It shall be the duty of the Civil Service Board, or their designee, to hold examinations and to administer other suitable tests to those desiring positions or who are applicants for or who may have been recommended for promotion in the classified service of the Fire Department for the purpose of determining their fitness for such positions or their qualifications for such promotions and, from the result of such examinations and tests, the Board shall prepare a list of eligibles for all positions in the classified service of the Fire Department. No member of such Board shall sit as a member of the ratings panel for any oral examination. (Amended June 2, 1992: amended November 8, 1988)