(1) Unless the articles of the company otherwise provide, the members personally present at the meeting shall elect one of themselves to be the Chairman thereof on a show of hands.
     (2) If a poll is demanded on the election of the Chairman, it shall be taken forthwith in accordance with the provisions of this Act and the Chairman elected on a show of hands under sub-section (1) shall continue to be the Chairman of the meeting until some other person is elected as Chairman as a result of the poll, and such other person shall be the Chairman for the rest of the meeting.