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

Related MCQs

• A Kaplan turbine requires a speed ratio of 2. The available head of the turbine is 5 m. What should be the blade velocity of the turbine such that a speed ratio of 2 is maintained (take g = 10 m/s2)?
• 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 %)?
• In Pelton turbine the ratio of volume available at shaft of turbine and power supplied at the inlet of the turbine is               
• The velocity of the flow through the Kaplan turbine is 25 m/s. The available head of the turbine is 60 m. Find the flow ratio of the turbine (take g = 10 m/s2).
• The speed ratio of an impulse turbine operating under a head off 400m is 0.46. The p.c.d of turbine wheel is 22.25m then rotational speed, in rpm is
• In a Kaplan Turbine experimental setup, the power output of the shaft is 4.325 MW. The volume flow rate of water in 15 m3/s at an available head of 50 m. Find the overall efficiency of the turbine in % (g = 10 m/s2)?
• In Kaplan turbine apparatus, the volume flow rate of water in 15 m3/s at an available head of 55 m (g = 10 m/s2). Find the shaft power (in MW) if the overall efficiency of the turbine is 95%.
• The reaction turbine is one in which the available hydraulic energy is converted to kinetic energy before the fluid enters the runner
• If energy available at inlet of turbine is only kinetic energy then it is classified based on