Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Nusselt number tends to infinity Schmidt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one Nusselt number tends to infinity Schmidt number tends to infinity Archimedes number is greater than 10000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 Von-Karman equation None of these Colebrook formula Fanning equation Von-Karman equation None of these Colebrook formula Fanning equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 d2/3 d2 √d d1/3 d2/3 d2 √d ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 0.1 10 0.01 1 0.1 10 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two dimensional stream function Relates velocity and pressure Is constant along a stream line None of these Is constant along an equipotential surface Relates velocity and pressure Is constant along a stream line None of these Is constant along an equipotential surface ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Decreases as V² None of these Increases linearly with V Decreases linearly with V Decreases as V² None of these Increases linearly with V Decreases linearly with V ANSWER DOWNLOAD EXAMIANS APP
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