Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in tubulent flow when Grashhoff number is very important none of the listed here for fluids in laminar flow for fluids in tubulent flow when Grashhoff number is very important none of the listed here for fluids in laminar flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C Vapour pressure equals 76 cm of Hg ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Neither A nor B Both A & B Dissolved O₂ CO₂ Neither A nor B Both A & B Dissolved O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtP²μ gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtρ/μ² gD2βΔtP²μ gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtρ/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the Both A and B Saving of steam Realisation of multiple effect economy in a single effect None of these Both A and B Saving of steam Realisation of multiple effect economy in a single effect None of these ANSWER DOWNLOAD EXAMIANS APP
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