Concerning air-conditioning system steam...

Concerning air-conditioning system steam heating coils, what statement is true?

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🔍 Key Concepts

• Steam heating coil construction: difference between serpentine (continuous bent tube) and header (multiple parallel tubes into a header) types • Drainage and air venting: how condensate drains and air vents in steam coils, and why orientation matters • Installation practice in HVAC (Heating, Ventilation, and Air Conditioning) coils using steam vs. chilled water

💭 Think About

• Think about which coil construction (serpentine or header) is more common in air-conditioning applications that use steam, and why that might be the case from a manufacturing and maintenance standpoint. • Consider how condensate forms inside steam coils and what orientation (vertical or horizontal) will help it drain properly without causing water hammer or freezing problems. • Ask yourself: in practice, would you want many short parallel tubes connected to headers, or one long bent tube, when you need reliable steam distribution and condensate removal?

✅ Before You Answer

• Check which coil type is most often mentioned in marine HVAC descriptions for steam heating coils (serpentine vs header). • Verify which orientation (vertical or horizontal) best promotes complete condensate drainage from the lowest point of the coil without trapping water. • Make sure the option you choose matches both the usual coil type and the preferred installation orientation; eliminate any choices that get either part wrong.

🔍 Key Concepts

💭 Think About

✅ Before You Answer