Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Units of surface tension are it has no units both of the above distance energy/unit area it has no units both of the above distance energy/unit area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids increases shows erratic behaviour remains same decreases increases shows erratic behaviour remains same decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Ogee weir Submerged weir Narrow-crested weir Broad-crested weir Ogee weir Submerged weir Narrow-crested weir Broad-crested weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.81 times 0.95 times 0.34 times 0.67 times 0.81 times 0.95 times 0.34 times 0.67 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h ANSWER DOWNLOAD EXAMIANS APP