Knowledge in INDUCTION MOTOR (BASIC MECHANICAL ENGINEERING)

INDUCTION MOTOR (BASIC MECHANICAL ENGINEERING)

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FUNDAMENTALS OF DC MACHINES (BASIC MECHANICAL ENGINEERING)

This pdf contains theory based on FUNDAMENTALS OF DC MACHINES (BASIC MECHANICAL ENGINEERING)

basic mechanical engineering unit 1 notes.

Materials: Classification of engineering material, composition of cast iron and carbon steels on iron-carbon diagram and their mechanical properties; Alloy steel and their applications; stress- strain diagram, Hooks law and modulus of elasticity. Tensile, shear, hardness and fatigue testing of materials. Classification of Materials Like many other things, materials are classified in groups, so that our brain can handle the complexity. One can classify them based on many criteria, for example crystal structure (arrangement of atoms and bonds between them), or properties, or use. Metals, Ceramics, Polymers, Composites, Semiconductors, and Biomaterials constitute the main classes of present engineering materials.