Specific speed is used to predict desired pump or turbine performance.

Related MCQs

• Low specific speed, high specific speed and medium specific speed are classified based on
• Specific speed of a pump is the speed at which a pump runs when
• 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)?
• Specific speed of the turbine is defined as the speed at which the turbine runs when
• Ratio of pump or turbine with reference pump or turbine is called as                  
• The specific speed from a centrifugal pump indicates that the pump is
• Specific speed is an index used to predict               
• 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
• 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.