Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?

Process Equipment and Plant Design 02/11/2021

A. It is unsuitable for concentrating those liquids, which form a scale or deposit salt
B. It is suitable for process, in which the final product is a liquor instead of solid
C. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator
height = 2.5-4 metres
D. Liquor flows inside the tube, while the steam is outside submerging the tube

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