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: Option A
Related Questions on Heat Transfer
A. 3.06 × 105
B. 6.12 × 105
C. 7.24 × 105
D. 9.08 × 105
Fqra cold viscous feed, backward feed gives __________ than forward feed.
A. A higher capacity
B. A lower capacity
C. Lower economy
D. None of these
A. Twice
B. Four times
C. Square root of
D. Square of
Join The Discussion