It requires anchor handling boats with more horsepower
Chain chasers work in shallow water only
Chain chasers will not work with piggyback anchors
It takes longer to deploy anchors using chain chasers
第1题：
What are the two main types of stud link chain ________．
A.Oil Rig chain and Oil Field Stud Link chain
B.Flash-butt welded chain and Di-Lok chain
C.Flash-butt welded chain and Oil Rig chain
D.Oil Field Stud Link chain and Flash-butt welded chain
第2题：
What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels ________．
A.Chain lever
B.Turnbuckle
C.Webbing
D.Chain
第3题：
________ is the chain?
A.How
B.What
C.How about
D.What about
第4题：
What is SCM?（）
第5题：
The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval ________．
A.They are not subject to permanent magnetism; no check is necessary
B.Semiannually
C.Annually
D.Every five years
第6题：
The disadvantage（s）of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that ______．
A.It is heavy
B.The links lose strength if placed over corners
C.It does not absorb shock
D.All of the above
第7题：
What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude ________．
A.Flinders bar
B.Soft iron spheres
C.Fore-and-aft permanent magnets in their trays
D.Heeling magnet
第8题：
A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it is ______.
A.heavy
B.easily damaged
C.affected by temperature
D.costly relative to the strength ratio
第9题：
What type of IPv6 address is this address： FF05：： 2：260：8FF://FE52：F9D8？（）
第10题：
What is the disadvantage for air transportation? （）