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
When discharging an oil cargo，the first consideration is to（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
When using slings，cargo handlers should take all the following precautions except（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
How should you signal the crane operator to move slowly（）.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
How should you signal the crane operator to lower the boom and raise the load（）.
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（）.