A.heart
B.hearts
C.mind
D.minds
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A.to discharge
B.discharge
C.discharging
D.to be discharging
A.load
B.loading
C.will load
D.to load
A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers
A.discharge
B.recircle
C.load
D.take in
A.out
B.beyond
C.from
D.off
最新試題
When using slings，cargo handlers should take all the following precautions except（）.
How should you signal the crane operator to move slowly（）.
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
How should you signal the crane operator to lower the boom and raise the load（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
On no account（）to be exceeded.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.