Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn None of these Reynolds Prandtl Colburn None of these Reynolds Prandtl 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 None of these Gives a higher shell side pressure drop Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a higher shell side pressure drop Gives a lower shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Thermal conductivity Stefan-Boltzman constant Heat transfer co-efficient Thermal diffusivity Thermal conductivity Stefan-Boltzman constant Heat transfer co-efficient Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Kirchoffs Stefan-Boltzman Wien's displacement Planck's Kirchoffs Stefan-Boltzman Wien's displacement Planck's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Remains unchanged Decreases Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
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