Heat Transfer Nucleate boiling is promoted On polished surfaces On rough surfaces In the absence of agitation None of these On polished surfaces On rough surfaces In the absence of agitation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower heat transfer area Higher steam economy Lower steam economy Higher solute concentration in the product Lower heat transfer area Higher steam economy Lower steam economy Higher solute concentration in the product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase log mean temperature gradient facilitate cleaning of the exchanger relieve stresses caused by thermal expansion increase the heat transfer area increase log mean temperature gradient facilitate cleaning of the exchanger relieve stresses caused by thermal expansion increase the heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Liquid density Interfacial tension Hot surface temperature Liquid viscosity Liquid density Interfacial tension Hot surface temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator Feed is introduced in the first effect None of these Feed flows from low pressure to high pressure No pumps are required between successive effects Feed is introduced in the first effect None of these Feed flows from low pressure to high pressure No pumps are required between successive effects 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
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