The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties.
However, because they ride atop the water, rather than cutting through it as other hulls do, flat-bottom boats are usually limited in the size of their motors. The flat surface may also give a spine-jarring ride in anything less than calm weather.
Monohulls: These sailboats are the most common type of boat, and they have one hull. Most of the worldâs sailing and racing takes place in monohulls, broadly classified as either dinghies or keelboats. The typical marina is full of monohull keelboats of all shapes and sizes.