Question 625General Subjects - Assistant Engineer70% to pass
In accordance with the international MARPOL Annex VI regulations, which of the listed substances are prohibited from being burned in a shipboard incinerator?
AI Explanation
The correct answer is A) Polychlorinated biphenyls (PCBs).
Under MARPOL Annex VI regulations, PCBs are prohibited from being burned in shipboard incinerators. This is because PCBs are highly toxic and persistent organic pollutants that can have severe environmental and health impacts when released. The regulations aim to prevent the incineration of such hazardous substances onboard ships.
The other options are incorrect because oil residue sludges, unground garbage, and sewage waste sludges are generally permitted to be incinerated onboard, as long as the incinerator meets the applicable air emissions standards under MARPOL Annex VI.
Related Questions
#623 In accordance with the international MARPOL Annex VI regulations, the sulfur content of any fuel oil used onboard ships shall not exceed what percentage by weight? #624 In accordance with the international MARPOL Annex VI regulations, in the absence of an exhaust gas cleaning system, what is the maximum allowable sulfur content for a fuel to be burned while the ship is operating in an emissions control area? #626 In accordance with the international MARPOL Annex VI regulations, which of the listed substances are prohibited from being burned in a shipboard incinerator? #627 In accordance with the international MARPOL Annex VI regulations, what is the minimum allowable flue gas outlet temperature for a continuous-fed shipboard incinerator while in operation? #628 In accordance with the international MARPOL Annex VI regulations, what is a permissible alternative to burning oil residue sludge in an appropriate incinerator?