Question

Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

a.

practical limit reached, due to low heat transfer rate because of inadequate temperature difference.

b.

economic limit reached, when the plant cost exceeds the saving of steam.

c.

both (a) & (b).

d.

neither (a) nor (b).

Answer: (c).both (a) & (b).

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Q. Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the

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