Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Long tube Open pan None of these Agitated film Long tube Open pan None of these Agitated film ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces smooth clean polished contaminated cooling clean and dirt free smooth clean polished contaminated cooling clean and dirt free ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Grashoff Prandtl & Grashoff Reynolds Both A & B Grashoff Prandtl & Grashoff Reynolds Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is 333W/m².K 287 W/m².K 894W/m².K 1200W/m².K 333W/m².K 287 W/m².K 894W/m².K 1200W/m².K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³βΔtP²/μ gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD³βΔtP²/μ gD2βΔtP²μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be None, A is just a number W/m.k² W/m W/m.k None, A is just a number W/m.k² W/m W/m.k ANSWER DOWNLOAD EXAMIANS APP