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. Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. dirty oily coated clean & smooth dirty oily coated clean & smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Long tube vertical evaporator None of these Agitated film evaporator Open pan evaporator Long tube vertical evaporator None of these Agitated film evaporator Open pan evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is 1 R₂/(R₁+R₂) (R₁/R₂)2 1 R₂/(R₁+R₂) (R₁/R₂)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, floating head is provided to increase the heat transfer area facilitate cleaning of the exchanger relieve stresses caused by thermal expansion increase log mean temperature gradient increase the heat transfer area facilitate cleaning of the exchanger relieve stresses caused by thermal expansion increase log mean temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtρ/μ² gD2βΔtP²μ gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtρ/μ² gD2βΔtP²μ gD³.β.Δtρ²/μ² gD³βΔtP²/μ ANSWER DOWNLOAD EXAMIANS APP
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