The purpose of the vertical 'grooves'...

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Question 1 of 205eccefa5bacbc34ba4d487b3

The purpose of the vertical 'grooves' machined on the main valve "G", in the spring loaded temperature regulating valve shown in the illustration, is to __________. See illustration GS-0045.

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Question 1 of 20

5eccefa5bacbc34ba4d487b3

The purpose of the vertical 'grooves' machined on the main valve "G", in the spring loaded temperature regulating valve shown in the illustration, is to __________. See illustration GS-0045.

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🔍 Key Concepts

• Flow path through the valve body and how the main valve "G" moves relative to the seat • How small machined passages or grooves affect pressure drop and stability in control valves • The relationship between valve trim design and control sensitivity in a temperature-regulating valve

💭 Think About

• Look at where the grooves are located on the main valve "G". Do they interact more with the upstream, the throttling area, or the downstream flow? • In a temperature-regulating valve, what feature would help the valve avoid hunting (rapid cycling open/closed) and allow smoother, more precise positioning? • Which of the options describes an effect that would help the valve respond in smaller, more controlled steps rather than large abrupt changes?

✅ Before You Answer

• Trace the inlet and outlet arrows and see at what point the fluid actually passes the grooved surface of "G" • Decide whether the grooves mainly change noise/turbulence or the valve’s control behavior (how finely it can throttle) • Ask yourself which option would most directly be improved by shaping the valve plug surface where throttling occurs: noise, pressure-surge protection, or control sensitivity

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Study

Question 1 of 205eccefa5bacbc34ba4d487b3

The purpose of the vertical 'grooves' machined on the main valve "G", in the spring loaded temperature regulating valve shown in the illustration, is to __________. See illustration GS-0045.

Back

Question 1 of 20

5eccefa5bacbc34ba4d487b3

The purpose of the vertical 'grooves' machined on the main valve "G", in the spring loaded temperature regulating valve shown in the illustration, is to __________. See illustration GS-0045.

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