In Pelton turbine product of mechanical efficiency and hydraulic efficiency is known as

Related MCQs

• The hydraulic efficiency of a Francis turbine is 90%, the mechanical efficiency is 95% and the volumetric efficiency is assumed to be 100%. Fine the overall efficiency (in %)?
• The hydraulic efficiency of a Kaplan turbine is 95%, the mechanical efficiency is 93% and the volumetric efficiency is assumed to be 100%. Fine the overall efficiency (in %)?
• The product of mechanical efficiency and hydraulic efficiency is known as?
• In Pelton turbine the ratio of volume available at shaft of turbine and power supplied at the inlet of the turbine is               
• The expression for maximum hydraulic efficiency of pelton turbine is given by?
• To obtain maximum hydraulic efficiency of pelton turbine, blade velocity should be                      Times the inlet velocity of jet.
• The hydraulic efficiency of Pelton turbine will be maximum when blade velocity is equal to               
• The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is
• The desired hydraulic efficiency of a turbine is 80% at a whirl velocity of 20 m/s and a head of 100 m. What should be the blade velocity of the turbine at inlet in m/s?
• The desired hydraulic efficiency of a Kaplan turbine is 98% at a whirl velocity of 20 m/s and a head of 60 m. What should be the blade velocity of the turbine at inlet in m/s? Take g = 10 m/s2.