A.which
B.where
C.when
D.how
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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
A.length of the boom
B.angle of the boom
C.lifting capacity of the boom
D.direction of the boom
A.to use
B.to operate
C.maneuvering
D.using
最新試題
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
When using slings，cargo handlers should take all the following precautions except（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
The item（）is not the advantage of the hydraulic winch．
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
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（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.