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
Separation cloths may be used to（）.
A right-handed propeller will cause the survival craft to（）.
A racetrack turn would be better than a Williamson turn in recovering a man overboard if（）.
On a ship，a fire pump may be used for other purposes if（）.
In heavy seas the helmsman should steer the motor lifeboat（）.
Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces，such as in a pumproom，provided that the（）.
A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the（）.
If you have to jump in the water when abandoning a vessel，your legs should be（）.
A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. What should you do next?（）
Inflatable liferafts are less maneuverable than lifeboats due to their（）.