has long life
is light weight
absorbs shock
has fine adjustment
第1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2题：
The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it ______.
A.deteriorates in sunlight
B.cuts on sharp edges
C.is vulnerable to damage and pilferage
D.All of the above
第3题：
The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it__.
A.is lighter than chain
B.has a good working life
C.is not affected by temperature
D.All of the above
第4题：
What is used when securing heavy vehicles aboard Ro-Ro vessels ________．
A.Buckle or ratchet tensioner
B.Webbing
C.Manila rope
D.None of these
第5题：
Lashing is the means of securing vehicles and other cargo by ______．
A.tomming down method
B.blocking method
C.bracing method
D.using wire ropes，chains，steel bars，and turnbuckles
第6题：
Please kindly arrange for shore workers to do ______ during loading the heavy cargo on deck as soon as possible.
A.the work of using lines and chains to secure the cargo on board
B.the lash work
C.the work of putting dunnage，keeping the cargo in position and not move when the ship is rolling and pitching
D.the lashing work
第7题：
Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
A.Age of vehicle or cargo unit
B.Size and weight of vehicle/cargo unit
C.Reputation of shipper concerning condition of cargo
D.Air pressure in the vehicles tires
第8题：
Chain slings are suitable for heavy slender articles，such as ________ ．
A.timber or steel rails
B.locomotives or boilers
C.railway passenger coaches
D.motor vehicles
第9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10题：
What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels ________．
A.Chain lever
B.Turnbuckle
C.Webbing
D.Chain