A.to discharge
B.discharge
C.discharging
D.to be discharging
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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
A.butterfly valve
B.spectacle valve
C.check valve
D.globe valve
最新試題
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
How should you signal the crane operator to move slowly（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
How should you signal the crane operator to lower the boom and raise the load（）.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
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（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Damage by（）shall not be considered as handling damage.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.