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What (who) is working efficiency - definition

USEFUL POWER OUTPUT PER ELECTRICAL POWER CONSUMED

Energetic efficiency; Energy efficiency (electricity)

Spectral efficiency

INFORMATION RATE THAT CAN BE TRANSMITTED OVER A GIVEN BANDWIDTH

Spectrum efficiency; System spectrum efficiency; System spectral efficiency; Link spectral efficiency; Bandwidth efficiency; BandWidth efficiency; Area spectral efficiency; Spectral efficiency comparison table; Bit/s/Hz; Bits/s/Hz; (bit/s)/Hz; (bit/s)/Hertz; Modulation efficiency; Channel spectral efficiency

Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is utilized by the physical layer protocol, and sometimes by the medium access control (the channel access protocol).

https://en.wikipedia.org/wiki/Spectral_efficiency

Faraday efficiency

THE EFFICIENCY OF A CATALYST IN ELECTROCHEMISTRY

Faraday Efficiency; Faradaic efficiency; Coulombic efficiency; Current efficiency

Faraday efficiency (also called faradaic efficiency, faradaic yield, coulombic efficiency or current efficiency) describes the efficiency with which charge (electrons) is transferred in a system facilitating an electrochemical reaction. The word "Faraday" in this term has two interrelated aspects.

https://en.wikipedia.org/wiki/Faraday_efficiency

Exergy efficiency

Second law efficiency; Rational efficiency

Exergy efficiency (also known as the second-law efficiency or rational efficiency) computes the effectiveness of a system relative to its performance in reversible conditions. It is defined as the ratio of the thermal efficiency of an actual system compared to an idealized or reversible version of the system for heat engines.

https://en.wikipedia.org/wiki/Exergy_efficiency

Wikipedia

Electrical efficiency

The efficiency of a system in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα).

\mathrm {Efficiency} ={\frac {\mathrm {Useful\ power\ output} }{\mathrm {Total\ power\ input} }}

If energy output and input are expressed in the same units, efficiency is a dimensionless number. Where it is not customary or convenient to represent input and output energy in the same units, efficiency-like quantities have units associated with them. For example, the heat rate of a fossil fuel power plant may be expressed in BTU per kilowatt-hour. Luminous efficacy of a light source expresses the amount of visible light for a certain amount of power transfer and has the units of lumens per watt.

https://en.wikipedia.org/wiki/Electrical efficiency

Examples of use of working efficiency

1. He asked municipal leaders to overcome the city‘s shortcomings such as low–quality investigation and personnel, which have resulted in limited working efficiency.

2. A research team sent to the factory developed a program on latest structure analysis and its application and worked out an optimized design, which could ensure safety and reliability of all structures of the crane and raise its working efficiency.

3. He called on ethnic minority deputies to keep close contact with voters from their ethnic groups so as to act on their needs thus improving the working efficiency of the legislature.

4. The two sides were unanimous that the reform of the United Nations should help enhance the organisations role, prestige, working efficiency and capacity in coping with new challenges and threats, as well as in maintaining international peace and security, promoting common development of its member nations and serving the implementation of millennium development goals.

5. Prince Faisal ibn Salman, chairman of SRMG, said the company was entering a new historic phase with the trading of its shares on the Saudi bourse. «This phase imposes new challenges on the group’s employees as they have to increase their working efficiency to raise profits in order to compensate investors who have entrusted their confidence in the company,» he said.