單項選擇題()is main emergency fire system in all merchant ships.

A.CO2 system
B.Foam system
C.Dry power system
D.Water supply system


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1.單項選擇題Each fire drill shall not include().

A.Starting of a fire pump
B.Reporting to stations
C.Preparing for the duties described in the muster list
D.Checking of cargo handling equipment

2.單項選擇題Which instrument is used to measure the relative humidity of air?()

A.Hydrometer
B.Hygrometer
C.Spectrometer
D.Barometer

3.單項選擇題()is normally responsible for maintaining records of corrections to navigational charts and nautical publications.

A.The chief officer
B.The second officer
C.The third officer
D.The PSC officer

5.單項選擇題When two power-driven vessels are meeting head-on and there is a risk of collision,each shall().

A.stop her engines
B.alter course to starboard
C.sound the danger signal
D.back down