Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Maximum Infinity Minimum Zero Maximum Infinity Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by __________ may not necessarily require the presence of a medium none of the listed here natural convection radiation coduction none of the listed here natural convection radiation coduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Duhring rule is important in solving problems on Humidification Distillation Evaporation Crystallisation Humidification Distillation Evaporation Crystallisation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Geometric Logarithmic Either A, B or C Arithmetic Geometric Logarithmic Either A, B or C Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A 2-4 heat exchanger involves Both counter and parallel-flow of the fluids Only counter-flow of fluids Smaller pressure drop compared to 1-2 exchanger Only parallel-flow of fluids Both counter and parallel-flow of the fluids Only counter-flow of fluids Smaller pressure drop compared to 1-2 exchanger Only parallel-flow of fluids ANSWER DOWNLOAD EXAMIANS APP
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