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Chock hole
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A small depression dug in the earth in which a wheel of a truck-mounted drill rig is set to prevent the drill from moving.
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Chock, английский
- A fitting through which anchor or mooring lines are led. usually u-shaped to reduce chafe.
- Hole or ring attached to the hull to guide a line via that point. an opening in a ships bulwark normally oval in shape designed to allow mooring lines to be fastened to cleats or bits mounted to the ship`s deck. see also panama chock and dutchman`s chock.
- Полуклюз, подставка, подпирать
- A wedge or block used to prevent an object from moving.
- A guide mounted on the deck through which docklines and anchor rode are run.
- Крепление, киповая планка
- A sort of wedge used to rest or confine any weighty body, and prevent it from fetching way when the ship is in motion. also, pieces fitted to supply a deficiency or defect after the manner of filling. also, blocks of timber latterly substituted beneath the beams for knees, and wedged by iron keys. (see boat-chocks.)—chock of the bowsprit. see bend.—chocks of the rudder, large accurately adapted pieces of timber kept in readiness to choak the rudder, by filling up the excavation on the side of the rudder hole, in case of any accident. it is also choaked or chocked, when a ship is likely to get strong stern-way, when tiller-ropes break, &c.—to chock, is to put a wedge under anything to prevent its rolling. ( see chuck.)
- [1] deck-mounted guide for an anchor chain or mooring line. [2] wedge-shaped block to stop aircraft or cargo from moving. [3] one of several blocks supporting a boat under repair. chock-a-block: this term describes the situation when two blocks (pulleys) in a tackle have been pulled so close together that no further movement is possible. in britain and australia the term has come into slang use to mean “overcrowded,” “full up,” or “fed up.”
- A block of wood, sometimes wedge shaped, placed under the ends of the runners on a drill base to prevent movement of a drill or under a mine-car wheel to prevent movement of the car.
- To wedge drill-machine runners or drill-truck wheels in place by using chock blocks or wedges.
- A square pillar constructed of short, rectangular wooden blocks, used to support the roof in an under ground working place. 4. a square pillar, used to support a mine roof con structed of prop timbers laid in alternate cross lay ers, log-cabin style. the center area may be filled with waste rock. also called crib, pig sty.
- A mechanical device, or a wedge, used as anchors in cracks.
- A fitting or hole in a railing or deck through which a mooring or anchor line is routed.
- A wedge used to secure an item in place.
Chock advance pressure, английский
Chock and block, английский
Chock block, английский
- See derail.
- A block of material, usually wood, used as a chock. see chock 1.
Chock builder, английский
Chock building station, английский
Chock fitter, английский
Chock handler, английский
Chock roof support, английский
Chock spacing, английский
Chock transporter, английский
Chock turning area, английский
Chock-a-block, английский
Rigging blocks that are so tight against one another that they cannot be further tightened.
Chockad, шведский
Chocker, английский
British slang for “fed up.” probably an abbreviation of chock-a-block.
Chocking, английский
Chockman, английский
Flight deck person who places chocks under aircraft wheels.
Hole, английский
- N пробел; непоследовательность pattern random ~ случайный пробел (в речевых мо- делях ); непоследовательность (модели )
- A clear open space amongst ice in the arctic seas.
- A drill hole, borehole, or well.
- The vacancy where an electron would normally exist in a solid; behaves like a positively charged particle.
- The vacancy where an electron would normally exist in a solid; behaves like a
- In drilling operations, the wellbore or borehole.
Hole, английский
Hole accumulated diode, английский
Depression, английский
- See low.
- The difference between dry and wet bulb temperatures. it is a measure of humidity.
- A severe economic slump.
- Депрессия, область пониженного давления; понижение, опускание
- 1. a mental condition that prevents someone from carrying out the normal activities of life in the usual way 2. a hollow on the surface of a part of the body
- Depresión
- [1] meteorology: an area of low barometric pressure—a bad weather system in which winds circulate clockwise in the southern and anticlockwise in the northern hemisphere (see coriolis effect). [2] physical geography: a depressed or sunken area lower than the surrounding surface. [3] astronomy. the angular distance of a celestial body below the horizon. [4] economics: a period during which business, employment, and stock-market values decline severely or remain at a very low level of activity. [5] general: the state of being depressed—sadness; gloom; dejection.
- Котловина, впадина; понижение
- Any relatively sunken part of the earth`s surface; especially a low-lying area surrounded by higher ground. a closed depression has no natural outlet for surface drainage (e.g. a sinkhole). an open depression has a natural outlet for surface drainage. compare - closed depression, open depression. gg
- Subsidence hollow. small subsidence depressions may be synony- mous with
- Депрессия
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Radial drill, английский
A small diamond drill having a drilling head that can be adjusted radially along a rigid horizontal arm radiating from a vertical column; usually driven by air and used to drill radial blast-holes underground. see radial drilling.
Marker block, английский
A small block on which the footage below the collar of a borehole is marked and inserted between pieces of core at its appropriate place in a core box to indicate the depth in the borehole at which the core was obtained. also called footage block, footmark, marker.
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