Hydraulics and Fluid Mechanics in ME The value of coefficient of discharge is __________ the value of coefficient of velocity. None of these More than Same as Less than None of these More than Same as Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.56 0.36 0.46 0.26 0.56 0.36 0.46 0.26 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press is a device used To store pressure energy which may be supplied to a machine later on To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure To lift larger load by the application of a comparatively much smaller force All of these To store pressure energy which may be supplied to a machine later on To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure To lift larger load by the application of a comparatively much smaller force All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = D.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = π.b.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = π.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP