Materials Engineering Questions and Answers
What is a metal? Answer: Most common element in the periodic table, and normally solid at room temperature. An example of an _________ is Steel. Answer: Alloy What type of structure does a metal have? Answer: Compact and crystalline atomic structure. What is melting point and which property is it involved in? Answer: The temperature at which an object changes to liquid form and it is involved with thermal properties. Metal is an _______________ material? Answer: Inorganic What are the four types of materials ? Answer: Metals, Ceramics, Polymers, Composites List three types of ceramics Answer: Magnesium Oxide, Clay, and Cement Define Thermal Expansion Answer: Thermal Expansion is how an object can change size when caught on fire. What are nano sized cylinders of carbon ? A. Nanopipes B. Buckyballs C. Nanotubes D. Nanowires C. Nanotubes The light that is reflected (not absorbed) is what gives the object it's ...