Heat Transfer In a heat exchanger, one transfer unit means A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used To prevent corrosion of the tube bundles Because of its low cost In low range of temperature differences In high range of temperature differences To prevent corrosion of the tube bundles Because of its low cost In low range of temperature differences In high range of temperature differences ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Logarithmic Parabolic Hyperbolic Linear Logarithmic Parabolic Hyperbolic Linear ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the heat transfer in laminar flow absorption with chemical reaction mass transfer between a gas and a liquid heat transfer in turbulent flow heat transfer in laminar flow absorption with chemical reaction mass transfer between a gas and a liquid heat transfer in turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the None of these Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter Tube diameter & pitch None of these Viscosity, density & mass velocity of shell side fluid Baffle spacing & shell diameter Tube diameter & pitch ANSWER DOWNLOAD EXAMIANS APP