The purpose of boiler tube curvature shown in the illustration in the area labeled "L" is to __________. See illustration SG-0007.

Question

Accepted Answer

allow for access to the superheater cavity

Answer

accommodate an oil burner for separately firing the superheater

Answer

compensate for the greater degree of expansion in the superheater area

Answer

accommodate an inspection port used to view superheater conditions while steaming

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