Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Laminar flow is characterised by the nonexistence of Eddies All of these Pressure fluctuation Deviating velocities Eddies All of these Pressure fluctuation Deviating velocities ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) L/σ 1/d Σ D L/σ 1/d Σ D ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only tangential current Is effective over wide range of viscosities Produces only radial current Does not produce tangential current Produces only tangential current Is effective over wide range of viscosities Produces only radial current Does not produce tangential current ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Pitot tube Orificemeter Venturimeter Rotameter Pitot tube Orificemeter Venturimeter Rotameter ANSWER DOWNLOAD EXAMIANS APP
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