When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.

Firefighting experts agree that the first six minutes of a fire are the most important （）saving lives and getting the fire under control. A: due to B: in terms of C: in spite of D: regardless of

If heavy smoke is coming from the paint locker,the first firefighting response should be to（）. A: release the CO fiooding system B: open the door to evaluate of the fire C: enter and use a portable extinguisher D: secure the ventilatio

Which of the following is NOT the Third Officer’s responsibility? A: The Third Officer takes charge of appropriate cargo watch in port. B: The Third Officer takes the medical duty on board a ship. C: The Third Officer is responsible for the maintenance and inspection of all life saving and firefighting equipment. D: The Third Officer is responsible for the maintenance of log and inventory book.

Which of the following is NOT the Third Officer’s responsibility? A: The Third Officer takes charge of appropriate cargo watch in port. B: The Third Officer takes the medical duty on board a ship. C: The Third Officer is responsible for the maintenance and inspection of all life saving ang firefighting equipment. D: The Third Officer is responsible for the maintenance of log and inventory book.