Heat and Mass Transfer Thermal diffusivity is Function of temperature A physical property of the material A dimensionless parameter Used as mathematical model Function of temperature A physical property of the material A dimensionless parameter Used as mathematical model ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy transferred by convection to that by conduction is called Biot number Nusselt number Peclet number Stanton number Biot number Nusselt number Peclet number Stanton number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction is valid for Three dimensional cases only One dimensional cases only Two dimensional cases only Regular surfaces having non-uniform temperature gradients Three dimensional cases only One dimensional cases only Two dimensional cases only Regular surfaces having non-uniform temperature gradients ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The natural convection air cooled condensers are used in Domestic refrigerators Room air conditioners All of these Water coolers Domestic refrigerators Room air conditioners All of these Water coolers ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Glass Air Water Plastic Glass Air Water Plastic ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is closely related with Temperature Entropy Energy Liquids Temperature Entropy Energy Liquids ANSWER DOWNLOAD EXAMIANS APP
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