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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q514 - Motor Plants
135. Waste heat boilers may be equipped with vents on the feed water heater heads to __________.
Vents on feedwater heater heads prevent air binding by releasing trapped air and non-condensable gases, which can obstruct water circulation. These vents are not used for pressure relief, feed water treatment, or sediment removal; those functions are handled by safety valves, chemical injection points, and blowdown connections, respectively.
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