The thermal fluid heating oil system on your...

Question 1 / 2066636eef28f7522a1c52038c

Question 1 of 2066636eef28f7522a1c52038c

The thermal fluid heating oil system on your fishing industry factory ship is configured similarly to that shown in the illustration. What system component performs expansion and deaeration functions? Illustration MO- 0198

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🔍 Key Concepts

• In a thermal fluid heating oil system, expansion happens where the oil can safely change volume as temperature changes without overpressurizing the system. • Deaeration (removal of air/gases) is usually done at a high point in the system where gases naturally rise and can be vented. • Look for the component that is connected both to the main circulating line and to a vent/overflow line leading to or from the top of the system.

💭 Think About

• On the illustration, which numbered component is located at or near the highest elevation and appears designed to collect any air or vapors that rise from the system? • Which component has piping that suggests it can relieve excess volume or pressure, such as a connection to an overflow or vent line separate from the main circulation loop? • Compare the functions of the heater, pump, storage/return tank, and any overhead vessel—which one would reasonably allow the oil to expand and air to escape without affecting normal circulation?

✅ Before You Answer

• Verify which numbered item is positioned at the top of the system and has a line going upward that could serve as a vent or overflow. • Confirm that the component you choose is not the heater, circulator pump, or main storage/return tank—those have different primary functions. • Make sure the component you select is one that could be partially filled with fluid and space for vapor, consistent with an expansion/deaeration tank.

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Question 1 of 20

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Question 1 / 2066636eef28f7522a1c52038c

Question 1 of 2066636eef28f7522a1c52038c

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Question 1 of 20

66636eef28f7522a1c52038c

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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