Heat and Mass Transfer When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a Grey body Black body Opaque body White body Grey body Black body Opaque body White body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is closely related with Temperature Liquids Energy Entropy Temperature Liquids Energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Stanton number Biot number Grashoff number Prandtl number Stanton number Biot number Grashoff number Prandtl number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat is transferred by conduction, convection and radiation in Boiler furnaces Condensation of steam in condenser Melting of ice None of these Boiler furnaces Condensation of steam in condenser Melting of ice None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In counter current flow heat exchanger, the logarithmic temperature difference between the fluids is ________ as compared to parallel flow heat exchanger. Less Same Greater None of these Less Same Greater None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat is the heat required to Increase the temperature of a liquid of vapour Change vapour into liquid Convert water into steam and superheat it Change liquid into vapour Increase the temperature of a liquid of vapour Change vapour into liquid Convert water into steam and superheat it Change liquid into vapour ANSWER DOWNLOAD EXAMIANS APP
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