单选题A（） leads at right angles to the center line from the forecastle to the shore.A fore spring lineB fore breast line.C head lineD stern line

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 ______．

A.Abreast the heel

B.At right angles to the boom when viewed from above

C.Aft of the heel

D.Forward of the spiderband

In relation to the turning circle of a ship, the term kick means the distance ______.

A.around the circumference of the turning circle

B.gained at right angles to the original course

C.gained in the direction to the original course

D.or throw of a vessel’s stern from her line of advance upon putting the helm hard over

A spring line leads ______.

A.fore and aft from the ship’s side

B.to the dock at a right angle to the vessel

C.through the bull nose or chock at the bow

D.through the chock at the stern

At all angles of inclination, the metacenter is ______.

A.vertically above the center of buoyancy

B.vertically above the center of gravity

C.at the intersection of the upright vertical centerline and the line of action of the buoyant force

D.at the geometric center of the underwater volume

A mooring line leading at nearly right angles to the keel is a ______.

A.spring line

B.bow line

C.stern line

D.breast line