A.avoid any swing in a restricted space
B.prevent to touch with other vessels
C.make a convenience of cargo discharging
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A.damp/water
B.dampness/sweater
C.wet/condensation
D.wetness/dew
A.return the vesselto an even keel
B.reduces free surface effect
C.lowers the center of gravity
D.raises the center of buoyancy
A.stowed near open flame or where smoking is permitted
B.used as seats, pillows, or foot rests
C.left on open decks
D.All of the above
A.ballast
B.reserve buoyancy
C.displacement
D.rolling periods
A.persons in the space wear gas masks
B.persons in the space wear damp cloths over their mouths and nostrils
C.ventilation system is secured and all persons leave the space
D.ventilation system is kept operating
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The mean draft of a ship is the draft（）.
When steering by autopilot,how often should the steering be checked?（）
Manoeuvring information can not be obtained from（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
A tide is called diurnal when（）.
（）is where the crew eat their meals.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Which of the following shall not the officers in charge of the navigational watch do?（）