reaction turbine, the pressure head of water, while flowing over the vanes, is converted into kinetic head before leaving the wheel.
• A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is
• The runaway speed of a hydraulic turbine is the speed