Heat and Mass Transfer When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by Radiation Conduction Conduction and convection Convection Radiation Conduction Conduction and convection Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer All radiations in a black body are Refracted Transmitted Reflected Absorbed Refracted Transmitted Reflected Absorbed ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Prevost theory of heat exchange Heat transfer in most of the cases takes place by combination of conduction, convection and radiation Heat transfer by radiation requires no medium It is impossible to transfer heat from low temperature source to t high temperature source All bodies above absolute zero emit radiation Heat transfer in most of the cases takes place by combination of conduction, convection and radiation Heat transfer by radiation requires no medium It is impossible to transfer heat from low temperature source to t high temperature source All bodies above absolute zero emit radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by Conduction Convection Radiation Conduction and convection Conduction Convection Radiation Conduction and convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat) (S.H + L.H) /S.H S.H/(S.H + L.H) (L.H - S.H)/S.H S.H/(L.H - S.H) (S.H + L.H) /S.H S.H/(S.H + L.H) (L.H - S.H)/S.H S.H/(L.H - S.H) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Kirchoff's law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a Red hot body Grey body Black body Brilliant white polished body Red hot body Grey body Black body Brilliant white polished body ANSWER DOWNLOAD EXAMIANS APP
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