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
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
The net productivity per gang-hour can be improved through a decrease of（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
Most pedestal crane power is provided by（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.