Metallurgy and Materials Science Quiz

What is the primary focus of materials science?

• Study of living organisms

• Study of the structure and properties of materials

• Study of historical artifacts

• Study of chemical reactions in gases

Which of the following is NOT a category of materials studied in materials science?

• Metals

• Polymers

• Gases

• Ceramics

What does metallurgy primarily concern itself with?

• The behavior of gases

• The properties of ceramics

• The study of polymers

• The extraction of metals from ores

What is the term for the systematic evaluation of the physical properties of metals?

• Extractive metallurgy

• Physical metallurgy

• Electrochemical metallurgy

• Chemical metallurgy

Which of the following is a cause of brittle fracture in materials?

• High ductility

• High temperature

• Low impact loading

• High sulfur content

What is the atomic structure primarily composed of?

• Only neutrons

• Nucleus and surrounding electrons

• Electrons and protons only

• Atoms and molecules

Which scientist proposed the first modern atomic theory?

• Democritus

• John Dalton

• Ernest Rutherford

• Niels Bohr

What is the primary bond type found in metals?

• Metallic bonds

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

What is the coordination number for a simple cubic structure?

• 8

• 6

• 12

• 4

Which crystal structure has the highest atomic packing factor?

• Hexagonal Close-Packed

• Face Centered Cubic

• Body Centered Cubic

• Simple Cubic