The operating principle of a low pressure...

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Question 1 of 205eccef9dbacbc34ba4d46031

The operating principle of a low pressure cut-out switch used as a primary controller in controlling the refrigeration compressor start/stop operation is based on which of the following actions?

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Question 1 of 20

5eccef9dbacbc34ba4d46031

The operating principle of a low pressure cut-out switch used as a primary controller in controlling the refrigeration compressor start/stop operation is based on which of the following actions?

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🔍 Key Concepts

• How a low pressure cut-out switch protects the compressor in a refrigeration system • Difference between pressure-operated and temperature-operated control devices • What location (suction vs discharge) is normally monitored to decide compressor start/stop in normal cycling

💭 Think About

• Ask yourself: does a low pressure cut-out for normal start/stop cycling usually respond to pressure or temperature? • Think about which side of the system (suction or discharge) best reflects the cooling load and evaporator condition for cycling the compressor on and off. • Consider what type of sensing element (bellows vs bimetallic) is commonly used for pressure vs temperature control in refrigeration systems.

✅ Before You Answer

• Verify whether low pressure controllers in standard refrigeration diagrams are connected to suction or discharge lines. • Confirm which sensing element is typically used for pressure (bellows) versus temperature (bimetallic or bulb). • Make sure you distinguish between a safety high-pressure cut-out and a primary low-pressure operating control for compressor cycling.

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Question 1 of 205eccef9dbacbc34ba4d46031

The operating principle of a low pressure cut-out switch used as a primary controller in controlling the refrigeration compressor start/stop operation is based on which of the following actions?

Back

Question 1 of 20

5eccef9dbacbc34ba4d46031

The operating principle of a low pressure cut-out switch used as a primary controller in controlling the refrigeration compressor start/stop operation is based on which of the following actions?

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