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
What is/are the advantage（s）of cranes over conventional cargo booms（）.
Damage by（）shall not be considered as handling damage.
Which method should be used to warm up the pump turbines prior to discharge（）.
What does “evel-luffing” accomplish during crane operations（）.
Running an electric winch at slow speed over a long period of time causes（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
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（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.