Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 43924 4 1 2 43924 4 1 2 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 Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 0 to 4.5 250 to 300 80 to 200 10 to 100 0 to 4.5 250 to 300 80 to 200 10 to 100 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is zero equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface greater than the vapour pressure over the plane surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis ANSWER DOWNLOAD EXAMIANS APP
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