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Tension jack
| Глоссарий горнодобывающей промышленности |
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Jack, английский
- Vérin
- Device for suspending a loading-line lead block from a skyline.
- Силовой цилиндр
- 1. a sailor. also jack tar or just tar.
- A connecting device to which a wire or wires of a circuit may be attached and which is arranged for the insertion of a plug.
- In the british navy the jack is a small union flag, formed by the intersection of st. george`s and st. andrew`s crosses (which see), usually displayed from a staff erected on the outer end of a ship`s bowsprit. in merchant ships the union is bordered with white or red. (see union-jack.) also, a common term for the jack or cross-trees. also, a young male pike, esox lucius, under a foot in length. also, a drinking vessel of half-pint contents. (see black-jack.)—jack, or jack tar, a familiar term for a sailor. a fore-mast man and an able seaman. it was an early term for short coats, jackets, and a sort of coat-of-mail or defensive lorica, or upper garment.
- [1] a small national flag or ensign, worn forward by warships, such as the first navy jack or union jack. [2] a small house flag worn forward by merchantmen. [3] a crosstree at the head of a topgallant mast serving to spread the royal shrouds. [4] to turn a propeller shaft prevent it from bowing when engines are stopped. [5] formerly, a nickname for a seaman (cf. tar, jack tar). [6] to skin a seal. [7] a type of newfoundland fishing schooner.
- A mechanical device for the purpose of lifting a heavy load; it may be either a screw or hydraulic type. also called hydraulic jack, jackscrew, screw jack.
- A receptacle-type connector for audio signals into which a plug or other input is inserted. the plug is the `male` connector and the jack is the `female` connector.
- Маленький шар, служащий мишенью для игроков в шары
Jack, английский
Jack, английский
Jack - money, cash, example to buy that car would take some major jack.
Jack, английский
Интерфейс горизонтальных и магистральных кабелей, обеспечивающий электрическое соединение контактом проводников, механическое совмещение с помощью углубления для штыревого разъема и фиксацию защелкой.
Jack, английский
Jack -, английский
Двуногая стойка (крана-экскаватора, стрелового крана и т. п.)
Jack adams, английский
A stubborn fool.
Jack afloat, английский
A sailor. euripides used almost the same term in floater, for a seaman.
Jack and circle, английский
The apparatus consisting of a power¬ful jack and a steel-toothed circle on which the jack moves. the circle is attached to the drill floor, centered on the borehole collar, and used to tighten or loosen the joints in a string of drill tools.
Jack arch, английский
Jack beam, английский
A beam that supports another beam and eliminates the need for a supporting column. jackhammer 1. an airhammer. 2. a handoperated, pneumatic, rock drill.
Jack benny, английский
Jack board, английский
A brace used as a support for a pipe jack.
Jack boom, английский
A boom which supports sheaves that carry lines to a working boom.
Jack catch, английский
Jack de interconexión (de circuitos), испанский
Jack dusty, английский
A naval stores clerk.
Jack engine, английский
Jack field, английский
Коммутационное поле (в телефонии); панель коммутатора с гнездами; наборное поле
Jack handle, английский
Jack hole, английский
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Tension joint, английский
Tension fracture, английский
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