A.length of the boom
B.angle of the boom
C.lifting capacity of the boom
D.direction of the boom
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A.to use
B.to operate
C.maneuvering
D.using
A.is the S.W.L. of the crane
B.are the S.W.L. of the crane
C.the S.W.L. of the crane is
D.the S.W.L.of the crane are
A.boom angle
B.boom strength
C.load radius
D.cable strength
A.dock riser
B.ship's cargo tanks
C.shore tank discharge
D.All of the above
A.unchanged
B.increased
C.eliminated
D.decreased
最新試題
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
How should you signal the crane operator to move slowly（）.
Most pedestal crane power is provided by（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
The item（）is not the advantage of the hydraulic winch．