The approximate value of the constant speed curve is given by ratio of                

Related MCQs

• Constant speed curves travel at constant speed when the value is equal to               
• In constant speed curves, the speed is kept a constant varying its head.
• 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)?
• In constant speed curves, the velocity is kept a constant varying its head.
• The speed of the turbine in a constant head curve is varied by                    
• Constant speed curve is denoted as           
• Low specific speed, high specific speed and medium specific speed are classified based on
• 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 typical value range of speed ratio for a Francis turbine is:
• Head lost due to friction is given by k*f*L*v*v/D*2g where f- friction coefficient, L- length of pen stock, D- diameter of penstock and” k” is constant and its value is