A.boathook
B.fishing kit
C.lifeline or grab rail
D.sea painter
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A.cutting off the supply of oxygen
B.removing the fuel
C.cooling below the ignition temperature
D.spraying with water
A.on line to the fire main
B.kept available for use on the fire main at all times
C.capable of being connected to the fire main
D.rated at or above 125 psi
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
A.shape
B.shallow draft
C.large sail area
D.All of the above
A.Running into head seas
B.Running in the trough
C.Running with following seas
D.Anchored with your bow into the seas
最新試題
Inflatable liferafts are less maneuverable than lifeboats due to their（）.
Multiple fire pumps may be used for other purposes provided that one pump is（）.
AN ILLNESS PREFERABLY OF AN INFECTIOUS NATURE SEIZING MORE THAN TWO PERSONS ON BOARD AT THE SAME TIME defines（）.
A negative metacentric height（）.
On a ship，a fire pump may be used for other purposes if（）.
On a rigid liferaft which is equipped with all of the required equipment you may NOT find a（）.
A racetrack turn would be better than a Williamson turn in recovering a man overboard if（）.
Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces，such as in a pumproom，provided that the（）.
If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.
In which situation could a vessel most easily capsize?（）