If two or more persons are sitting as judges of the circuit court in a judicial district:
(1) Any two or more of them may act in joint session for the trial or determination of any cause, matter or proceeding before the court in the judicial district, including jury cases. If the judges acting in joint session are equally divided in opinion, the opinion of the presiding judge prevails; otherwise the decision of the majority prevails.
(2) Each of them may proceed separately with and try, simultaneously in the judicial district, all causes, matters and proceedings brought before the court.
(3) Process may be tested in the name of any of them.