Concerning the arrangement of equipment and...

Question 1 / 2066636eee28f7522a1c51e706

Question 1 of 2066636eee28f7522a1c51e706

Concerning the arrangement of equipment and associated hoses shown in the illustration, which statement is true? Illustration RA-0059

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Question 1 of 20

66636eee28f7522a1c51e706

Concerning the arrangement of equipment and associated hoses shown in the illustration, which statement is true? Illustration RA-0059

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🔍 Key Concepts

• Location of the hose connection on a centrifugal chiller evaporator shell and whether that space normally contains liquid or vapor refrigerant • Difference between vapor recovery and liquid recovery methods and what phase the recovery machine actually pulls from the chiller in this setup • EPA/USCG-style requirements that you must remove most of the charge, not just what can be pulled off easily in one pass

💭 Think About

• Follow the refrigerant path: from the chiller shell, through the hose, into the condensing unit, and then into the containment tank. At each step, ask yourself: is the refrigerant mainly vapor or liquid here? • Look at where the recovery hose taps into the chiller. In normal operation of a flooded centrifugal evaporator, what is above and what is below that connection point? • Consider whether a single connection pulling off mostly one phase (vapor or liquid) would remove the entire charge and meet the required evacuation levels, or if additional steps are usually needed.

✅ Before You Answer

• Identify the phase of refrigerant at the chiller connection point under normal operating conditions of a flooded centrifugal chiller • Confirm what the condensing unit actually does to the refrigerant before it reaches the containment tank (compression and condensation vs simple pumping of liquid) • Verify whether venting anything back to the chiller shell would be consistent with proper recovery and environmental rules.

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Question 1 of 20

Concerning the arrangement of equipment and associated hoses shown in the illustration, which statement is true? Illustration RA-0059

When recovering refrigerant from the centrifugal chiller using this method, it is possible to achieve the recovery levels required by law without any further recovery.

When recovering refrigerant from the centrifugal chiller using this method, the entire charge may be removed in one procedure.

When recovering refrigerant from the centrifugal chiller using this method, the containment tank should be vented back to the chiller evaporator shell.

When recovering refrigerant from the centrifugal chiller using this method, the refrigerant is being recovered as a liquid.

Question 1 / 2066636eee28f7522a1c51e706

Question 1 of 2066636eee28f7522a1c51e706

Concerning the arrangement of equipment and associated hoses shown in the illustration, which statement is true? Illustration RA-0059

Back

Question 1 of 20

66636eee28f7522a1c51e706

Concerning the arrangement of equipment and associated hoses shown in the illustration, which statement is true? Illustration RA-0059

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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