Which of the following adjustments will...

Question 1 / 205eccefa5bacbc34ba4d487eb

Question 1 of 205eccefa5bacbc34ba4d487eb

Which of the following adjustments will cause the illustrated valve, to close at a lower loading pressure? See illustration GS-0051.

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Question 1 of 20

5eccefa5bacbc34ba4d487eb

Which of the following adjustments will cause the illustrated valve, to close at a lower loading pressure? See illustration GS-0051.

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🔍 Key Concepts

• How spring force opposes fluid pressure in a pressure‑controlled valve • The relationship ( F_{spring} = P \times A ) (pressure times diaphragm or piston area) at the point where the valve just closes or opens • How changing spring compression or spring stiffness (rate) shifts the pressure at which the valve will move

💭 Think About

• In the illustration, which direction must the spring force act to push the valve toward the closed position? Then, should that spring force be stronger or weaker if you want the valve to close at a lower line pressure? • Look carefully at part No. 6 and sleeve No. 12: which one directly increases the force the spring applies at any given deflection, and which one changes only how much the spring is pre‑compressed in the installed position? • If the valve is currently set to close at a higher pressure, what must happen to the net force balance (spring vs. pressure) to make it return to the closed position earlier as pressure drops?

✅ Before You Answer

• Identify clearly which parts in the drawing actually change spring tension/compression on item No. 6. • Decide whether each listed adjustment would increase or decrease the force pushing the valve toward the closed seat when system pressure falls. • Before choosing, verify that your option would make it take less pressure to balance the spring force at the just‑closed position (i.e., lower set pressure).

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Question 1 of 20

Which of the following adjustments will cause the illustrated valve, to close at a lower loading pressure? See illustration GS-0051.

Increasing the compression on spring No. 6

Replacing the spring with one that has a higher compression value

Screwing up on sleeve No. 12

Reducing the spring tension of item No. 6

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Question 1 / 205eccefa5bacbc34ba4d487eb

Question 1 of 205eccefa5bacbc34ba4d487eb

Which of the following adjustments will cause the illustrated valve, to close at a lower loading pressure? See illustration GS-0051.

Back

Question 1 of 20

5eccefa5bacbc34ba4d487eb

Which of the following adjustments will cause the illustrated valve, to close at a lower loading pressure? See illustration GS-0051.

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