Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called Convection Radiation None of these Conduction Convection Radiation None of these Conduction 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 Regular surfaces having non-uniform temperature gradients Two dimensional cases only Three dimensional cases only One dimensional cases only Regular surfaces having non-uniform temperature gradients Two dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Newton's law of cooling, the heat transfer from a hot body to a cold body is Both (A) and (B) Either (A) or (B) Directly proportional to the surface area Directly proportional to the difference of temperatures between the two bodies Both (A) and (B) Either (A) or (B) Directly proportional to the surface area Directly proportional to the difference of temperatures between the two bodies ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Absorptivity of a body will be equal to its emissivity At all temperatures At one particular temperature 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 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Counter flow All of these Parallel flow Cross flow Counter flow All of these Parallel flow Cross flow ANSWER DOWNLOAD EXAMIANS APP