The flow ratio of Francis turbine is defined as the ratio of the

Related MCQs

• A Francis turbine is an outward flow reaction turbine.
• The speed ratio of a Francis turbine is defined as the ratio of the theoretical jet velocity to the peripheral speed at inlet.
• The flow ratio in case of Francis turbine varies from
• 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 speed ratio in case of Francis turbine varies from
• The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
• A Francis turbine is used when the available head of water is
• In a Francis turbine runner, the number of blades are generally between
• In a Francis turbine, the pressure at inlet is
• If the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious.