The ratio of actual work available at the turbine to the energy imparted to the wheel is known as

Related MCQs

• 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 specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
• 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 speed of an imaginary turbine, identical with the fiven turbine, which will develop a unit power under a unit head, is known as
• In a reaction turbine, the pressure head of water, while flowing over the vanes, is converted into kinetic head before leaving the wheel.
• In a reaction turbine, the water enters the wheel under pressure and flows over the vanes.
• The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is
• The flow ratio of Francis turbine is defined as the ratio of the
• The speed ratio of a Francis turbine is defined as the ratio of the theoretical jet velocity to the peripheral speed at inlet.
• The head available at the inlet of the turbine is known as net or effective head.