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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q512 - General Subjects II
446. Using the illustrated chart giving the boiling point of moisture at various depths of vacuum, with an ambient temperature of 72°F, what depth of vacuum would be associated with the BEST chance of achieving a dehydration evacuation with a deep vacuum pump
A vacuum of 500 microns (29.90″ Hg) is required for effective dehydration because it lowers the boiling point of water significantly below the ambient temperature of 72F, promoting vigorous vaporization and removal of moisture.
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