A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines
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A.drop ladder
B.life ladder
C.Jacob's ladder
D.jury ladder
A.Can be released while under strain
B.Is used for boat falls
C.Is used for extra heavy loads
D.Is used for light loads only
A.Number of wires in the inner core
B.Number of strands per wire rope
C.Tensile strength of the wire
D.Number of wires per strand
A.fasten the bitter ends to the mooring line with half hitches
B.twist the ends together and hold them in the direction of the pull
C.twist the ends together and hold them in the direction opposite to the pull
D.twist the ends together and hold them at right angles to the mooring line
A.Is easy to connect
B.Provides an effective catenary and absorbs shock due to its weight
C.Makes rigging a swivel unnecessary
D.Prevents the tow from yawing by the drag of the chains in a seaway
最新試題
When riveted joints occur at the ends of plating they are called（）.
Which method should be used to secure a manila line to bitts（）.
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
What is meant by the term two-blocked（）.
The use of（）between bags may lead to chafe and tearing of the bags.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use（）.
Which item is NOT required to be marked with the vessel’s name（）.
When passing a hawser to the dock you would first use what line（）.
Manila slings should not be used to load（）.