With the increase in energy head, efficiency                

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 relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is
• The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)
• High head, low head and medium head turbines are classified based on
• Hydraulic energy is converted into another form of energy by hydraulic machines. What form of energy is that?
• The product of mechanical efficiency and hydraulic efficiency is known as?
• In Pelton turbine product of mechanical efficiency and hydraulic efficiency is known as
• A reaction turbine discharges 50m3/sec of water under a head of 7.5m with an overall efficiency of 80%. The H.P. Developed is:
• The whirl velocity at inlet of Francis turbine is given to be 20 m/s. The blade velocity is given as 35 m/s. What is the hydraulic efficiency for a head of 100 m?