A.The cranes may be operated independently
B.The cranes may be interconnected for twin operation
C.When twinned,the crane rotation on the foundation assembly is unlimited
D.All of the above
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A.The cranes may be operated independently
B.The cranes may be interconnected for twin operation
C.The cranes are powered by independent internal combustion power units
D.All of the above
A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B.Run the pump at high speed with the discharge valves closed
C.Run the turbine at slow speed with the pump disconnected
D.Shut the discharge valve and run the pump at slow speed
A.The loading dock
B.The midpoint of the barge
C.Within 25 feet of the pump engine
D.Above the forward rake end
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
最新試題
The Master or person in charge of a ship shall ensure the crane record book shows the().
Sudden starts or stops of the boom is likely to cause all of the following except().
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom().
What does “evel-luffing” accomplish during crane operations().
When discharging oil from an oil tanker the instantaneous rate()60 liters per nautical mile.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits().
How should you signal the crane operator to move slowly().
What is meant by the term“l(fā)uffing the boom”of a crane().
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane().
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited().