單項(xiàng)選擇題Your vessel has been in a collision. After assessing the damage, you begin down flooding. This will cause the KB to do what?（）.

A.Fall
B.Remain stationary
C.Rise
D.Shift to the high side


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1.單項(xiàng)選擇題Your vessel has lifeboats on both sides. Lifeboat No.2 is located（）.

A.forward of lifeboat No.4 on the starboard side
B.forward of lifeboat No.4. on the port side
C.aft of lifeboat No. 1 on the starboard side
D.All of the above

2.單項(xiàng)選擇題Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.

A.Use the C02 system and evacuate the engine room
B.Use the fire main system and evacuate the engine room
C.Evacuate the engine room and use the C02 system
D.Evacuate the engine room and use the fire main system

3.單項(xiàng)選擇題Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.

A.The ventilators will automatically close by the action of fusible links
B.The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew
C. A water spray system to cool the outside of the boat is operated by a high-volume manual pump
D.An air tank will provide about ten minutes of air for the survivors and the engine

4.單項(xiàng)選擇題Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?（）.

A.Put the sea and wind about two points on either how and reduce speed
B.Heave to in the trough of the sea
C.Put the sea and wind on either quarter and proceed at increased speed
D.Put the bow directly into the sea and proceed at full speed

5.單項(xiàng)選擇題（）as the chemical extinguisher agent, should be used for a an electric fire.

A.Dry chemical or foam
B.Foam or soda acid
C.carbon dioxide or foam
D.carbon dioxide or dry chemical