Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Factor of safety Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Factor of safety ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD³βΔtP²/μ gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? Nusselt equation None of these Sieder-Tate equation Dittus-Boeltier equation Nusselt equation None of these Sieder-Tate equation Dittus-Boeltier equation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Steam pressure Feed temperature Both B & C Number of effect Steam pressure Feed temperature Both B & C Number of effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ √t Independent of 't' ∝ 1/t ∝ t ∝ √t Independent of 't' ∝ 1/t ∝ t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit fluid temperature = wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature < wall temperature Exit fluid temperature = wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature < wall temperature ANSWER DOWNLOAD EXAMIANS APP
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