A firebox explosion in an automatically...

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Question 1 of 205eccefa3bacbc34ba4d47c20

A firebox explosion in an automatically fired auxiliary boiler may be the result of __________.

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Question 1 of 20

5eccefa3bacbc34ba4d47c20

A firebox explosion in an automatically fired auxiliary boiler may be the result of __________.

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🔍 Key Concepts

• Boiler furnace purging procedures before lighting off • How unburned fuel and air can create an explosive mixture • Differences between problems that prevent ignition vs. problems that cause an explosive ignition

💭 Think About

• Which condition would allow a large amount of unburned fuel to build up in the furnace before it finally ignites? • Do faults that stop or weaken the spark usually cause an explosion, or do they usually cause a failure to light off at all? • How does the length and adequacy of the purging cycle affect the concentration of fuel vapors in the furnace?

✅ Before You Answer

• Identify which choices relate to air/fuel mixture buildup in the furnace, not just weak or absent ignition. • Consider whether too much purging or too little purging is more likely to leave a flammable mixture behind. • Ask: does this condition lead to a clean furnace with fresh air, or a furnace with residual fuel vapors still present?

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Question 1 of 205eccefa3bacbc34ba4d47c20

A firebox explosion in an automatically fired auxiliary boiler may be the result of __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47c20

A firebox explosion in an automatically fired auxiliary boiler may be the result of __________.

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