Which of the following labeled items of the...

Question 1 / 2066636ef128f7522a1c521340

Question 1 of 2066636ef128f7522a1c521340

Which of the following labeled items of the illustrated air register and burner assembly represents the poke hole cover and would be temporarily removed to poke through a clinker? Illustration SG-0016

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🔍 Key Concepts

• Location and purpose of a poke hole on a boiler front • Difference between a sight port/peep hole and a solid access opening • How a removable cover is typically drawn in machinery illustrations

💭 Think About

• Look at items 12, 13, 14, and 15: which one is clearly designed for temporarily removing and inserting a long rod straight into the furnace rather than for viewing or for moving linkages? • Which labeled part looks most like a protective plate or plug (not hinged linkage, not glass) that could be taken off and then reinstalled quickly? • Consider where clinkers form relative to the burner: which opening is positioned so a rod could reach that area effectively?

✅ Before You Answer

• Identify which symbols indicate glass or viewing ports versus solid metal covers • Confirm that the chosen label is on the furnace front plate and not part of a lever or linkage • Make sure the opening you pick would allow a rod to pass directly into the combustion chamber, not sideways into piping or mechanisms

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Question 1 of 20

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Question 1 / 2066636ef128f7522a1c521340

Question 1 of 2066636ef128f7522a1c521340

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Question 1 of 20

66636ef128f7522a1c521340

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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