When a refrigerated compartment of a...

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Question 1 of 205eccef9dbacbc34ba4d46059

When a refrigerated compartment of a multi-box system served by one compressor reaches the correct temperature, temperature control in that one compartment is achieved by what means?

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5eccef9dbacbc34ba4d46059

When a refrigerated compartment of a multi-box system served by one compressor reaches the correct temperature, temperature control in that one compartment is achieved by what means?

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🔍 Key Concepts

• Multi-box refrigeration systems usually have one compressor and multiple evaporators (one in each box). • Each box typically has its own temperature control device that starts/stops or admits refrigerant flow to that box when the desired box temperature is reached. • Understand the different roles of a thermal expansion valve, a back pressure regulating valve, a box solenoid, and a low-pressure cutout in the system.

💭 Think About

• Which component in a multi-box system actually responds to the box air temperature in an individual compartment and directly stops or allows refrigerant flow to that box? • Which device is usually controlled by a thermostat inside the box, as opposed to sensing suction pressure or evaporator outlet superheat? • Think about what each option measures or controls: is it box temperature, evaporator outlet superheat, suction pressure, or compressor protection? Which one would be used to control temperature in ONE compartment only?

✅ Before You Answer

• For each choice, identify what physical quantity it senses (box temperature, pressure, or superheat). • Verify which device is typically unique to each compartment in a multi-box system and is controlled by that compartment’s thermostat. • Eliminate any device that mainly protects the compressor or suction line as a whole, rather than controlling just one box.

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Question 1 of 205eccef9dbacbc34ba4d46059

When a refrigerated compartment of a multi-box system served by one compressor reaches the correct temperature, temperature control in that one compartment is achieved by what means?

Back

Question 1 of 20

5eccef9dbacbc34ba4d46059

When a refrigerated compartment of a multi-box system served by one compressor reaches the correct temperature, temperature control in that one compartment is achieved by what means?

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

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