A.moors
B.moor
C.is moored
D.mooring
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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
A.length of the boom
B.angle of the boom
C.lifting capacity of the boom
D.direction of the boom
最新試題
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
Damage by（）shall not be considered as handling damage.
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（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
Which method should be used to warm up the pump turbines prior to discharge（）.
How should you signal the crane operator to move slowly（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.