A.winch speed
B.boom strength
C.load radius
D.cable strength
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A.discharging
B.recircling
C.loading
D.taking in
A.one meter from the tank bottom and one meter below the tank top
B.one half the ullage of the tank and one meter below the tank top
C.one half the ullage of the tank and one meter above the tank bottom
D.at three meter intervals from the tank top
A.winch speed
B.boom strength
C.load radius
D.cable strength
A.discharging
B.recircling
C.loading
D.taking in
A.Overloading
B.Overstowage
C.Overbooking
D.Overcarriage
最新試題
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
The net productivity per gang-hour can be improved through a decrease of（）.
The item（）is not the advantage of the hydraulic winch．
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
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 hoist（）.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.