A.unchanged
B.increased
C.eliminated
D.decreased
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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
A.hoisting cargo aboard a vessel
B.hoisting personnel aboard a vessel
C.securing a small boat to a large vessel
D.hoisting the anchor
最新試題
Most pedestal crane power is provided by().
Running an electric winch at slow speed over a long period of time causes().
Which method should be used to warm up the pump turbines prior to discharge().
How should you signal the crane operator to lower the boom and raise the load().
Official draft measurements should be()by authorized persons,agreed by both parties involved.
Sudden starts or stops of the boom is likely to cause all of the following except().
How should you signal the crane operator to hoist().
When using slings,cargo handlers should take all the following precautions except().
Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().
When instructing a crew member concerning the right way to lift a weight,you would instruct him to().