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
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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
A.The cranes may be operated independently
B.The cranes may be interconnected for twin operation
C.When twinned，the crane rotation on the foundation assembly is unlimited
D.All of the above
最新試題
Pedestal cranes have limit switches to restrict movement of which function（s）（）.
How should you signal the crane operator to hoist（）.
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
Damage by（）shall not be considered as handling damage.
Most pedestal crane power is provided by（）.
On no account（）to be exceeded.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.