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


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1.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

2.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

3.單項(xiàng)選擇題A fiber towing hawser is readied for service by().

A.spooling it on a winch cathead
B.coiling it in a counterclockwise direction on the fantail
C.faking it on deck in a fore and aft direction
D.spooling it on a reel lying on its side to prevent rolling

4.單項(xiàng)選擇題A drilling bit which is doughnut shaped to permit recovery of the center portion of the hole drilled is called a().

A.diverter bit
B.hole reamer
C.core bit
D.conventional bit

5.單項(xiàng)選擇題A drawbridge may use visual signals to acknowledge a vessel’s request to open the draw. Which signal indicates that the draw will NOT be opened immediately?()

A.A flashing amber light
B.A fixed red light
C.A white flag raised and lowered vertically
D.A flashing white light

最新試題

Between 1830 hrs and 1850 hrs this day,strong gusty winds()by my vessel,in consequence of which the vessel’s four mooring lines were broken.

題型:單項(xiàng)選擇題

After sending a message describing the symptoms of an ill crew member,you receive a message containing the code MRL. This means().

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be().

題型:單項(xiàng)選擇題

A heavy,thick-walled tube,usually steel,used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a().

題型:單項(xiàng)選擇題

A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound().

題型: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 ().

題型:單項(xiàng)選擇題

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().

題型:單項(xiàng)選擇題

A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a().

題型:單項(xiàng)選擇題

It is not necessary to declare()in the Health List.

題型:單項(xiàng)選擇題