Heat Transfer Presence of a non-condensing gas in a condensing vapour decreases thermal resistance None of the listed here increases the rate of condensation is desirable to increase the film co-efficient decreases thermal resistance None of the listed here increases the rate of condensation is desirable to increase the film co-efficient 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 In SI units, fouling factor is expressed in m°K/W m²°K/W m²°K W/m²°K m°K/W m²°K/W m²°K W/m²°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Perimeter to surface area Surface area to volume Volume to surface area Surface area to perimeter Perimeter to surface area Surface area to volume Volume to surface area Surface area to perimeter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the boiling point elevations rate of heat transfer ratio of the weight of the thin liquor to thick liquor temperature of the feed boiling point elevations rate of heat transfer ratio of the weight of the thin liquor to thick liquor temperature of the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Double pipe Plate fine None of the listed here Series and parallel set of shell and tube Double pipe Plate fine None of the listed here Series and parallel set of shell and tube ANSWER DOWNLOAD EXAMIANS APP