every month
every two months
every three months
A or B
第1题：
If wire rope clips are used to make a joint in a wire lashing，be sure that ______．
A.the saddle portion of the clip should be applied to the live load segment and the U-bolt to the dead or shortened end segment
B.the saddle portion and the U-bolt of the clip should be applied to the dead or shortened end
C.neither the saddle portion nor the U-bolt of the clip should be applied to the live load segment
D.the U-bolt of the clip should be applied to the live load segment and the saddle portion to the dead or shortened end segment
第2题：
Fire hose couplings ______.
A.are made of bronze brass, or soft alloy metals
B.should be painted red in order to identify hose lengths
C.are specially hardened to prevent crushing
D.should be greased frequently
第3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4题：
Wire ropes should be greased （）.
第5题：
（）should be greased every month or two and it should be kept on a reel when not in use.
第6题：
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________．
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
第7题：
It should be noted ______ the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers, or any vessels carring inflammable substances.
A.that
B.which
C.who
D.These
第8题：
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________．
A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing
B.Stack heights may be increased when using a solid bar lashing
C.Stack heights should be reduced when using a solid bar lashing
D.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier（s）
第9题：
Ropes can be divided into three types: （）.
第10题：
Finally, a wire brush should be used on all bare （）to remove the last of the scale.