A fluorescent lamp converts electrical energy into useful light much more efficiently than incandescent lamps. The typical luminous efficacy of fluorescent lighting systems is 50â100 lumens per watt, several times the efficacy of incandescent bulbs with comparable light output.
The Royal Australian Navy rank of warrant officer (WO) is the navy's only rank appointed by warrant and is equivalent to the army's WO1 (the equivalent of the army's WO2 rank is a chief petty officer).
Becoming a Warrant Officer Warrant officers are highly skilled, technical and tactical leaders who specialize, throughout an entire career, in one specific area. Although warrant officers make up only a small portion of the Armed Forces, they hold a great deal of responsibility.