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Efficiency
could mean:
Energy efficiency
, useful work per quantity of energy
Energy conversion efficiency
, desired energy output per energy input
Energy conservation
, reducing the use of energy
Electrical efficiency
, useful power output per
electrical power
consumed
Fuel efficiency
, converting energy in fuel to kinetic energy or work
Specific impulse
, in propulsion systems, a measure of fuel-efficiency
Volumetric efficiency
, in
internal combustion engine
design
Lighting efficiency
, visible light from a light source per unit of power, in lumens per watt
Mechanical efficiency
, the effectiveness of a simple machine, mechanical advantage over ideal mechanical advantage
Thermodynamic efficiency
, useful work per change in heat
Exergy efficiency
, measure of 2nd-law themodynamic loss
Thermal efficiency
, useful work per the higher heating value of the fuel
Radiation efficiency
, ratio of radiated power to power absorbed at the terminals of an antenna
Efficiency (aerodynamics)
, for fixed wing aircraft the Lift-to-drag ratio
Efficiency (economics)
, a general term, to capture the amount of waste or other undesirable features
Pareto efficiency
, making one individual better off, without making any other individual worse off
Kaldor-Hicks efficiency
, like a less stringent Pareto efficiency
Allocative efficiency
, an optimal distribution of goods
The optimisation of a
social welfare function
Efficiency wages
, paying workers more than the market rate for increased productivity
Efficiency (statistics)
, a measure of desirability of an estimator
Efficiency ratio
, expenses as a percentage of revenue, etc.
Efficiency Movement
, of the Progressive Era 1890-1932, advocated efficiency in the economy, society and government
Material efficiency
, compares material requirements between construction projects or physical processes
Textual efficiency
, density of a message
Algorithmic efficiency
, the speed and space requirements of a computer program
Quantum efficiency
, a measure of sensitivity of a photosensitive device: the percentage of
photons
hitting the photoreactive surface that will produce an electron–hole pair
view more...
Markets, Efficiency, And Price Signals: Crash Course Economics #19
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