單項(xiàng)選擇題A “figure eight” knot is used to（）.

A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave


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1.單項(xiàng)選擇題“15 02 41 Semi Double Queen 195 332mm”is a description of（）.

A.ISSA stores
B.IMPA stores
C.common marine stores
D.a reference to be studied

2.單項(xiàng)選擇題（） is true.

A.ISSA stores are numbered in six digits
B.IMPA stores are numbered in six digits
C.IMPA stores are numbered in seven digits
D.both ISSA and IMPA stores are numbered in unique six digits

3.單項(xiàng)選擇題Your vessel is equipped with a fixed CO2 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 CO2 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 CO2 system
D.Evacuate the engine room and use the fire main system

4.單項(xiàng)選擇題Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）

A.Press up the slack NO.1 starboard double bottom tank
B.Pump out the forepeak tank
C.Eliminate the water in the 'tween decks aft

5.單項(xiàng)選擇題Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent，what should you do FIRST?（）

A.Open the intake valve to an adjacent tank
B.Set out drip pans and sawdust and begin to mop up the spill
C.Signal the shore control point to shut down
D.Close the valve on the tank vent line