Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Backward feed None of these Vacuum High pressure Backward feed None of these Vacuum High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More More or less; depends on the nature of solution Same Less More More or less; depends on the nature of solution Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Saturated nucleate Sub-cooled None of these Film Saturated nucleate Sub-cooled None of these Film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves 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 Smaller pressure drop compared to 1-2 exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Thermal diffusivity Heat transfer co-efficient Thermal conductivity Stefan-Boltzman constant Thermal diffusivity Heat transfer co-efficient Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Both Reynolds & Prandtl Reynolds None of the listed here Prandtl Both Reynolds & Prandtl Reynolds None of the listed here Prandtl ANSWER DOWNLOAD EXAMIANS APP
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