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
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
As oil pipe line connections were broken，（）quantity of oil was caused to spill onto the wharf and into the dock water.
The purpose of a bilge well is to（）.
An example of a messenger is a（）.
If a gasoline engine turns over freely but will not start，the cause is generally（）.
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.
If the engine of a survival craft does not start，check to see（）.
All electrical appliances aboard a vessel should be grounded to（）.
Limit switches are used on which davits?（）
The function of the bypass valve on the self-contained breathing apparatus is to（）.