The procedure for obtaining a declaratory judgment pursuant to this chapter shall be in accordance with the Federal Rules of Civil Procedure, and the right to trial by jury may be demanded under the circumstances and in the manner provided in Rules 38 and 39 thereof. The existence of another adequate remedy does not preclude a judgment for declaratory relief in cases where it is appropriate. The court may order a speedy hearing of an action for a declaratory judgment and may advance it on the calendar.