Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ below Ax̅ / IG below IG / Ax̅ above Ax̅ / IG above IG / Ax̅ below Ax̅ / IG below IG / Ax̅ above Ax̅ / IG above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 27,000 kg 13,500 kg 18,000 kg 9,000 kg 27,000 kg 13,500 kg 18,000 kg 9,000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hot wire anemometer is used to measure Liquid discharge Gas velocities Pressure in liquids Pressure in gases Liquid discharge Gas velocities Pressure in liquids Pressure in gases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge 0.75 Q Same quantity of liquid Q/0.75 1.5 Q 0.75 Q Same quantity of liquid Q/0.75 1.5 Q 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 = π.b.Vf Q = D.b.Vf Q = π.D.Vf Q = π.D.bf.V Q = π.b.Vf Q = D.b.Vf Q = π.D.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
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