單項選擇題On a ship，when may a work vest be substituted for a required life preserver?（）

A.To replace a damaged life preserver
B.For use during fire drills
C.For use during boat drills
D.At no time


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1.單項選擇題On a ship，watertight doors should be operated（）.

A.during abandon drill
B.during fire drill
C.weekly
D.when the rig is being moved

2.單項選擇題On a ship，a fire drill shall be conducted once every（）.

A.week
B.month
C.crew change
D.other week

3.單項選擇題Lifesaving regulations require that a fire drill include（）.

A.starting the fire pumps
B.checking the operation of watertight doors
C.checking arrangements for abandon ship
D.All of the above

4.單項選擇題How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）

A.6 months
B.1 year
C.3 years
D.Until the next inspection for certification

5.單項選擇題Each crewmember has an assigned firefighting station. This assignment is shown on the（）.

A.fire fighting plan
B.shipping articles
C.Certificate of Inspection
D.muster list