Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 1 0.5 2 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Increases rapidly with temperature rise Both B and C Is almost independent of pressure Is almost independent of temperature Increases rapidly with temperature rise Both B and C Is almost independent of pressure Is almost independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Absorbs Transmits None of these Reflects Absorbs Transmits None of these Reflects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to None of these Increase pressure Increase temperature Remove condensate None of these Increase pressure Increase temperature Remove condensate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Reynolds Nusselt Prandtl Biot Reynolds Nusselt Prandtl Biot ANSWER DOWNLOAD EXAMIANS APP
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