A.is the S.W.L. of the crane
B.are the S.W.L. of the crane
C.the S.W.L. of the crane is
D.the S.W.L.of the crane are
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A.boom angle
B.boom strength
C.load radius
D.cable strength
A.dock riser
B.ship's cargo tanks
C.shore tank discharge
D.All of the above
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
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Most pedestal crane power is provided by（）.
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
When using slings，cargo handlers should take all the following precautions except（）.
Damage by（）shall not be considered as handling damage.
How should you signal the crane operator to lower the boom and raise the load（）.
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 the purpose of the equalizing beam aboard a crane vessel（）.
The net productivity per gang-hour can be improved through a decrease of（）.
When discharging an oil cargo，the first consideration is to（）.
Which method should be used to warm up the pump turbines prior to discharge（）.