A possible cause of excessive crankcase...

Question 1 / 205eccef9ebacbc34ba4d46182

Question 1 of 205eccef9ebacbc34ba4d46182

A possible cause of excessive crankcase sweating or frosting of a refrigeration system compressor may be caused by which of the following conditions?

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Question 1 of 20

5eccef9ebacbc34ba4d46182

A possible cause of excessive crankcase sweating or frosting of a refrigeration system compressor may be caused by which of the following conditions?

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🔍 Key Concepts

• Refrigeration compressor crankcase temperature and why it should stay warmer than the evaporator • How liquid refrigerant migration or floodback affects the compressor crankcase and oil • The difference between shortage of refrigerant, excess oil, and superheat in terms of what gets to the compressor

💭 Think About

• Think about which condition would allow cold liquid refrigerant to reach or accumulate in the compressor crankcase instead of staying in the evaporator • Ask yourself: which option would most likely lower the crankcase temperature enough to cause sweating or frosting on the compressor housing? • Consider what high superheat means at the compressor inlet — would that give you more liquid or more vapor at the compressor?

✅ Before You Answer

• Verify which option would increase the likelihood of liquid refrigerant being present at or near the compressor crankcase • Check your understanding of superheat: it means the refrigerant is fully vapor plus extra heat — would that tend to frost the crankcase? • Eliminate any options that would more likely cause warm suction gas to enter the compressor rather than cold liquid or very cold vapor

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Question 1 of 20

A possible cause of excessive crankcase sweating or frosting of a refrigeration system compressor may be caused by which of the following conditions?

a stuck open box solenoid valve

a shortage of refrigerant

too much oil in circulation resulting in an oil-logged evaporator

too much superheat

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Question 1 / 205eccef9ebacbc34ba4d46182

Question 1 of 205eccef9ebacbc34ba4d46182

A possible cause of excessive crankcase sweating or frosting of a refrigeration system compressor may be caused by which of the following conditions?

Back

Question 1 of 20

5eccef9ebacbc34ba4d46182

A possible cause of excessive crankcase sweating or frosting of a refrigeration system compressor may be caused by which of the following conditions?

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