A.Fitted in each leg of the towing bridle
B.Generally located between the “fishplate” and the main towing hawser
C.Secured at the “H” bitts
D.Usually made of manila hawser
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A.cross connection line between two main fire lines
B.special wrench for the couplings in a fire hose line
C.tackle rigged to support a fire hose
D.none of the above
A.is used in running rigging
B.doubles the size of the line
C.is only used on fiber rope
D.is very weak
A.longshore hook
B.margin hook
C.marginal hook
D.pelican hook
A.fire pumps
B.fire mains
C.hydrants and hoses
D.closing appliances which are kept permanently closed at sea
A.a curve of minimum operational metacentric height（GM）versus draught
B.instructions concerning the operation of cross-flooding arrangements
C.the signals or lights being exhibited or sounded
D.all other data and aids which might be necessary to maintain stability after damage
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In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point（）.
What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.
Manila lines in which the strands are right-hand laid（）.
A spanner is a（）.
Serving is（）.
You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun’s chair.The proper way to do this is to ride down the stay on a riding shackle（）.
An intermediate spring is（）.
The Charterers shall have the privilege to ship dangerous cargo in accordance with（）Code or any competent authorities’ regulations，as applicable.
When a davit-launched raft is lowered from a ship，upon becoming waterborne，the raft is released by（）.
In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.