At such election only such electors as return real or personal property for taxation and who exhibit their tax receipts and registration certificates, as required in general elections, shall be allowed to vote. At such election the board of trustees shall act as managers, and the election shall be conducted as is provided by law for the conduct of general elections. At the election each elector favoring the proposed levy shall cast a ballot containing the word "Yes" printed or written thereon, and each elector opposed to said levy shall cast a ballot containing the word "No" printed or written thereon.