單項(xiàng)選擇題A fixed carbon dioxide extinguishing system for a machinery space,designed WITHOUT a stop valve in the line leading to the protected space,is actuated by().

A.one control
B.two controls
C.three controls
D.none of the above


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1.單項(xiàng)選擇題A fishing vessel displaying the lights shown is().

A.anchored
B.underway but not fishing
C.tending a small fishing boat
D.fishing by trawling

2.單項(xiàng)選擇題A fishing vessel casualty must be reported to the Coast Guard if it involves().

A.loss of life
B.an injury requiring only first aid
C.$(SA)10,000 in property damage
D.loss of equipment which doesn't reduce the vessel's maneuverability

3.單項(xiàng)選擇題A fire pump may be used for other purposes if().

A.the other services are run off a reducing station with a pressure gage
B.one of the required pumps is kept available for use on the fire main system at all times
C.no relief valves are installed
D.all of the above conditions are met

4.單項(xiàng)選擇題A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should().

A.remain on course and hold speed
B.remain on course but slack the speed
C.change course to put the wind on either beam and increase speed
D.change course and put the stern to the wind

5.單項(xiàng)選擇題A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind ().

A.comes over the bow
B.blows the fire back toward the vessel
C.comes over the stern
D.comes over either beam

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A large metallic device,mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached),designed to prevent the passage of a rapidly moving flame through the piping is called a().

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How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? ()

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A fixed carbon dioxide extinguishing system for a machinery space,designed WITHOUT a stop valve in the line leading to the protected space,is actuated by().

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Permanent magnetism is caused by().

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A green buoy has a yellow triangle on it. This is a(n)().

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Cargo transfer operations on a tank vessel need NOT be stopped when().

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A frame with two,or sometimes four,arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the().

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A hand held instrument used to measure distances between objects and the ship is a().

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A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should().

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