A “l(fā)oose” tow may cause all of the following EXCEPT（）.

A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.

A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）

A “reaching” course is one in which the wind（）.

A “spring line” is（）.

A chart position enclosed by a square is a(n)（）.

A block and tackle is “rove to advantage”. This means that the（）.

A continual worsening of the list or trim of any floating ship indicates（）.

A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.

A “full service” Loran-C receiver will provide（）.