Heat and Mass Transfer Cork is a good insulator because it has Low density Porous body Free electrons Atoms colliding frequency Low density Porous body Free electrons Atoms colliding frequency ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The emissive power of a body depends upon its Physical nature Temperature All of these Wave length Physical nature Temperature All of these Wave length ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Velocity reduction method Dual or double method Static regains method Equal friction method Velocity reduction method Dual or double method Static regains method Equal friction method ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity At critical temperature When system is under thermal equilibrium At all temperatures At one particular temperature At critical temperature When system is under thermal equilibrium At all temperatures At one particular temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is Equal to one Equal to Nusselt number Less than one Greater than one Equal to one Equal to Nusselt number Less than one Greater than one 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 Radiation Forced convection Conduction Free convection Radiation Forced convection Conduction Free convection ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS