Vacuum is generally maintained in the vapour space of an evaporator ma – McqOptions

MCQOPTIONS

1.	Vacuum is generally maintained in the vapour space of an evaporator mainly to__________________?
A.	Get economical temperature difference by using moderate pressure steam
B.	Facilitate forward feeding in multiple effect evaporation
C.	Concentrate heat sensitive materials
D.	Achieve very high concentration of the final product
Answer» B. Facilitate forward feeding in multiple effect evaporation

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