Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is > 5 1 < 1 > 1 > 5 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The temperature drops in the two fluids and the wall are proportional to individual resistances The relationship is not generalised ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase pressure Increase temperature Remove condensate None of these Increase pressure Increase temperature Remove condensate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Pressure Corrosiveness & fouling characteristics Density Viscosity Pressure Corrosiveness & fouling characteristics Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a multiple effect evaporator single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser multiple effect evaporator single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser ANSWER DOWNLOAD EXAMIANS APP
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