Heat and Mass Transfer The radiation emitted by a black body is known as Black radiation All of these Full radiation Total radiation Black radiation All of these Full radiation Total radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is known as None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer All radiations in a black body are Refracted Absorbed Reflected Transmitted Refracted Absorbed Reflected Transmitted ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Reflectivity Emissivity Intensity of radiation Transmissivity Reflectivity Emissivity Intensity of radiation Transmissivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. Minimum energy None of these Both (A) and (B) Maximum energy Minimum energy None of these Both (A) and (B) Maximum energy ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Same Higher Depends upon the shape of body Lower Same Higher Depends upon the shape of body Lower ANSWER DOWNLOAD EXAMIANS APP
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