EXCEL - Coaching EST ELEX GEAS.pdf - COACHING 1 GEAS 1 2 Answers Secant Modulus Line Defect Elastic Limit 3 Yield Strength 4 5 6 7 Alloy Thermal

EXCEL - Coaching EST ELEX GEAS.pdf - COACHING 1 GEAS 1 2...

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COACHING 1 - GEAS Answers Questions 1 Secant Modulus Ratio of stress to strain at any point on curve in a stress-strain diagram 2 Line Defect Most common crystal defect 3 Elastic Limit stress or force per unit area within a solid material that can arise before permanent deformation 4 Yield Strength Indication of maximum stress that can be developed in a material without causing plastic deformation 5 Alloy A material that doesn't vary with temperature changes 6 Thermal Conductivity The property of a material's ability to conduct heat 7 Parts Poly means "many" and Meros means _____ 8 Critical Size The minimum size of a nuclear reactor core that can be made critical for a specific geometrical arrangement and material composition 9 Remanence Same as retentivity 10 Curie Temperature the temperature above which a ferromagnetic substance loses its ferromagnetism and becomes paramagnetic 11 Aliphatic Doesn't contain a ring 12 Vander Waals Bond 8 bonds 13 Chromium which element is a BCC 14 Zinc Which element is a HCP 15 0.00393 Copper Annealed 16 Einstein's Theory the concept that the mass of a body is a measure of its energy content 17 Work Function minimum energy (usually measured in electron volts) needed to remove an electron from a solid 18 Photoelectric effect the emission, or ejection, of electrons from the surface of, generally, a metal in response to incident light. 19 Creep a "time-dependent" deformation 20 Paramagnetism produced by the spin of an atom 21 Diamagnetsim Formed by anti parallel atomic spins 22 Anastigmatic Lens Lens used to correct Astigmatism, Spherical and Chromatic Abberation 23 Protium 1 Proton & 0 Neutron 24 Deuterium 1 Proton & 1 Neutron 25 Lead Shield against X-ray 26 Kinetic Theory describes a gas as a large number of small particles (atoms or molecules), all of which are in constant, random motion 27 Floatation The process of separating different materials, especially minerals, by mixture of the materials with liquid. 28 Heat engine a device that converts heat energy into mechanical energy 29 Carnot engine shaped like cylinder with a adjustable piston 30 Electrolyte a solution that conducts electricity 31 Stoichiometry branch of chemistry that deals with the relative quantities of reactants and products in chemical reactions 32 Nuclear Disentegration The emission of a proton or neutron from a nucleus as a result of bombarding the nucleus with alpha particles, protons, deuterons, neutrons, 33 Eureka Alloy of copper and nickel with high electrical resistance and has constant temperature 34 Nuclear Reactor machines that convert energy stored in atoms into heat or electricity. 35 Cryogenics concerned with the production of very low temperatures and the phenomena occurring at these temperatures 36 Formality Molecular weight over Volume 37 Matter & Energy The universe is made up of ______ 38 Acid A substance with pH less than 7 39 7 Substances that are Neutral have a pH of _______ 40 Alkali Metals Are elements which when removed by one
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