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
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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
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
最新試題
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Damage by（）shall not be considered as handling damage.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
When using slings，cargo handlers should take all the following precautions except（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
How should you signal the crane operator to lower the boom and raise the load（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
How should you signal the crane operator to hoist（）.
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（）.