Tag Archives | Engineering

A-POINT

Above this temperature, named a-point, the still will start to harden. balance point of the renewal temperature. It is also known as Ae point.

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ABHESIVE

Material that prevents sticking of two surfaces.

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ABLATIVE POLYMER

Any polymer or resin with low thermal conductivity which melts when its surface is heated and forms a heat-resistant layer of charred material. These materials cover the cones of projectiles and space vehicles and protect them from high temperatures in outer space.

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ABRADANT

An abrasive; materials such as emery, sand, powder glass, that are used for grinding.

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ABRADE

Scrape or remove through friction.

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ABRASION

Superficial damage to the skin. Deeper abrasion leads to formation of scar tissue.

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ABRASIVE

A substance (often a mineral) that is used to shape or finish a workpiece through rubbing.

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ABRASIVE WEAR

Occurs when a hard and rough surface slides across a softer surface

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ABSORPTION DYNAMOMETER

Dynamometer which measures energy absorbed by frictional or electrical resistances.

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ABSORPTION REFRIGERATOR

Refrigerator that uses a heat source to provide the energy needed to drive the cooling system.

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