Heat Transfer Prandtl number for most of dry gases is about 70 0.001 150 0.72 70 0.001 150 0.72 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is Forward None of these Backward Parallel Forward None of these Backward Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.95 1 0.78 0.95 1 0.78 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Achieve very high concentration of the final product Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Achieve very high concentration of the final product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² None of these Q ∝ T⁴ Q ∝ T³ Q ∝ T² None of these Q ∝ T⁴ Q ∝ T³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is Zero 1 <1 >1 Zero 1 <1 >1 ANSWER DOWNLOAD EXAMIANS APP
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