Revenue bonds may be issued without any proceedings or the happening of any conditions or things other than those proceedings, conditions, and things which are specified or required by this chapter. In the discretion of the authority, revenue bonds of a single issue may be issued for the purpose of paying the cost of any one or more or a combination of projects at any one institution or any number of institutions. Any resolution providing for the issuance of revenue bonds under this chapter shall become effective immediately upon its passage and need not be published or posted; and any such resolution may be passed at any regular, special, or adjourned meeting of the authority by a majority of its members.