A.swivel
B.cathead spool
C.drawworks
D.stand pipe
您可能感興趣的試卷
你可能感興趣的試題
A.at each frame
B.amidships
C.one-third the distance from the bow
D.one-third the distance from the stern
A.greater at the bow and stern
B.reduced at the bow and stern
C.uniform over the length of the vessel
D.uniform over the length of the vessel，with the exception of the machinery spaces，where it is reduced due to increased stresses
A.Safe working load
B.Ship's working lift
C.Starboard wing lift
D.Stress，weight，load
A.crow bar
B.device to force a water tight door against the frame
C.heavy steel beam
D.wedge
A.that the fuel valve is open
B.if the air supply system is open
C.if the water sprinkler system is open
D.if the limit switch is on
最新試題
The purpose of a bilge well is to（）.
In nautical terminology a dog is a（）.
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
Permission is kindly requested（）the ballast water.
If the engine of a survival craft does not start，check to see（）.
The boat is stowed on the davit rather than on a cradle with which type of davit?（）
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.
As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
The holding capability of an anchor is primarily determined by the（）.