6 Terms
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Aeronautics
The branch of science that deals with flight aerodynamics and with the operation of all types of aircraft.
Industry: Aviation
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Aeronautics
gamma rays
Aviation; Aeronautics
A form of electromagnetic radiation that results from nuclear fission. Gamma rays have the ability to penetrate solid material, and they are used in the radiographic method of nondestructive ...
hexode
Aviation; Aeronautics
A form of electron tube having six active electrodes. The electrodes are the cathode, the anode, the control grid, and three other grids that serve special functions in controlling the passage of ...
crystal diode
Aviation; Aeronautics
A form of electronic check valve. A crystal diode uses a semiconductor material which allows electrons to pass in one direction, but prevents their flowing in the opposite direction. A crystal diode ...
heat
Aviation; Aeronautics
A form of energy that affects the speed of movement of the molecules of which a material is made. The more heat energy in a material, the faster its molecules move, and the amount of heat energy in a ...
silica gel
Aviation; Aeronautics
A form of extremely porous silica used as a desiccant. Silica gel, packaged in porous paper bags, is stored inside delicate instruments and electronic equipment that could be damaged by moisture. ...
channel iron
Aviation; Aeronautics
A form of extruded steel whose cross section is in the shape of the letter U. Extruded steel is formed by forcing it through a specially shaped die.
impact extrusion
Aviation; Aeronautics
A form of extrusion made by forcing cold metal through a die by striking it a hard blow. This blow comes from a punch driven at a high velocity.
