Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Lower heat transfer area Higher steam economy Higher solute concentration in the product Lower steam economy Lower heat transfer area Higher steam economy Higher solute concentration in the product 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 More More or less; depends on the nature of solution Less Same More More or less; depends on the nature of solution Less Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its 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 Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Mainly confined to a thin film of fluid near the surface None of these Uniformly distributed throughout the fluid In the central core of the fluid Mainly confined to a thin film of fluid near the surface None of these Uniformly distributed throughout the fluid In the central core of the fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of evaporation Economy Rate of vaporisation Capacity Rate of evaporation Economy Rate of vaporisation Capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Schmidt number Heat flux Prandtl number Nusselt number Schmidt number Heat flux Prandtl number Nusselt number ANSWER DOWNLOAD EXAMIANS APP
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