Question 620General Subjects - Assistant Engineer
70% to passWhich of the following fire extinguishing agents which may be found aboard ship is designated as an ozone-depleting substance as defined in the Montreal Protocol on Substances that Deplete the Ozone Layer and is controlled as a result?
ACO2
BHalon 1301
CCartridge-operated dry chemical
DCartridge-operated dry powder
AI Explanation
The correct answer is B) Halon 1301. Halon 1301 is a fire extinguishing agent that is designated as an ozone-depleting substance under the Montreal Protocol. As a result, the production and use of Halon 1301 is controlled and regulated. The other options are incorrect because: A) CO2 is not an ozone-depleting substance. C) Cartridge-operated dry chemical is also not an ozone-depleting substance. D) Cartridge-operated dry powder is also not an ozone-depleting substance.
Related Questions
Q391:Air leakage between the shaft and stuffing box packing in a centrifugal pump is ... Q326:Which of the following propulsor types does not require the use of a separate ru... Q390:A recirculating, or bleed-off line is installed on a centrifugal pump in order t... Q327:What type of propeller consists of a flat disc set flush with the under surface ... Q34:When checking the oil level on a reciprocating air compressor fitted with a dips...
Ready to test your knowledge?
Take a General Subjects - Assistant Engineer Practice ExamOfficial Resources