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Transverse defect from wheel burn
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A transverse defect propagated from a wheel burn. a slipping wheel heats the rail surface and may flow the metal. rapid cooling forms thermal cracks and wheel pounding starts horizontal separations. visual detection is usually not possible due to masking by the wheel burn.
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Transverse, английский
- Across. a transverse section is a section across the length of a building or room.
- Поперечный
- Directions in wood at right angles to the wood fibers
- Perpendicular to the keel (athwartship).
- Across the vessel; athwartships. trim - fore and aft balance of a boat.
- Literally, “across,” usually signifying a direction or plane perpendicular to the direction of working.
Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
Separations, английский
Цветоделенные пленки, комплект цветоделенных фотоформ. комплект фотоформ, каждая из которых несет информацию. об изображении для одной из печатных форм
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Transverse defect from shelling, английский
A transverse defect propagated from shelling. this defect originates below the rail surface usually at the gauge corner on high legs of curves and can mask a transverse defect that grows into the rail head. the origin of this defect is high stresses below the rail surface that grow from an imperfection in the steel, for example a minute inclusion.
Auxiliary supply transformers, английский
A transformer connected to the 25,000 volt overhead line equipment for the purpose of supplying standby power to trackside equipment.
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