Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Turbulent flow Both A and B Form friction Wall or skin friction Turbulent flow Both A and B Form friction Wall or skin friction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness none of the listed here concentration boundary layer lies inside the thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Steam economy None of these Lower operating costs Investment economy Steam economy None of these Lower operating costs Investment economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha= 5hL Ha = 0.8hL Ha = 2hL Ha = hL Ha= 5hL Ha = 0.8hL Ha = 2hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
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