A.flat
B.up
C.upright
D.vertical
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A.moors
B.moor
C.is moored
D.mooring
A.which
B.where
C.when
D.how
A.before
B.when
C.after
D.during
A.maximum counter weight required
B.minimum horsepower required
C.hoist rope strength
D.allowable load
A.horizontal position of the boom
B.vertical position of the boom
C.horizontal position of the load being lifted
D.vertical position of the load being lifted
最新試題
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
How should you signal the crane operator to move slowly（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
They（）loading at 1400 hours．
When using slings，cargo handlers should take all the following precautions except（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.