A.transfer a pennant wire to the anchor handling vessel
B.clean chain as it is hauled into the rig
C.lower spring buoys into the water
D.retrieve an anchor after the buoy has been lost
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A.mallet used when splicing wire rope
B.sharp pointed crow bar used to unlay wire rope
C.tapered steel pin used to separate wire rope
D.tapered wooden pin used when splicing heavy rope
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.maximum working pressure
B.bursting pressure
C.safety relief valve setting
D.maximum temperature
A.handling of cargo cases
B.hanging oilskins
C.sewing canvas
D.splicing small stuff
最新試題
The square knot is used for（）.
The purpose of a devil’s claw is to（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
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?（）.
At the instant when a string of casing being run from a ship is landed in the well head,（）.
Back-up wires on a towed vessel provide（）.
A whipping is（）.
The only wire rope termination which may be made in the field is（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.