Which of the following turbine is preferred for a specific speed of 60 – McqOptions

MCQOPTIONS

1.	Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?
A.	Pelton wheel
B.	Francis turbine
C.	Kaplan turbine
D.	none of these
Answer» C. Kaplan turbine

Discussion

No Comment Found

Related MCQs

Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in metres, and Hd = Delivery head in metres)
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H))
A ship with jet propulsion draws water through inlet orifices at right angles to the direction of its motion. The propelling force of the jet is (where a = Area of the jet, Vr = Relative velocity of the jet and ship = V + v, v = Velocity of the ship, and V = Velocity of the jet issuing from the ship)
The force exerted (in newton) by a jetof water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m2, and V = Velocity of jet in m/s)
The hydraulic efficiency of an impulse turbine is the
The specific speed of a hydraulic turbine depends upon
In an impulse turbine, the pressure of water both at entering and leaving the vanes, is atmospheric.
The specific speed of a turbine is given by the equation
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) ) is