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 method should be used to warm up the pump turbines prior to discharge（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
How should you signal the crane operator to hoist（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.