Q268
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).
A.
250
B.
450
C.
650
AnswerD.
750
Answer: Option C
Solution
Answer: Option C
No explanation is given for this question Let's Discuss on Board