Properties of a good refrigeration...

Question 1 / 205eccef9dbacbc34ba4d46015

Question 1 of 205eccef9dbacbc34ba4d46015

Properties of a good refrigeration compressor lubricating oil include which of the following?

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Question 1 of 20

5eccef9dbacbc34ba4d46015

Properties of a good refrigeration compressor lubricating oil include which of the following?

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🔍 Key Concepts

• Behavior of lubricating oil at low temperatures in refrigeration systems • Meaning of viscosity, pour point, and wax content in oils • Why oil must circulate and not solidify or thicken excessively in cold parts of the system

💭 Think About

• Think about what happens to very thick (high viscosity) oil when it is exposed to the extremely cold conditions inside a refrigeration system. Does that help oil flow, or restrict it? • Consider the effect of wax in oil at low temperatures. What would wax do as temperature drops inside evaporators and lines? • Ask yourself whether a high pour point (the temperature at which oil stops flowing) is desirable in a system that routinely operates at very low temperatures.

✅ Before You Answer

• Make sure you understand that pour point should be appropriate for the lowest operating temperature of the system • Check whether wax content should be high or low for good low‑temperature flow properties • Verify if very high viscosity is generally good or bad for lubrication and circulation at low temperatures

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Question 1 of 20

Properties of a good refrigeration compressor lubricating oil include which of the following?

high viscosity

low wax content

high pour point

all of the above

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Question 1 / 205eccef9dbacbc34ba4d46015

Question 1 of 205eccef9dbacbc34ba4d46015

Properties of a good refrigeration compressor lubricating oil include which of the following?

Back

Question 1 of 20

5eccef9dbacbc34ba4d46015

Properties of a good refrigeration compressor lubricating oil include which of the following?

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?

Quick actions

— No credit card needed