A.spilling
B.leaking
C.dumping
D.All of the above
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A.flat
B.up
C.upright
D.vertical
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
最新試題
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
What does “evel-luffing” accomplish during crane operations（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
When using slings，cargo handlers should take all the following precautions except（）.
Most pedestal crane power is provided by（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
How should you signal the crane operator to hoist（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.