Engineering 151 Quiz Module 1 through 6
Waqas Ahmed (Not rated)
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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. | 818-781-1200
|
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 |
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
|
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 |
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 |
Materials which contain a large amont of Iron are known as
| A. | Steels | |
| B. | Ferrous metals and alloys | |
| C. | Stainless steels | |
| D. | Cars |
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 |
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 |
Line defects in a crystal structure are known as
| A. | Cracks | |
| B. | Dislocations | |
| C. | Scratches | |
| D. | Broken glass |
Composite materials consist of
| A. | A mixture of two or more materials | |
| B. | Only light weight plastics | |
| C. | Multiple phases | |
| D. | Only liquids |
11 years ago
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