Hydraulics and Fluid Mechanics in ME Stanton diagram is a log-log plot of friction factor against Reynolds number log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against relative roughness semi-log plot of friction factor against Reynolds number log-log plot of friction factor against Reynolds number log-log plot of relative roughness against Reynolds number semi-log plot of friction factor against relative roughness semi-log plot of friction factor against Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 4 and 6 1 and 2.5 2.5 and 4 1 and 6 4 and 6 1 and 2.5 2.5 and 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as None of these Nappe or vein Sill or crest Orifice None of these Nappe or vein Sill or crest Orifice 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/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ 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 Q) / (Hm × ηo) (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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, One-fourth Three-fourth Double One-half One-fourth Three-fourth Double One-half ANSWER DOWNLOAD EXAMIANS APP
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