prony-brake test

prony-brake test: опытное определение кпд (машины постоянного тока малой мощности)

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Dynamometer — For the dynamometer used in railroading, see dynamometer car .A dynamometer or dyno for short, is a machine used to measure torque and rotational speed (rpm) from which power produced by an engine, motor or other rotating can be calculated.A… … Wikipedia
Horsepower — hp redirects here. For other uses, see HP (disambiguation). Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.[1] Horsepower was originally defined to compare the… … Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
Dependent States — ▪ 2009 Introduction Europe and the Atlantic. For a list of populated Dependent States, see Table (Dependent States). In May 2008 Ilulissat, Greenland, was the site of an international summit on Arctic sovereignty attended by official… … Universalium

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