A.Cranes/derricks
B.Crane/derrick cycles
C.Crane/derrick cycle time
D.Weight per package
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A.Date and description of each failure
B.Average load in pounds for each usage
C.Total number of lifts for each usage
D.All of the above
A.less jerky starts
B.less jerky stops
C.overheating worries
D.none of the overheating worries
最新試題
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
How should you signal the crane operator to move slowly（）.
When discharging an oil cargo，the first consideration is to（）.
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.