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Glossary of Mining Terms - rocksandminerals

Cast — A directed throw; in strip-mining, ... Factor of safety — The ratio of the ultimate breaking strength of the material to the force exerted against it. If a rope will break under a load of 6000 lbs., and it is carrying a load of 2000 lbs., its factor of safety is 6000 divided by 2000 which equals 3. ... The term is frequently used ...

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Common Roofing Terms - HomeTips

Apr 30, 2018 · Here is a closer look at common roofing terms. Roof framing involves a lexicon all its own. Includes illustrations that show roofs have hip rafters, ridge boards, jack rafters, and more. When repairing or replacing a roof, it pays to be familiar with these terms.

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coal ton to bcm - BINQ Mining

Gemcom Minex | Mining – Long Term. Generate strip ratio either as BCM of waste per coal-tonne, or tonnes of waste to tonnes of ore. Limit coal ratios to economic .

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Metal Roofing Terminology : Know Before You Shop

Batten: Also referred to as Purlins, see Purlin or Purloin. Batten or Purlins can be 1″x2″x4′ wood strips nailed to the roof or rafters, upon which the roofing is attached. In some instances they are also steel lengths measuring about an inch or so wide that have an .

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Understanding Term Spreads or Interest Rate Spreads

Term spreads, also known as interest rate spreads, represent the difference between the long-term interest rates and short-term interest rates on debt instruments such as bonds.In order to understand the significance of term spreads, we must first understand bonds.

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Total Protein Test: Purpose, Procedure & Results

A total protein test is often done as part of your regular checkup. It measures the amount of two kinds of protein in your body, albumin and globulin.

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A guide to the language of steel – ArcelorMittal

Thin strip continuous casting. Casting technology that takes liquid steel and casts it into solid strip in one step, thereby eliminating the need for a continuous slab caster and hot strip mill. Tin coated steel. Cold rolled sheet, strip or plate coated with tin or chromium. Ton (t) A unit of weight in the US Customary System equal to 2,240 pounds.

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Metal Roofing Terminology : Know Before You Shop

Batten: Also referred to as Purlins, see Purlin or Purloin. Batten or Purlins can be 1″x2″x4′ wood strips nailed to the roof or rafters, upon which the roofing is attached. In some instances they are also steel lengths measuring about an inch or so wide that have an .

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Metallurgical Terminology Glossary | MetalTek

Glossary terms and definitions provided courtesy of the Steel Founders' Society of America. ... Cracking Strip. ... In a torsion test, the ratio of the unit shear stress to the displacement caused by its per unit length in the elastic range. Units are Pa or psi.

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What Is a Stripping Ratio? (with picture) - wisegeek

Aug 08, 2019 · The stripping ratio is important due to the fact that it helps a mining company assess a mining site in order to determine the profitability before committing any resources to the mining process. A way of describing the concept of stripping ratio is by looking at it in terms of the level at which the mining process will cease to be profitable.

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Understanding Term Spreads or Interest Rate Spreads

Term spreads, also known as interest rate spreads, represent the difference between the long-term interest rates and short-term interest rates on debt instruments such as bonds.In order to understand the significance of term spreads, we must first understand bonds.

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How Gear Works - Hot Rod Network

The ratio is the number of teeth on the driven gear (ring) divided by the number of teeth on the drive gear (pinion). So, if the ring gear has 37 teeth and the pinion has 9 teeth, the ratio is 4.11:1.

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Short-Term Residential Therapeutic Program - CDSS Public Site

MHSUDS INFORMATION NOTICE NO.: 17-016 (May 5, 2017) Statewide Criteria For Mental Health Program Approval of Short-Term Residential Therapeutic Program (STRTP) County Child Welfare Agency Point of Contact List for FFAs and STRTPs

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Calculus II - Ratio Test

In this section we will discuss using the Ratio Test to determine if an infinite series converges absolutely or diverges. The Ratio Test can be used on any series, but unfortunately will not always yield a conclusive answer as to whether a series will converge absolutely or diverge. A proof of the Ratio Test is .

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what is stripping ratio coal mining - Mine Equipments

Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to .

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Glossary of Forging Terms | Forging Industry Association

Glossary of Forging Terms. ... Brinell hardness — The hardness of a metal or part, as represented by the number obtained from the ratio between the load applied on and the spherical area of the impression made by a steel ball forced into the surface of the material tested. The Brinell Hardness Number (BHN) is determined by measuring the ...

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Stripping ratio | mining | Britannica

Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: .calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and.

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Glossary of Transportation, Logistics, Supply Chain, and ...

Activity Ratio: A financial ratio used to determine how an organization's resources perform relative to the revenue the resources produce. Activity ratios include inventory turnover, receivables conversion period, fixed-asset turnover, and return on assets. ... A strip of cardboard, thin wood, ... The term "closed loop implies not only that ...

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Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

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Stripping ratio - Wikipedia

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

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Strip financial definition of Strip - Financial Dictionary

Strip Variant of a straddle. A strip is two puts and one call on a stock. A strap is two calls and one put on a stock. The puts and calls have the same strike price and expiration date. See: Strap. Strip A bearish investment strategy in which an investor holds two puts and one call on the same underlying asset with the same expiration date and strike ...

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