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In the following figure of the air furnace, what does the question mark represent? (a)Firing door

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in Casting-Forming-Welding II by (119k points)
In the following figure of the air furnace, what does the question mark represent?

(a) Firing door

(b) Firing place

(c) Firing bridge

(d) Firing bars

I got this question in an interview for job.

The doubt is from Reverberatory Furnace topic in division Metal Furnace and Practice of Casting-Forming-Welding II

1 Answer

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Best answer
Right choice is (a) Firing door

Best explanation: The given figure is that of an air furnace or a reverberatory furnace. The question mark in the picture is depicting a firing door. Air and fuel are flown through this door only.

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