| Aging 2 |
(english) A change in properties that occurs at ambient or moderately elevated temperatures after hot working or a heat treating operation (quench aging in ferrous alloys), or after a cold working operation (strain aging). The change in properties is often, but not always, due to a phase change (precipitation), but does not involve a change in chemical composition. In a metal or alloy, a change in properties that generally occurs slowly at room temperature and more rapidly at higher temperatures. |
| AIR BLEEDER AUTOMATIC |
(english) A valve that is fit into a hydraulic pipeline to facilitate automatic release of air trapped in the pipeline. See also AIR BLEEDER, MANUAL. |
| สามัญวิศวกร (ชาวบ้าน) |
Second level (engineer) - บริษัทฝรั่งเรียก |
| ใบอนุญาต |
License |
| ใบอนุญาตเป็นผู้ประกอบวิชาชีพวิศวกรรมควบคุม |
Licence for Professional Practice (วสท.) - or Controlled Engineer License , Registed Engineer License |
| ใบอนุญาตนิติบุคคล |
License for Juristic Person
|
| B Elevation |
(english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire. |
| Babbitt |
(english) An antifriction metal alloy used for bearing inserts;made of tin,antimony,lead and copper. |
| Back Draft |
(english) Reverse taper which would prevent removal of a pattern from a mold or a core from a corebox. |
| Back Gears |
(english) Gears fitted to a machine to increase the number of spindle speeds obtainable with a cone or step pulley belt drive. |
