Water flow occurs through the unit shown in...

Question 1 / 205eccef9bbacbc34ba4d453bd

Question 1 of 205eccef9bbacbc34ba4d453bd

Water flow occurs through the unit shown in the illustration when __________. See illustration GS-0155.

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Question 1 of 20

5eccef9bbacbc34ba4d453bd

Water flow occurs through the unit shown in the illustration when __________. See illustration GS-0155.

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🔍 Key Concepts

• Study the flow path from the INLET (II) to the OUTLET (III) and identify which part actually opens the passage for water to move. • Think about the cause‑and‑effect sequence: motion of the handle (E), movement of the pilot/diaphragm area (C), and position of the main valve element (A). • Consider how a diaphragm-operated valve works: pressure above and below the diaphragm, a pilot passage (H), and how changing that pressure difference makes the diaphragm move.

💭 Think About

• Which single component’s position physically separates or connects the inlet chamber to the outlet chamber? Trace the blue shaded areas and the seating surface. • If the handle (E) is moved but the main closure element does not change position, would water actually flow? What if the diaphragm moves but the closure element stays seated? • Are some of the answer choices describing causes and others describing the final condition that must exist for flow?

✅ Before You Answer

• Identify the exact sealing surface that blocks flow from II to III in the ‘no‑flow’ condition. • Verify which labeled part is in direct contact with that sealing surface when the valve is shut (critical). • Decide whether water can flow if that sealing surface remains closed, even if the other parts move as described.

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Question 1 of 20

Water flow occurs through the unit shown in the illustration when __________. See illustration GS-0155.

"A" is tilted off of its seat

"C" lifts due to the decrease in pressure on top of the diaphragm

"E" is moved from the position shown

all of the above

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Question 1 / 205eccef9bbacbc34ba4d453bd

Question 1 of 205eccef9bbacbc34ba4d453bd

Water flow occurs through the unit shown in the illustration when __________. See illustration GS-0155.

Back

Question 1 of 20

5eccef9bbacbc34ba4d453bd

Water flow occurs through the unit shown in the illustration when __________. See illustration GS-0155.

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