Heat and Mass Transfer All radiations in a black body are Absorbed Refracted Transmitted Reflected Absorbed Refracted Transmitted Reflected ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as U/Cmin Cmin/U U/A.Cmin U.Cmin U/Cmin Cmin/U U/A.Cmin U.Cmin ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The critical radius is the insulation radius at which the resistance to heat flow is Maximum None of these Zero Minimum Maximum None of these Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Cooling of parts in furnace Heat received by a person from fireplace Blast furnace Heating of building Cooling of parts in furnace Heat received by a person from fireplace Blast furnace Heating of building ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat) (S.H + L.H) /S.H (L.H - S.H)/S.H S.H/(L.H - S.H) S.H/(S.H + L.H) (S.H + L.H) /S.H (L.H - S.H)/S.H S.H/(L.H - S.H) S.H/(S.H + L.H) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of 0.002 0.02 0.1 0.01 0.002 0.02 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
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