Which of the following actions takes place...

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Question 1 of 2066636eef28f7522a1c51fafe

Which of the following actions takes place in the control circuit of a semi-automatic (manual ignition) fired auxiliary boiler when the desired steam pressure is obtained?

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Question 1 of 20

66636eef28f7522a1c51fafe

Which of the following actions takes place in the control circuit of a semi-automatic (manual ignition) fired auxiliary boiler when the desired steam pressure is obtained?

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🔍 Key Concepts

• Pressuretrol / pressure control function in a semi-automatic boiler • Difference between ignition circuit and burner motor/burner circuit • What happens at cut-out and cut-in steam pressures in automatic control

💭 Think About

• When the boiler reaches the desired (cut-out) steam pressure, what must happen so the pressure does not keep rising? Think about whether ignition and fuel supply are still needed. • In a semi-automatic manual ignition system, can the burner immediately be restarted by the operator at any pressure, or is there an interlock related to steam pressure? • Which of the options describes an action that is controlled by steam pressure rather than by temperature or stack conditions?

✅ Before You Answer

• Identify which choices mention a control that responds to steam pressure, not temperature or stack gases. • Check which option implies an interlock that stops the burner and also controls when it is allowed to restart (cut-in vs. cut-out pressure). • Eliminate any choice that would permanently secure ignition or burner power without reference to the pressure falling back below a set cut-in pressure.

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Question 1 of 2066636eef28f7522a1c51fafe

Which of the following actions takes place in the control circuit of a semi-automatic (manual ignition) fired auxiliary boiler when the desired steam pressure is obtained?

Back

Question 1 of 20

66636eef28f7522a1c51fafe

Which of the following actions takes place in the control circuit of a semi-automatic (manual ignition) fired auxiliary boiler when the desired steam pressure is obtained?

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

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