After lighting off a cold, automatically...

Question 1 / 205eccefa3bacbc34ba4d47c31

Question 1 of 205eccefa3bacbc34ba4d47c31

After lighting off a cold, automatically fired, auxiliary boiler, as steam begins to form, you should __________.

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Question 1 of 20

5eccefa3bacbc34ba4d47c31

After lighting off a cold, automatically fired, auxiliary boiler, as steam begins to form, you should __________.

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🔍 Key Concepts

• Proper warm-up procedures for an automatically fired auxiliary boiler starting from cold • Why vents/air cocks are used during initial raising of steam pressure • When it is safe to close vents and operate valves as pressure increases

💭 Think About

• Think about what happens inside the boiler drum as cold water is heated and steam first begins to form—what else is inside the drum besides water and steam? • Consider which action helps protect the boiler from damage due to trapped air or rapid pressure changes when starting from cold. • Ask yourself: at very low pressure, which fittings should be tested or moved fully open/closed, and which ones should wait until the boiler is warmed and pressure is closer to operating range?

✅ Before You Answer

• Identify which fitting is used specifically to remove air and prevent vacuum/air pockets during startup. • Decide whether it is safe or recommended to fully open the main steam stop when only initial steam is forming. • Consider whether bottom blows and safety valve tests are normally done at very low pressures right at first steam, or at a later, safer point in the warm-up.

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Question 1 of 20

After lighting off a cold, automatically fired, auxiliary boiler, as steam begins to form, you should __________.

close the air cock

give the boiler a bottom blow

test the safety valve

completely open the steam stop

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Question 1 / 205eccefa3bacbc34ba4d47c31

Question 1 of 205eccefa3bacbc34ba4d47c31

After lighting off a cold, automatically fired, auxiliary boiler, as steam begins to form, you should __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47c31

After lighting off a cold, automatically fired, auxiliary boiler, as steam begins to form, you should __________.

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