Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Get economical temperature difference by using moderate pressure steam Achieve very high concentration of the final product Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Achieve very high concentration of the final product Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Planck's None of these Fourier's Kirchoffs Planck's None of these Fourier's Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by None of these Fourier's law Newton's law of cooling Fick's law None of these Fourier's law Newton's law of cooling Fick's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the none of the listed here nature of material of body temperature of the body only wavelength of monochromatic radiation none of the listed here nature of material of body temperature of the body only wavelength of monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.6 to 120 0.06 to 120 l to 50 1 to 103 0.6 to 120 0.06 to 120 l to 50 1 to 103 ANSWER DOWNLOAD EXAMIANS APP
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