A.dock riser
B.ship's cargo tanks
C.shore tank discharge
D.All of the above
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A.unchanged
B.increased
C.eliminated
D.decreased
A.increases as the cargo closes the head while hoisting
B.increases if the cargo runner is doubled up
C.decreases as the boom is topped to a greater angle
D.is determined by the thrust stresses on the boom
A.provide safe electrical power connection to barge equipment
B.keep the vessel from surging excessively
C.prevent an accidental discharge of static electricity
D.secure the cargo hose to a hatch when loading overall
A.running rigging leading aft from the masts
B.running rigging leading forward from the masts
C.standing rigging leading aft from the masts
D.standing rigging from the cross trees to the mast head
A.including
B.besides
C.except
D.in addition to
最新試題
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
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（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.
When using slings，cargo handlers should take all the following precautions except（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
Running an electric winch at slow speed over a long period of time causes（）.
They（）loading at 1400 hours．
Which statement comparing a shipboard crane to conventional gear is TRUE（）.