Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.585 a.√(2gH) 1.855 aH.√(2g) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.585 a.√(2gH) 1.855 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A point, in a compressible flow where the velocity of fluid is zero, is called Vena contracta Stagnation point None of the listed here Critical point Vena contracta Stagnation point None of the listed here Critical point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is could be above or below e.g. depending on density of body and liquid below be center of gravity above the center of gravity at the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity above the center of gravity at the center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be 10m 100m 1 m None of these 10m 100m 1 m None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the depth Twice the breadth Half the breadth Twice the depth Half the depth Twice the breadth Half the breadth Twice the depth ANSWER DOWNLOAD EXAMIANS APP