Heat and Mass Transfer The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to Biot number Grashoff number Stanton number Peclet number Biot number Grashoff number Stanton number Peclet number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Counter flow All of these Parallel flow Cross flow Counter flow All of these Parallel flow Cross flow ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a White body Black body Grey body Opaque body White body Black body Grey body Opaque body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer, Nusselt number is function of Grashoff number, Prandtl number and Reynold number Grashoff number and Prandtl number Prandtl number and Reynold number Grashoff number and Reynold number Grashoff number, Prandtl number and Reynold number Grashoff number and Prandtl number Prandtl number and Reynold number Grashoff number and Reynold number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal diffusivity is m²/hr kcal/m² hr kcal/m. hr °C m²/hr °C m²/hr kcal/m² hr kcal/m. hr °C m²/hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In regenerator type heat exchanger, heat transfer takes place by Direct mixing of hot and cold fluids A complete separation between hot and cold fluids Generation of heat again and again Flow of hot and cold fluids alternately over a surface Direct mixing of hot and cold fluids A complete separation between hot and cold fluids Generation of heat again and again Flow of hot and cold fluids alternately over a surface ANSWER DOWNLOAD EXAMIANS APP