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
When discharging oil from an oil tanker the instantaneous rate()60 liters per nautical mile.
The item()is not the advantage of the hydraulic winch.
How should you signal the crane operator to hoist().
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels().
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane().
Sudden starts or stops of the boom is likely to cause all of the following except().
Most pedestal crane power is provided by().
Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().
What does “evel-luffing” accomplish during crane operations().
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited().