Heat and Mass Transfer Which of the following property of air does not increase with rise in temperature? Thermal diffusivity Dynamic viscosity Density Thermal conductivity Thermal diffusivity Dynamic viscosity Density Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat transfer takes place according to Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Kirchhoff's law Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Kirchhoff's law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The highest thermal diffusivity is of Iron Lead Concrete Wood Iron Lead Concrete Wood 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 Forced convection Conduction Radiation Free convection Forced convection Conduction Radiation Free convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water at 20°C is of the order of 0.51 0.23 0.42 0.1 0.51 0.23 0.42 0.1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan's law, the total radiation from a black body per second per unit area is proportional to Absolute temperature T5 T T2 Absolute temperature T5 T T2 ANSWER DOWNLOAD EXAMIANS APP