Heat and Mass Transfer Fouling factor is used In case of Newtonian fluids None of these In heat exchanger design as a safety factor When a liquid exchanges heat with a gas In case of Newtonian fluids None of these In heat exchanger design as a safety factor When a liquid exchanges heat with a gas 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 Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium. Hot body to cold body Smaller body to larger body Larger body to smaller body Cold body to hot body Hot body to cold body Smaller body to larger body Larger body to smaller body Cold body to hot body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by Forced convection Free convection Radiation Convection Forced convection Free convection Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Same Lower Higher Depends upon the shape of body Same Lower Higher Depends upon the shape of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of solid metals with rise in temperature normally May increase or decrease depending on temperature Increases Decreases Remain constant May increase or decrease depending on temperature Increases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP