Heat Transfer A 2-4 heat exchanger involves Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids Only parallel-flow of fluids Only counter-flow of fluids Smaller pressure drop compared to 1-2 exchanger Both counter and parallel-flow of the fluids Only parallel-flow of fluids Only counter-flow of fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High residence time None of these High pressure Vacuum High residence time None of these High pressure Vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is 894W/m².K 333W/m².K 287 W/m².K 1200W/m².K 894W/m².K 333W/m².K 287 W/m².K 1200W/m².K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal conductivity heat transfer co-efficient heat flux thermal diffusivity thermal conductivity heat transfer co-efficient heat flux thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Coal dust Refractory bricks Iron plates Aluminium foil Coal dust Refractory bricks Iron plates Aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
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