Heat Transfer Double pipe heat exchangers are used because it occupies less floor area because it is less costly when heat transfer area required is very high when heat transfer area required is very low because it occupies less floor area because it is less costly when heat transfer area required is very high when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the True temperature drop increases Capacity of the evaporator is increased Both B and C Capacity of the evaporator is decreased True temperature drop increases Capacity of the evaporator is increased Both B and C Capacity of the evaporator is decreased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) ΔT (ΔT)2 None of the listed here (ΔT)1/4 ΔT (ΔT)2 None of the listed here (ΔT)1/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 150 0.72 0.001 70 150 0.72 0.001 70 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. None of these Long tube vertical Horizontal Basket type None of these Long tube vertical Horizontal Basket type ANSWER DOWNLOAD EXAMIANS APP
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