(1) The civil service commission shall examine all applicants as to their physical and mental qualification for the particular classification wherein they seek employment. To be eligible for examination a person shall be at least eighteen (18) years of age, be a law-abiding citizen of sobriety and integrity, and must be able to read and write and understand the English language.
(2) Any city legislative body that operates under this chapter may by ordinance require persons appointed to civil service positions to be a resident of the county in which the city is located.