A vessel’s quarter is that section which is（）.

A “figure eight” knot is used to（）.

A chain bridle is used when towing astern because it（）.

A “fifteen-pound” CO2 extinguisher is so called because（）.

A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

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

A celestial body will cross the prime vertical circle when the latitude is numerically（）.

A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.

A “check” line is（）.

A change of a documented vessel’s name can only be made by the（）.