Heat and Mass Transfer The process of heat transfer from one particle of the body to another is called conduction, when the particles of the body Do not move actually Does not affect the intervening medium Move actually Affect the intervening medium Do not move actually Does not affect the intervening medium Move actually Affect the intervening medium ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fouling factor is used When a liquid exchanges heat with a gas In case of Newtonian fluids In heat exchanger design as a safety factor None of these When a liquid exchanges heat with a gas In case of Newtonian fluids In heat exchanger design as a safety factor None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The concept of overall coefficient of heat transfer is used in heat transfer problems of Convection Radiation Conduction and convection Conduction Convection Radiation Conduction and convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Film coefficient is defined as Inside diameter of tube Equivalent thickness of film Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity Film coefficient × Inside diameter Thermal conductivity Equivalent thickness of film Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity Film coefficient × Inside diameter Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity When system is under thermal equilibrium At all temperatures At critical temperature At one particular temperature When system is under thermal equilibrium At all temperatures At critical temperature At one particular temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer transition from laminar to turbulent flow is governed by the critical value of the Reynold's number, Grashoff's number Prandtl number, Grashoff's number Reynold's number Grashoff's number Reynold's number, Grashoff's number Prandtl number, Grashoff's number Reynold's number Grashoff's number ANSWER DOWNLOAD EXAMIANS APP
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