TERMIUM Plus®
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POINT FUTILITY [2 records]
Record 1 - internal organization data 1989-09-07
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Wastewater Treatment
Record 1, Main entry term, English
- capture velocity
1, record 1, English, capture%20velocity
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
An example will illustrate the futility of attempting to control welding smoke in a production area by means of a ceiling exhaust fan. Assume :(1) Exhaust fan, 15 ft over work area and directly overhead,(2) fan capacity 20, 000 cfm, and(3) exhaust opening 5 ft in diameter. Calculate the velocity of air movement at one diameter, or 5 ft from the opening. The minimum capture velocity necessary to control welding smoke is 100 fpm. Yet at a point only 5 ft from the fan opening the velocity has decreased from approximately 1000 fpm to 75 fpm and the welking smoke is still 10 ft away. 2, record 1, English, - capture%20velocity
Record number: 1, Textual support number: 1 OBS
The velocity required to capture and exhaust particulates varies from 100 fpm, for particles released with practically no velocity in quiet air, to 2000 fpm for particles released at high initial velocity into rapid air motion. 2, record 1, English, - capture%20velocity
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Traitement des eaux usées
Record 1, Main entry term, French
- vitesse de captage
1, record 1, French, vitesse%20de%20captage
proposal, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
captage : Action de capter; action de recueillir les poussières, fumées, brouillards et gaz nocifs, à proximité de leur zone d'émission (éviter l'emploi du mot captation). 2, record 1, French, - vitesse%20de%20captage
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1979-11-05
Record 2, English
Record 2, Subject field(s)
- Energy (Physics)
Record 2, Main entry term, English
- point of futility 1, record 2, English, point%20of%20futility
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Énergie (Physique)
Record 2, Main entry term, French
- point d'inutilité
1, record 2, French, point%20d%27inutilit%C3%A9
masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
(Énergétique) [...] est atteint quand un projet de production d'énergie en consomme autant qu'il en produit (l'énergie produite étant de qualité égale à celle apportée). 1, record 2, French, - point%20d%27inutilit%C3%A9
Record 2, Spanish
Record 2, Textual support, Spanish
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