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 More or less; depends on the nature of solution Same Less More More or less; depends on the nature of solution Same Less More ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer 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 Less heating surface More space None of these Lower maintenance cost Less heating surface More space None of these Lower maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Colburn Reynolds Prandtl None of these Colburn Reynolds Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop None of these Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter Gives a higher shell side pressure drop None of these Gives a lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP