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
您可能感興趣的試卷
你可能感興趣的試題
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
A.At a 45° angle
B.At right angles
C.4 feet aft of the heel of the boom
D.Parallel to the boom
最新試題
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
Most pedestal crane power is provided by（）.
How should you signal the crane operator to move slowly（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
On no account（）to be exceeded.
Damage by（）shall not be considered as handling damage.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
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 is meant by the term“l(fā)uffing the boom”of a crane（）．