Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Grashoff Stantan Brinkman Condensation Grashoff Stantan Brinkman Condensation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf could be greater or smaller than hd hf < hd hf > hd hf = hd hf could be greater or smaller than hd hf < hd hf > hd hf = hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected Decreases Increases May increase or decrease; depends on the feed Is not affected Decreases Increases May increase or decrease; depends on the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.5 0.6 0.4 0.7 0.5 0.6 0.4 0.7 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled A corrosive liquid is to be heated Requirement of heat transfer area is low Overall heat transfer co-efficient is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Increases Passes through a maxima Decreases Remains constant Increases Passes through a maxima Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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