Heat Transfer Film boiling is usually not desired in commercial equipments, because it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is not economic it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is not economic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by radiation conduction convection none of the listed here radiation conduction convection none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower capacity Lower economy Both A & B Higher economy Lower capacity Lower economy Both A & B Higher economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Liquids Gases Both solids & liquids Solids Liquids Gases Both solids & liquids Solids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Logarithmic mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt Δt1/2 Δt5/4 Δt2 Δt Δt1/2 Δt5/4 ANSWER DOWNLOAD EXAMIANS APP
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