Reference no: EM13797701

1. The atomic number of an element is

A. The number of neutrons in the nucleus of the atom
B. The number of protons in the nucleus of the atom
C. The number of electrons in the atom
D. 818 781 1200818-781-1200

2. Miller indices are used to

A. Define a plane in a crystal structure
B. Define a direction in a unit cell
C. Define a volume in a crystal lattice
D. Determine the direction in which the stock market is heading

3. Diffusion is the mechanism by which

A. Electrons move from one energy level to another
B. Atoms bond molecularly with each other
C. Matter is transported through matter
D. You forget everything when taking a test

4. Materials Engineering is the

A. Applied knowledge of materials
B. Basic knowledge of materials
C. The study of materials
D. Scientific approach to shopping at the mall

5. The Body Centered Cubic crystal structure has

A. Four atoms per unit cell
B. One atom per unit cell
C. Two atoms per unit cell
D. Only Walls and windows

6. Materials which contain a large amont of Iron are known as

A. Steels
B. Ferrous metals and alloys
C. Stainless steels
D. Cars

7. Avagadro's number is

A. Equal to the number of electrons in an atom
B. 2,875,932
C. The number of atoms in one mole of an element
D. unlisted

8. The Critical Radius is

A. The minimum size of a particle for solidification to begin
B. The distance between the nucleus and the furthest electron in an atom
C. The distance between the nucleus and the closest electron in an atom
D. All of the above

9. Line defects in a crystal structure are known as

A. Cracks
B. Dislocations
C. Scratches
D. Broken glass

10. Composite materials consist of

A. A mixture of two or more materials
B. Only light weight plastics
C. Multiple phases
D. Only liquids