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The evaporator economy is dependent on the ________

The evaporator economy is dependent on the ________ Correct Answer Heat transfer rate

There are three main measures of evaporator performance: Capacity (kg vaporized/time), Economy (kg vaporized/ kg steam input), Steam consumption (kg/hr). The performance of a evaporator is evaluated by the capacity and the economy. The rate of heat transfer q through the heating surface of an evaporator, by the definition of overall heat transfer coefficient, is product of three factors i) The area of heat transfer surface A ii) The overall heat transfer coefficient U iii) The overall temperature drop ΔT Q = U * A * ΔT.

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