Heat Transfer For an ideal black body Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the heat transfer depends on Re, Gr none of the listed here mainly Gr Re, Pr Re, Gr none of the listed here mainly Gr Re, Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² 16.5 kW/m² 11.2 kW/m² 14.6 kW/m² 12.0 kW/m² 16.5 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ it is not economic none of the listed here it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ it is not economic none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtP²μ gD2βΔtρ/μ² gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtP²μ gD2βΔtρ/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is In the central core of the fluid None of these Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface In the central core of the fluid None of these Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface ANSWER DOWNLOAD EXAMIANS APP
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