Question No : 8
The flow ratio of Francis turbine is defined as the ratio of the
Question No : 9
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)
Question No : 10
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of
Question No : 11
Manometric head, in case of a centrifugal pump, is equal to
Question No : 12
Medium specific speed of a pump implies it is
Question No : 13
The discharge through a turbine is
Question No : 14
The specific speed of a hydraulic turbine depends upon