Heat and Mass Transfer Heat transfer by radiation mainly depends upon All of these Its temperature Kind and extent of its surface Nature of the body All of these Its temperature Kind and extent of its surface Nature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction gives the heat flow for One dimensional cases only Two dimensional cases only Nonuniform temperature surfaces Irregular surfaces One dimensional cases only Two dimensional cases only Nonuniform temperature surfaces Irregular surfaces 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 Black body Red hot body Brilliant white polished body Grey body Black body Red hot body Brilliant white polished body Grey body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Grashoff number Weber number Prandtl number Nusselt number Grashoff number Weber number Prandtl number Nusselt number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the energy absorbed by the body to total energy falling on it is called Absorptivity Emissive power Absorptive power Emissivity Absorptivity Emissive power Absorptive power Emissivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in M.K.S. units is K cal/hr m² °C K cal m/hr m² °C K cal/kg m² °C K calm/hr °C K cal/hr m² °C K cal m/hr m² °C K cal/kg m² °C K calm/hr °C ANSWER DOWNLOAD EXAMIANS APP