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Code · CFR · Title 30 — Mineral Resources · Part 36 · § 36.2

§ 36.2. Definitions.

391 words·~2 min read·/us/cfr/t30/s§ 36.2·

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The following definitions apply in this part. Applicant An individual, partnership, company, corporation, association, or other organization, that designs, manufactures, assembles, or controls the assembly and that seeks a certificate of approval or preliminary testing of mobile diesel-powered transportation equipment as permissible. Certificate of approval. A formal document issued by MSHA stating that the complete assembly has met the requirements of this part for mobile diesel-powered transportation equipment and authorizing the use and attachment of an official approval plate so indicating.
Component. A piece, part, or fixture of mobile diesel-powered transportation equipment that is essential to its operation as a permissible assembly. Diesel engine. A compression-ignition, internal-combustion engine that utilizes diesel fuel. Explosion proof. A component or subassembly that is so constructed and protected by an enclosure and/or flame arrester
(s)that if a flammable mixture of gas is ignited within the enclosure it will withstand the resultant pressure without damage to the enclosure and/or flame arrester(s). Also the enclosure and/or flame arrester(s) shall prevent the discharge of flame or ignition of any flammable mixture that surrounds the enclosure. Flame arrester. A device so constructed that flame or sparks from the diesel engine cannot propagate an explosion of a flammable mixture through it. Flammable mixture. A mixture of gas, such as methane, natural gas, or similar hydrocarbon gas with normal air, that will propagate flame or explode violently when initiated by an incendive source. Fuel-air ratio. The composition of the mixture of fuel and air in the combustion chamber of the diesel engine expressed as weight-pound of fuel per pound of air. MSHA. The United States Department of Labor, Mine Safety and Health Administration. Mobile diesel-powered transportation equipment. Equipment that is:
(1)Used for transporting the product being mined or excavated, or for transporting materials and supplies used in mining or excavating operations;
(2)Mounted on wheels or crawler treads (tracks); and
(3)Powered by a diesel engine as the prime mover. Normal operation. When each component and the entire assembly of the mobile diesel-powered transportation equipment performs the functions for which they were designed. Permissible. As applied to mobile diesel-powered transportation equipment, this means that the complete assembly conforms to the requirements of this part, and that a certificate of approval to that effect has been issued. Subassembly. A group or combination of components. \[61 FR 55525, Oct. 25, 1996\]
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