Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Decreases Increases Does not affect May increase or decrease, depends on the type of baffle Decreases Increases Does not affect May increase or decrease, depends on the type of baffle ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the none of the listed here wavelength of monochromatic radiation temperature of the body only nature of material of body none of the listed here wavelength of monochromatic radiation temperature of the body only nature of material of body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Both A & B Scaling characteristics Neither A nor B High viscosity Both A & B Scaling characteristics Neither A nor B High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.4 D 0.5 D 0.2 D 0.3 D 0.4 D 0.5 D 0.2 D 0.3 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to None of these Remove condensate Increase temperature Increase pressure None of these Remove condensate Increase temperature Increase pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr1/3 NPr NPr-1/3 NPr-1 NPr1/3 NPr NPr-1/3 NPr-1 ANSWER DOWNLOAD EXAMIANS APP
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