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The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...
Security clearances can be issued by many United States of America government agencies, including the Department of Defense (DoD), the Department of State (DOS), the Department of Homeland Security (DHS), the Department of Energy (DoE), the Department of Justice (DoJ), the National Security Agency (NSA), and the Central Intelligence Agency (CIA).
For energy-conversion heating devices their peak steady-state thermal efficiency is often stated, e.g., 'this furnace is 90% efficient', but a more detailed measure of seasonal energy effectiveness is the annual fuel use efficiency (AFUE). [10]
There are associated concepts, such as the DRMS (distance root mean square), which is the square root of the average squared distance error, a form of the standard deviation. Another is the R95, which is the radius of the circle where 95% of the values would fall, a 95% confidence interval .
Amatol, a mixture of cheap ammonium nitrate and TNT (initially "40/60": 40% ammonium nitrate and 60% TNT for land shells and 80/20 from 1917) proved 27% more powerful than pure TNT and was soon adopted as the preferred HE filling in World War I. TNT and Amatol were approximately 20% less sensitive to shock and hence safer than lyddite, and ...
A table of organization and equipment (TOE or TO&E) is the specified organization, staffing, and equipment of military units.Also used in acronyms as 'T/O' and 'T/E'. It also provides information on the mission and capabilities of a unit as well as the unit's current status.
Rating Description A: Reliable No doubt about the source's authenticity, trustworthiness, or competency.History of complete reliability. B: Usually reliable Minor doubts. History of mostly valid informa
In military science, suppressive fire is "fire that degrades the performance of an enemy force below the level needed to fulfill its mission" [clarification needed].When used to protect exposed friendly troops advancing on the battlefield, it is commonly called covering fire.