tripping line
tripping bracket
norman pin
steamboat ratchet
第1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2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3题:
Which statement is TRUE about the use of a“gob rope”________.
A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadstead
B.The gob rope is used to secure the towline aft over the centerline of a tug
C.The gob rope is a line hung over a vessel's side to assist in boarding
D.The gob rope is a rope used in mooring a vessel to a buoy
第4题:
three wire rope clamps
an eye splice with four or five tucks
a thimble fastened with four or five tucks
a wire rope socket attached with zinc
第5题:
A ()(钢丝刷) should be used on all bare metal to remove the last of the scale.
第6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7题:
Ropes can be divided into three types: ().
第8题:
Which wire rope purchases may be used with a 30-ton pedestal crane ________.
A.Hoist
B.Luff
C.Rider block
D.All of the above
第9题:
A bowline knot
A long splice
An overhand knot with a wire rope clip
Wire rope clips with a thimble eye
第10题:
Taglines are wire rope purchases that raise and lower the jib
Taglines are wire ropes for horizontal positioning of the rider block
Taglines can be fastened to corners of vehicles or containers
The crane might not have taglines installed in its rigging system