A.started
B.finished
C.completed
D.reported
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A.Cranes/derricks
B.Crane/derrick cycles
C.Crane/derrick cycle time
D.Weight per package
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
A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out
A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out
最新試題
What is the purpose of the equalizing beam aboard a crane vessel（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
They（）loading at 1400 hours．
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
Damage by（）shall not be considered as handling damage.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.