A.Naval firing practice
B.Fire drills
C.Crew drills
D.Survival drills
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A.life boat
B.helicopter
C.fire-fighting
D.medicine
最新試題
Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）
The best method of extinguishing a class A fire is to（）.
Each crewmember has an assigned firefighting station. This assignment is shown on the（）.
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
One of the limitations of foam as an extinguishing agent is that foam（）.
Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
The disadvantage of using CO2 is that the（）.
On a ship，watertight doors should be operated（）.
Lifesaving regulations require that a fire drill include（）.