A.Taglines are wire rope purchases that raise and lower the jib
B.Taglines are wire ropes for horizontal positioning of the rider block
C.Taglines can be fastened to corners of vehicles or containers
D.The crane might not have taglines installed in its rigging system
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A.Cranes are more difficult to secure for sea
B.The spotting area of the conventional gear is larger
C.A crane operator requires more training than the winch operator of a yard and stay rig
D.The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes
A.Guy
B.Shroud
C.Spider
D.Topping lift
A.Cargo whip
B.Gooseneck fitting
C.Spider band
D.Topping lift
A.Loading
B.Discharging
C.Crude oil washing
D.Steaming tanks
A.A centerline crane can never be operated in tandem
B.One crane is able to work one end of two adjacent hatches
C.These cranes are more economical and weigh less than outboard-mounted cranes
D.One crane is able to work both sides of the ship
最新試題
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Most pedestal crane power is provided by（）.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
The net productivity per gang-hour can be improved through a decrease of（）.
What does “evel-luffing” accomplish during crane operations（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
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（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.