Item "J" in the pump illustration...

Question 1 / 205eccef9bbacbc34ba4d45472

Question 1 of 205eccef9bbacbc34ba4d45472

Item "J" in the pump illustration __________. See illustration GS-0129.

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Question 1 of 20

5eccef9bbacbc34ba4d45472

Item "J" in the pump illustration __________. See illustration GS-0129.

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🔍 Key Concepts

• Study the flow path of the pump casing and note where item J connects relative to suction and discharge. • Think about why a centrifugal pump handling hot water might need a small bypass or recirculation line. • Compare the function of a vent for non‑condensable gases versus a bypass/recirculation line in a closed-loop system.

💭 Think About

• Does item J appear to be a grease point, a vent at the highest point, or a line that would carry liquid from one part of the pump to another? • If this pump were used in a hot-water circulation system, what problem could occur at low flow that a small connection between J and the area at C would help prevent? • Where would non‑condensable gases naturally collect in this pump, and is that where J is located?

✅ Before You Answer

• Verify whether J is located at a bearing or packing (where grease would be used) or in the liquid passage of the pump casing. • Check if C is positioned so that a line from J to C would return liquid from discharge back toward suction, forming a minimum‑flow bypass. • Confirm whether a true gas vent would normally be located at the absolute highest point of the liquid space, and compare that to J’s position.

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Question 1 of 20

Item "J" in the pump illustration __________. See illustration GS-0129.

should be replaced by a grease fitting for semi-annual lubrication

will need to be piped to a fitting installed in place of the plug (in area "C") when the pump is used for hot water circulation

will need to be piped to a fitting installed in place of the plug (in area "C") when the pump is used for cool potable water

is provided to vent the pump of collected non-condensable gases

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Question 1 / 205eccef9bbacbc34ba4d45472

Question 1 of 205eccef9bbacbc34ba4d45472

Item "J" in the pump illustration __________. See illustration GS-0129.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45472

Item "J" in the pump illustration __________. See illustration GS-0129.

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?

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