A.Sheath-screw davits
B.Gravity davits
C.Radial davits
D.Quadrantal davits
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A.Globe valve
B.Butterfly valve
C.Gate valve
D.Packless valve
A.swivel
B.cathead spool
C.drawworks
D.stand pipe
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
最新試題
The portable radio apparatus means（）.
Cargo pump relief valves are piped to the（）.
The series of valves used to control the return flow in well control operations is called the（）.
The function of the bypass valve on the self-contained breathing apparatus is to（）.
All electrical appliances aboard a vessel should be grounded to（）.
In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.
The holding capability of an anchor is primarily determined by the（）.
If the engine of a survival craft does not start，check to see（）.
In nautical terminology a dog is a（）.
Permission is kindly requested（）the ballast water.