Heat Transfer In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of Chemical potentials Concentrations Activity co-efficients Mass transfer co-efficients Chemical potentials Concentrations Activity co-efficients Mass transfer co-efficients ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low Grashoff number Prandtl number viscosity thermal conductivity Grashoff number Prandtl number viscosity thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its porosity None of the listed here both temperature & porosity temperature porosity None of the listed here both temperature & porosity temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space Less heating surface Lower maintenance cost None of these More space Less heating surface Lower maintenance cost None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation absorber Both emitter & absorber none of the listed here emitter absorber Both emitter & absorber none of the listed here emitter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l010 3 x l08 3 x l012 3 x l05 3 x l010 3 x l08 3 x l012 3 x l05 ANSWER DOWNLOAD EXAMIANS APP
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