Heat Transfer Which of the following has the minimum absorptivity? Iron plates Coal dust Aluminium foil Refractory bricks Iron plates Coal dust Aluminium foil Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers facilitate very large temperature drop through tube wall use metal fins of low thermal conductivity are used for smaller heat load give larger area per tube facilitate very large temperature drop through tube wall use metal fins of low thermal conductivity are used for smaller heat load give larger area per tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Remove non-condensable gases Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases Purge the condenser None of these Facilitate easy cleaning of tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Pool Nucleate Local Saturated Pool Nucleate Local Saturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD can't be used as such without a correction factor for the All of these Multipass heat exchanger Baffled heat exchanger Condensation of mixed vapour in a condenser All of these Multipass heat exchanger Baffled heat exchanger Condensation of mixed vapour in a condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ gD2βΔtP²μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD³βΔtP²/μ ANSWER DOWNLOAD EXAMIANS APP
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