Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Is same as Half Lower than Greater than Is same as Half Lower than Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Dowtherm Air Water Molten sodium Dowtherm Air Water Molten sodium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always > 1 < 1 1 ∞ > 1 < 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here Both emitter & absorber absorber emitter none of the listed here Both emitter & absorber absorber emitter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an None of these Economiser Ceramic recuperator Regenerator None of these Economiser Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high ANSWER DOWNLOAD EXAMIANS APP