A.Loading
B.Discharging
C.Crude oil washing
D.Steaming tanks
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A.A centerline crane can never be operated in tandem
B.One crane is able to work one end of two adjacent hatches
C.These cranes are more economical and weigh less than outboard-mounted cranes
D.One crane is able to work both sides of the ship
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
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
最新試題
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（）.
When using slings，cargo handlers should take all the following precautions except（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
The item（）is not the advantage of the hydraulic winch．
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
What does “evel-luffing” accomplish during crane operations（）.