The device shown in the illustration is used...

Question 1 / 205eccef9dbacbc34ba4d46044

Question 1 of 205eccef9dbacbc34ba4d46044

The device shown in the illustration is used for what purpose? See illustration GS-RA-13.

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Question 1 of 20

5eccef9dbacbc34ba4d46044

The device shown in the illustration is used for what purpose? See illustration GS-RA-13.

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🔍 Key Concepts

• Identify how control oil pressure and crankcase pressure are used in the device • Notice references to capacity control valve, unloader power element, and suction valve disc • Think about how large refrigeration compressors change their capacity without stopping the machine

💭 Think About

• What function does an unloader normally perform on a reciprocating compressor? • If the device is acting on the suction valves, is it more likely controlling room temperature directly, or changing how much gas the compressor actually pumps? • Which options describe a device that works mainly with oil pressure and crankcase pressure, rather than air temperature or humidity?

✅ Before You Answer

• Look for labels mentioning capacity control or unloader and match them to the answer choices • Confirm whether the diagram shows multiple unloader power elements that could be connected to several cylinders or heads • Verify whether any part of the drawing shows direct sensing of box temperature or humidity, or only pressures within the compressor system

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Question 1 of 20

The device shown in the illustration is used for what purpose? See illustration GS-RA-13.

refrigeration compressor capacity control unloading mechanism

air conditioning proportional-plus-reset, humidity/ temperature ratio controller

multi-box back pressure regulator with surge chamber

combined box temperature thermostat and thermal expansion device

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Question 1 / 205eccef9dbacbc34ba4d46044

Question 1 of 205eccef9dbacbc34ba4d46044

The device shown in the illustration is used for what purpose? See illustration GS-RA-13.

Back

Question 1 of 20

5eccef9dbacbc34ba4d46044

The device shown in the illustration is used for what purpose? See illustration GS-RA-13.

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