Heat and Mass Transfer The transfer of heat by molecular collision is known as Radiation None of these Conduction Convection Radiation None of these Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a shell and tube heat exchanger, baffles are provided on the shell side to Prevent stagnation of shell side fluid Improve heat transfer Provide support for tubes All of these Prevent stagnation of shell side fluid Improve heat transfer Provide support for tubes All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Upto the critical radius of insulation, Convective heat loss will be less than conductive heat loss Heat flux will decrease Added insulation will decrease heat loss Added insulation will increase heat loss Convective heat loss will be less than conductive heat loss Heat flux will decrease Added insulation will decrease heat loss Added insulation will increase heat loss ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan's law, the total radiation from a black body per second per unit area is proportional to Absolute temperature T2 T T5 Absolute temperature T2 T T5 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is 0.55 0.45 0.4 0.75 0.55 0.45 0.4 0.75 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
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