A.increases the strength of the hook
B.prevents the sling ring from coming out of the hook if the strain is abruptly eased
C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D.All of the above
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A.square knot
B.carrick bend
C.sheet bend
D.bowline
A.square knot
B.carrick bend
C.becket bend
D.sheepshank
A.monkey's fist
B.ball or baseball knot
C.heaving knot
D.three strand Turk's head
A.at the base of the boom
B.at the cargo hook
C.near the midships guy
D.near the spider band
A.inherent weakness
B.tendency to rot if left damp
C.danger to crew if it parts
D.strength and shock absorbing abilities
最新試題
The only wire rope termination which may be made in the field is（）.
The use of（）between bags may lead to chafe and tearing of the bags.
Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
Which item is NOT required to be marked with the vessel’s name（）.
Which method should be used to secure a manila line to bitts（）.
The square knot is used for（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
The tackle that raises and lowers the boom is（）.
What is meant by the term two-blocked（）.