Question 269Steam Plants - 1st Asst/Chief70% to pass
If a major flareback occurs to a boiler, which of the following actions should be immediately taken?
AI Explanation
The correct answer is D) Secure the fuel to the burners.
In the event of a major flareback to a boiler, the immediate action that should be taken is to secure the fuel supply to the burners. This is because a flareback is an uncontrolled ignition of fuel vapors, which can lead to a dangerous situation. By securing the fuel, the source of the problem is eliminated, preventing further flare-ups and potential damage to the boiler or the surrounding equipment.
The other options are not the correct immediate actions to take. Purging the fuel oil system (A) or securing the forced draft fan (C) would not address the immediate risk of the flareback. Securing all fire room ventilation (B) could potentially worsen the situation by limiting the air supply, which could lead to incomplete combustion and further flare-ups.
Related Questions
#267 Your vessel is steaming full ahead and operating on both boilers. If the boiler water level of one boiler drops out of sight low in the sight glass and the burners have been secured, besides slowing down the main engine, what further action should be taken? #268 Which of the casualties listed is apt to occur immediately after a high water casualty? #270 Which action should be taken if the water level in the boiler gage glass drops out of sight and the burners fail to secure automatically? #271 Which of the following actions should be carried out if the boiler water level is falling due to a tube failure? #272 After restoring the normal water level in a boiler following a high water casualty, you should _______________.