In adjusting the costs of the suit inquiry shall at the instance of any party be made into the propriety of exhibiting such interrogatories, and if it is the opinion of the taxing officer or of the Court, either with or without an application for inquiry, that such interrogatories have been exhibited unreasonably, vexatiously, or at improper length, the cost occasioned by the interrogatories and the answers thereto shall be paid in any even by the party in fault.