Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in Porosity All of these Composition Density Porosity All of these Composition Density 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 U/A.Cmin U.Cmin Cmin/U U/Cmin U/A.Cmin U.Cmin Cmin/U ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer All radiations in a black body are Refracted Transmitted Reflected Absorbed Refracted Transmitted Reflected Absorbed ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the energy absorbed by the body to total energy falling on it is called Absorptive power Emissivity Emissive power Absorptivity Absorptive power Emissivity Emissive power Absorptivity 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
EXAMIANS