Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch. 0.025 0.01 0.015 0.02 0.025 0.01 0.015 0.02 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 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.Vf Q = π.b.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.D.Vf Q = π.b.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of viscosity is Meters² per sec Newton-sec per meter² Newton-sec per meter kg-sec/meter Meters² per sec Newton-sec per meter² Newton-sec per meter kg-sec/meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Pressure energy + kinetic energy + potential energy Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Kinetic energy - (pressure energy + potential energy) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr - v) V/(vr + v) 2V/(vr + v) V/(vr - v) 2V/(vr - v) V/(vr + v) 2V/(vr + v) V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP