Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Needle valve Globe valve None of these Butterfly valve Needle valve Globe valve None of these Butterfly valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump can be avoided by keeping the Outlet pressure low Inlet pressure high Outlet pressure high Inlet pressure low Outlet pressure low Inlet pressure high Outlet pressure high Inlet pressure low ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? High suction velocity Low suction pressure High suction pressure Low barometric pressure High suction velocity Low suction pressure High suction pressure Low barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as V-0.2 V2 V1.8 V2.7 V-0.2 V2 V1.8 V2.7 ANSWER DOWNLOAD EXAMIANS APP
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