Heat and Mass Transfer LMTD in case of counter flow heat exchanger as compared to parallel flow heat exchanger is Same Depends on the area of heat exchanger Lower Higher Same Depends on the area of heat exchanger Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total emissivity of polished silver compared to black body is Same Very much lower Higher More or less same Same Very much lower Higher More or less same ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by Conduction and convection Conduction Radiation Convection Conduction and convection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer transition from laminar to turbulent flow is governed by the critical value of the Reynold's number, Grashoff's number Reynold's number Prandtl number, Grashoff's number Grashoff's number Reynold's number, Grashoff's number Reynold's number Prandtl number, Grashoff's number Grashoff's number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Plastic Water Air Glass Plastic Water Air Glass ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is smallest in None of these Solids Liquids Gases None of these Solids Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
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