If the maximum steam generating capacity of a boiler is increased Coast Guard Regulations (46 CFR) require that the safety valve's __________.

Correct Answer: Option C — relieving capacity be checked

Title 46 CFR dictates that when a boiler's maximum steam generating capacity increases, the total relieving capacity of its safety valves must be re-evaluated and checked to ensure it safely handles the higher volume of steam generated without excessive pressure accumulation.