Heat and Mass Transfer Which of the following has least value of conductivity? Air Glass Plastic Water Air Glass Plastic Water 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 The energy distribution of an ideal reflector at higher temperatures is largely in the range of Remain same at all wavelengths Longer wavelength Shorter wavelength Wavelength has nothing to do with it Remain same at all wavelengths Longer wavelength Shorter wavelength Wavelength has nothing to do with it ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Nature of body Temperature of body All of these Type of surface of body Nature of body Temperature of body All of these Type of surface of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity At one particular temperature At critical temperature When system is under thermal equilibrium At all temperatures At one particular temperature At critical temperature When system is under thermal equilibrium At all temperatures ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as Free convection Conduction Forced convection Radiation Free convection Conduction Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP