Question 484Steam Plants - Assistant Engineer
70% to passWhen a boiler economizer is fitted with a valved bypass, Coast Guard Regulations
AA
BB
CC
DD
AI Explanation
The correct answer is A. When a boiler economizer is fitted with a valved bypass, Coast Guard Regulations require that the bypass be kept open during startup and shutdown to prevent thermal shock to the economizer. This protects the economizer from damage due to sudden changes in temperature. The other options are incorrect as they do not accurately describe the regulatory requirements for a boiler economizer with a valved bypass.
Related Questions
Q104:The correct method of expanding a generating tube at the boiler drum tube sheet ... Q443:The popping pressure of the safety valve, shown in the illustration, is controll... Q209:Bi-color water level indicators, connected directly to the boiler drum, operate ... Q108:Which of the following actions, if any, should be taken if the water gage glass ... Q353:If a boiler tube bank baffle carries away, or burns through, there will be _____...
Ready to test your knowledge?
Take a Steam Plants - Assistant Engineer Practice ExamOfficial Resources