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 due to difference of density caused by temperature of the particle is known as Free convection Radiation Forced convection Conduction Free convection Radiation Forced convection Conduction 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. Larger body to smaller body Cold body to hot body Smaller body to larger body Hot body to cold body Larger body to smaller body Cold body to hot body Smaller body to larger body Hot body to cold body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Prandtl number Weber number Grashoff number Nusselt number Prandtl number Weber number Grashoff number Nusselt number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity) h = ρS/k h = kρ/S h = k/ ρS h = S/ρk h = ρS/k h = kρ/S h = k/ ρS h = S/ρk ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy transferred by convection to that by conduction is called Stanton number Nusselt number Peclet number Biot number Stanton number Nusselt number Peclet number Biot number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The concept of overall coefficient of heat transfer is used in case of heat transfer by Conduction Conduction and convection Convection Radiation Conduction Conduction and convection Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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