Hemp rope
Wire rope
Nylon rope
wood rope
第1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2题:
Wire rope needs ()care than hemp and manila.
第3题:
Serving is ______.
A.marline or ratline wound along the grooves of a rope
B.narrow strips of light canvas or cotton cloth spiral-wrapped along the rope
C.marline tightly wound on the rope by means of a board or mallet
D.a splice made by laying the strand of one rope into the vacated grooves of another rope
第4题:
()is the strongest and the most elastic of all the synthetic fiber ropes.
第5题:
Ropes can be divided into three types: ().
第6题:
An advantage of nylon rope over manila rope is that nylon rope ______.
A.can be used in conjunction with wire or spring-lay rope
B.can be stored on decks exposed to sunlight
C.can hold a load even when a considerable amount of the yarns have been abraded
D.gives audible warning of overstress whereas manila does not
第7题:
()should be greased every month or two and it should be kept on a reel when not in use.
第8题:
Whipping the bitter end of a fiber rope ______.
A.increases the circumference of the rope
B.makes for easier handling
C.prevents fraying of the bitter end
D.prevents moisture from entering the bitter end
第9题:
Sisal rope is less strong and less flexible than ().
第10题:
绑扎钢丝绳()