116. Your general-purpose supply vessel is fitted with a coil-type, water-tube, forced-circulation auxiliary boiler. What statement best represents the conditions associated with coil water-sides inspection and cleaning?

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coil water-sides are very difficult to inspect and chemical cleaning with a suitable acid is the only practical and efficient method of scale removal.

116. Your general-purpose supply vessel is fitted with a coil-type, water-tube, forced-circulation auxiliary boiler. What statement best represents the conditions associated with coil water-sides inspection and cleaning?

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