Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) U₁ - U₂ U₂ - U₁ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₁ - U₂ U₂ - U₁ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? 1 None of these < 1 > 1 1 None of these < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 60000 24000 48000 6000 60000 24000 48000 6000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.9 0.5 1 0.9 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is White & rough White & polished Black & polished Black & rough White & rough White & polished Black & polished Black & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Minimum Infinity Maximum Zero Minimum Infinity Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
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