Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 1 and ? 1 and 0 0 and 1 0 and 0.5 1 and ? 1 and 0 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Multiple effect evaporator Heat exchanger Condenser Steam jacketed kettle Multiple effect evaporator Heat exchanger Condenser Steam jacketed kettle ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Reflects Transmits None of these Absorbs Reflects Transmits None of these Absorbs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Wall or skin friction Both A and B Form friction Turbulent flow Wall or skin friction Both A and B Form friction Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Unity Zero Different for all wavelengths Same for all wavelengths Unity Zero Different for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
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