Wire rope should be greased ()when not in use.
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:
What is the accepted standard for wire rope falls used in connection with the lifeboat gear ________.
A.Six by seven galvanized wire rope
B.Six by twenty-four improved plow steel wire rope
C.Six by thirty-seven preformed fiber-core wire rope
D.Six by nineteen regular-lay filler wire rope
第3题:
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for ______ and insurance wire for ______.
A.bow mooring/stern line
B.forward spring/after spring
C.forward breast rope/forward spring
D.slip rope/stern line
第4题:
()should be greased every month or two and it should be kept on a reel when not in use.
第5题:
If kinking results while wire rope is being coiled clockwise, you should______.
A.coil it counterclockwise
B.not coil it
C.take a turn under
D.twist out the kinks under a strain
第6题:
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________.
A.Babbitt
B.Bronze
C.Lead
D.Zinc
第7题:
Chafing gear should be placed______.
A.at all wearing points of mooring lines
B.around running rigging
C.on wire rope only forces
D.at the bitter ends of all standing rigging
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:
吊货钢丝绳()
第10题:
Ropes can be divided into three types: ().