(1.5.5.4-4) The setpoint adjustment of the...

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Question 1 of 2066636eee28f7522a1c51f2d1

(1.5.5.4-4) The setpoint adjustment of the device shown in the illustration is made by rotating what component? Illustration RA-0014

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Question 1 of 20

66636eee28f7522a1c51f2d1

(1.5.5.4-4) The setpoint adjustment of the device shown in the illustration is made by rotating what component? Illustration RA-0014

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🔍 Key Concepts

• This device is a temperature-controlled water regulating valve operated by a remote bulb (1) and an internal spring mechanism. • Changing the setpoint means changing how much force the internal spring applies before the valve starts to move. • On this type of valve, you normally adjust setpoint by turning the part that compresses or relaxes the spring, not the sensor bulb or the housing.

💭 Think About

• Trace the force path: as temperature changes, the bulb (1) and bellows push on the stem. Which numbered component changes the opposing spring force? • Compare the four numbered parts: which one is clearly meant to be turned with a tool (slot or wrench flats) to move up/down against the spring? • Which numbered part looks more like a lock or cover, and which looks like an actual adjustment screw or knob?

✅ Before You Answer

• Identify which number is directly in line with the spring and would move when rotated, changing spring compression. • Verify that the part you pick is something a technician could realistically turn during calibration (e.g., has a screwdriver slot or wrench flats). • Confirm that the parts you reject are either the sensor bulb (remote element) or simply covers/housings that don’t change spring preload when rotated.

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Question 1 of 2066636eee28f7522a1c51f2d1

(1.5.5.4-4) The setpoint adjustment of the device shown in the illustration is made by rotating what component? Illustration RA-0014

Back

Question 1 of 20

66636eee28f7522a1c51f2d1

(1.5.5.4-4) The setpoint adjustment of the device shown in the illustration is made by rotating what component? Illustration RA-0014

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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