The illustrated device is in operation when...

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Question 1 of 205eccef9bbacbc34ba4d45557

The illustrated device is in operation when __________. See illustration GS-0061.

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5eccef9bbacbc34ba4d45557

The illustrated device is in operation when __________. See illustration GS-0061.

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🔍 Key Concepts

• Follow the flow arrows at points B and G to determine which way the liquid can move through the check valves. • Compare the shape of the device to a typical double-diaphragm pump vs a pneumatic feedback controller – look for diaphragms, check valves, and liquid chambers. • Remember that suction occurs where fluid is drawn into the pump chamber and discharge occurs where fluid is forced out through a one-way valve.

💭 Think About

• Look closely at the arrow symbols at B and G: do they show fluid entering the device or leaving it during operation? • When the diaphragms marked near A and E move outward, where would low pressure be created, and which check valve (B or G) would open as a result? • Does the internal layout (C, D, F) look more like a control relay with feedback lines, or like a pump with inlet and outlet check valves?

✅ Before You Answer

• Verify which side’s check valve symbol at B or G is oriented to allow flow into the chamber (this must be the suction side). • Verify which side’s check valve allows flow out of the chamber only (this must be the discharge side). • Confirm for yourself whether any parts are actually labeled or drawn like a pressure differential relay or force-balance relay before choosing options A or B.

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Question 1 of 205eccef9bbacbc34ba4d45557

The illustrated device is in operation when __________. See illustration GS-0061.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45557

The illustrated device is in operation when __________. See illustration GS-0061.

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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