Heat and Mass Transfer The value of Prandtl number for air is about 1.7 0.1 0.7 0.3 1.7 0.1 0.7 0.3 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The concept of overall coefficient of heat transfer is used in heat transfer problems of Conduction Radiation Convection Conduction and convection Conduction Radiation Convection Conduction and convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer by radiation mainly depends upon Its temperature Nature of the body All of these Kind and extent of its surface Its temperature Nature of the body All of these Kind and extent of its surface ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction is valid for One dimensional cases only Three dimensional cases only Regular surfaces having non-uniform temperature gradients Two dimensional cases only One dimensional cases only Three dimensional cases only Regular surfaces having non-uniform temperature gradients Two dimensional cases only 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 The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is Greater than one Equal to one Less than one Equal to Nusselt number Greater than one Equal to one Less than one Equal to Nusselt number ANSWER DOWNLOAD EXAMIANS APP
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