Section 59. A certificate of competency to inspect boilers shall be revoked and a license as engineer or fireman or operator of hoisting machinery shall be suspended or revoked for incompetence or untrustworthiness of the holder thereof. A wilfully false statement in the application shall be sufficient cause for revocation at any time. If a certificate or license is lost or destroyed a new certificate shall be issued without examination upon satisfactory proof thereof. The fee for such new certificate shall be determined annually by the commissioner of administration under the provision of section three B of chapter seven.