Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.2 D 0.4 D 0.3 D 0.5 D 0.2 D 0.4 D 0.3 D 0.5 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 6.1 37 1 1.74 6.1 37 1 1.74 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtP²μ gD³βΔtP²/μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² gD2βΔtP²μ gD³βΔtP²/μ gD2βΔtρ/μ² gD³.β.Δtρ²/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these Has the unit m² /sec ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to More than Less than Either more or less than (depending upon the fluid) Equal to More than Less than Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. None of these Low pressure Nucleate Pool None of these Low pressure Nucleate Pool ANSWER DOWNLOAD EXAMIANS APP
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