The lubrication oil in the crankcase of a...

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Question 1 of 205eccef9dbacbc34ba4d46017

The lubrication oil in the crankcase of a refrigeration compressor that is shut down is heated. For what purpose is this done?

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5eccef9dbacbc34ba4d46017

The lubrication oil in the crankcase of a refrigeration compressor that is shut down is heated. For what purpose is this done?

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🔍 Key Concepts

• Refrigerant–oil relationship in the crankcase when the compressor is idle • How temperature affects refrigerant dissolving into or coming out of oil • What happens to moisture and contaminants in oil when it is gently heated

💭 Think About

• When a compressor is shut down, what does the refrigerant tend to do in cooler oil—dissolve into it, boil off, or separate? • If you slightly raise the oil temperature, which of the listed effects is most important for protecting the compressor at the next start? • Which choice directly addresses avoiding liquid or gas refrigerant problems inside the crankcase on start‑up, rather than cleaning or conditioning the oil?

✅ Before You Answer

• Identify which option deals specifically with refrigerant behavior in oil, not general oil cleaning. • Ask: Does gentle crankcase heating usually reach temperatures high enough to remove water, wax, or gum from lube oil? • Consider which effect would reduce the risk of damage (like foaming, loss of lubrication, or slugging) when the compressor restarts.

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Question 1 of 205eccef9dbacbc34ba4d46017

The lubrication oil in the crankcase of a refrigeration compressor that is shut down is heated. For what purpose is this done?

Back

Question 1 of 20

5eccef9dbacbc34ba4d46017

The lubrication oil in the crankcase of a refrigeration compressor that is shut down is heated. For what purpose is this done?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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