A.The loading dock
B.The midpoint of the barge
C.Within 25 feet of the pump engine
D.Above the forward rake end
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A.At a 45° angle
B.At right angles
C.4 feet aft of the heel of the boom
D.Parallel to the boom
A.Ensure that slings are securely fastened around the load
B.Avoid careless winch operations，especially when handling fragile cargo
C.Exercise care when using hooks，crowbars，and similar tools
D.Keep the loads as close to the rail or deck as possible
A.Arch the back to add strength to the muscles
B.Bend his knees and lift with his legs
C.Bend his back and stoop
D.Bend his back and stoop with arms straight
A.Should not exceed
B.Must be up to
C.Should exceed
D.Should be about
A.get the bow up
B.discharge from the wings first
C.discharge from the centerline tanks first
D.discharge from amidships first
最新試題
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
What does “evel-luffing” accomplish during crane operations（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
How should you signal the crane operator to lower the boom and raise the load（）.
They（）loading at 1400 hours．
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
When discharging an oil cargo，the first consideration is to（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
Damage by（）shall not be considered as handling damage.