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).
Best Answer: a warrant officer is between the ranks of the enlisted and the officers. Most warrant officers are mustangs meaning they were enlisted at one point and moved to a billet that required them to to hold an officers position but were too old to go through ocs to gain commisioned officers status.