Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Facilitate forward feeding in multiple effect evaporation Achieve very high concentration of the final product Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Achieve very high concentration of the final product Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. U-tube Three pass, fixed tube sheet None of these Single pass, fixed tube sheet U-tube Three pass, fixed tube sheet None of these Single pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Planck's law Wien's law Kirchhoffs law Stefan-Boltzman law Planck's law Wien's law Kirchhoffs law Stefan-Boltzman law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of double pipe type with fin on steam side double pipe type with fin on air side plate type shell and tube type double pipe type with fin on steam side double pipe type with fin on air side plate type shell and tube type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux through several resistances in series in analogous to the current flowing through several. resistances in parallel resistances in series capacitors in series none of the listed here resistances in parallel resistances in series capacitors in series none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the High heat transfer co-efficient Flexibility possible in the baffle arrangement Low pressure drop Less corrosion problems High heat transfer co-efficient Flexibility possible in the baffle arrangement Low pressure drop Less corrosion problems ANSWER DOWNLOAD EXAMIANS APP
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