In all the characteristic curves, the overall efficiency is aimed at the maximum value.

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
• All the characteristic curves are drawn with respect to                    
• The characteristic curves of a centrifugal pump, plots required by the pump.
• Constant efficiency curves are plotted using               
• 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 overall efficiency of the turbine is the ratio of
• The overall efficiency of a reaction turbine is the ratio of
• In the expression for overall efficiency of turbine, which is p/(k*g*q*h), where “k” is known as