Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 minutes 4 x (225)3/2 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum number of jets generally employed in impulse turbine without jet interference is 12 6 8 4 12 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.707 R 0.423 R 0.223 R 0.577 R 0.707 R 0.423 R 0.223 R 0.577 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with radial flow at outlet High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr ANSWER DOWNLOAD EXAMIANS APP
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