Question 15Steam Plants - 1st Asst/Chief

70% to pass

High pressure steam drains are normally discharged to the _______________.

Adrain and inspection tank
BDC heater
Creserve feed tank
Datmospheric drain line
AI Explanation

The correct answer is B) DC heater. High pressure steam drains are normally discharged to the DC (deaerating condenser) heater. The DC heater is designed to receive and condense high pressure steam drains, removing any air or other non-condensable gases from the system before the water is pumped to the reserve feed tank. The other answer choices are incorrect because: A) The drain and inspection tank is not the normal discharge point for high pressure steam drains. C) The reserve feed tank receives the processed water from the DC heater, not the direct steam drains. D) The atmospheric drain line is used for low pressure drains, not high pressure steam drains.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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