A.Fire patrol
B.Fire control
C.Smoke detection
D.Fire drill
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A.Naval firing practice
B.Fire drills
C.Crew drills
D.Survival drills
A.life boat
B.helicopter
C.fire-fighting
D.medicine
最新試題
Radiation spreads a fire by（）.
Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
On a ship，watertight doors should be operated（）.
The bilge pump on a fishing vessel（）.
The brickwork surrounding the firebox of a boiler is known as（）.
One of the limitations of foam as an extinguishing agent is that foam（）.
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（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
One advantage of the all-purpose nozzle is that it（）.
The blocking or absence of fire dampers can cause（）.