The position of the controlling diaphragm...

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Question 1 of 205eccefa5bacbc34ba4d487c1

The position of the controlling diaphragm "E", shown in the illustration of the spring-loaded reducing valve, is determined by the __________. See illustration GS-0044.

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Question 1 of 20

5eccefa5bacbc34ba4d487c1

The position of the controlling diaphragm "E", shown in the illustration of the spring-loaded reducing valve, is determined by the __________. See illustration GS-0044.

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🔍 Key Concepts

• Force balance on the diaphragm in a spring-loaded reducing valve • Difference between inlet (high) pressure and outlet (reduced) pressure sensing lines • Role of the adjusting spring F and screw G in setting outlet pressure

💭 Think About

• Look at where the sensing passage from the outlet side leads under diaphragm E. Is that high-pressure inlet steam or reduced outlet steam? • Ask yourself: when the outlet pressure gets too high, which way will diaphragm E move, and which force must it overcome to move? • Which components actually touch or directly load diaphragm E, and which only influence it indirectly through flow control?

✅ Before You Answer

• Trace the small passage from the OUTLET J area to see what pressure acts on the underside of diaphragm E. • Confirm that the only direct mechanical load from above on diaphragm E is from spring F, which is set by screw G. • Eliminate any option that relies on high-pressure inlet steam acting directly on diaphragm E, if the diagram shows otherwise.

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Study

Question 1 of 205eccefa5bacbc34ba4d487c1

The position of the controlling diaphragm "E", shown in the illustration of the spring-loaded reducing valve, is determined by the __________. See illustration GS-0044.

Back

Question 1 of 20

5eccefa5bacbc34ba4d487c1

The position of the controlling diaphragm "E", shown in the illustration of the spring-loaded reducing valve, is determined by the __________. See illustration GS-0044.

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