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Arkansas Agricultural Mechanics

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Term
Definition
show a broad area of knowledge and skills related to performing construction, operation, maintenance, and repair of machinery, equipment, and structures used in agricultural/horticultural work  
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show the use of engines, animals, and other sources of energy to operate equipment used in agriculture  
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Agricultural structures   show
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Agricultural technology   show
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Combustion   show
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show a unit of sound measurement  
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Extinguish   show
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Fire triangle   show
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show equipment that protects people from injury, including safety glasses, goggles, ear plugs or muffs, respirators, clothing, shoes or boots, and gloves  
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show preventing loss or injury  
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Alternating Current (AC)   show
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show using an electric arc to fuse metal  
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Bead   show
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show current that flows in one direction continuously  
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Electrode   show
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show a substance used to remove the oxide on metal that is to be soldered or welded  
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Fusion   show
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Penetration   show
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Slag   show
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Weld   show
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Welding helmet   show
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show the location of a weld relative to the location of the welding equipment, such as flat, vertical, horizontal, or overhead  
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Bleeding the lines   show
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show the process of joining metal with a filler rod that melts at a temperature below the metal being joined  
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Carbonizing flame   show
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show a special tip used in cutting metal with gas systems such as oxyacetylene  
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Filler rod   show
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Flammable   show
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show the process of joining by melting  
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show a device used to measure certain substances such as pressure in an oxyacetylene welding/cutting system  
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Neutral flame   show
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Oxidizing flame   show
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show a device that controls the flow amount of a liquid or gas; with oxyacetylene welding systems, regulators control the flow of oxygen and acetylene  
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Tip   show
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show small, round rod-like devices that remove dirt from the holes in welding and cutting torch tips  
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show the assembly in an oxyacetylene system that mixes oxygen and acetylene to provide the desired flame  
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show a device that controls the flow of gas in an oxyacetylene system  
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Die   show
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show a short rod-like fastening device made of soft metal that can be readily spread on each end  
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show a mixture of tin and lead  
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Soldering   show
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Sweating   show
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show a hardened and brittle fluted tool used to cut threads inside of metal  
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show the process of bonding filler material to a base metal  
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Four cycle engine   show
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show a device that converts the energy in fuel into rotating power  
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Stroke   show
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show position of the piston at its highest point  
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show an engine with two strokes per cycle  
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show a specialized ruler used in making or measuring reduced scale drawings; it is marked with a range of calibrated scales or ratios  
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Border line   show
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show a likeness of an object, individual, or other subject made with a pencil, pen, or other instrument  
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show kinds of drawings that show an object in three dimensions; common types are isometric, oblique, and perspective  
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show an instrument with all increments shortened in a consistent proportion  
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Sketch   show
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Title block   show
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Triangle   show
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show a hand tool made of hardened steel for cutting metal by striking with a hammer  
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Mushroomed   show
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show to heat a piece of tool sheet followed by controlled cooling so as to control the degree of hardness  
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show to sharpen by rubbing on a stone  
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show a part used to connect pieces of pipe or to connect other objects to pipe  
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show the process of enlarging the opening of tubing in a bell shape  
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Pipe   show
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PVC   show
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Reaming   show
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Tubing   show
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Valve   show
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Crosscut   show
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Grain   show
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Hardwood   show
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Kerf   show
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show wood products made by sawing logs  
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Plywood   show
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show wood with larger grain that is less dense and easier to cut; e.g., pine and fir  
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show a measure of the rate of flow of a current in a conductor  
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show an electrical source and wires connected to an electrical device  
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show a switch that trips and breaks the circuit when more than a specified amount of current passes through it  
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Conductor   show
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Conduit   show
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show form of energy that can produce light, heat, magnetism, and chemical changes  
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show the process of making an electrical connection between a circuit, electricity-using device, or other electricity source to the earth toreduce the chance of shock and damage  
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Insulator   show
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Kilowatt hour   show
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show a standard for the safe installation of electrical wiring and equipment  
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Ohm   show
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show any tendancy of a material to prevent electrical flow  
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show a condition that occurs when electricity flows back to its source to rapidly and trips fuses, burns wires, and drains batteries  
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show a measure of electrical pressure  
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show loss of voltage as electricity travels through a wire  
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show a measure of energy available or work that can be done using one ampere at one volt  
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show sand and gravel that comprise the bulk of concrete  
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show an artificial stone-like material formed by combining aggregate, Portland cement, and water  
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Cubic yard   show
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Curing   show
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Floating   show
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show a frame or mold that holds newly placed concrete until it has been set  
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show anything constructed of brick, stone, tile, or concrete units held in place with Portland cement  
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Mortar   show
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show dry powder made by burning limestone and clay followed by grinding and mixing; used to make concrete  
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Reinforced concrete   show
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show striking off exess concrete to create a smooth and level surface  
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Trowel   show
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show the consistency of wet concrete when the various ingredients are mixed together correctly  
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show a rod reading taken on a point of known elevation  
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show a permanent point of known or assumed elevation from which a survey started  
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show a unit of measurement which equals 66 feet  
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show a line connecting points on the land surface which have the same elevation  
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show the process of determining the releative elevations of various points; determining elevation differences between points  
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Foresight   show
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show a satellite-based navigation system  
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Height of instrument   show
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show a temporary point for a transit while doing differential leveling  
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