1. The common industrial method used to measure the hardness of a metal is?
(a) The Bernoulli method.
(b) Hooke’s method.
(c) The capillary method.
(d) The Brinell method.
(e) None of the above.
2. Density is a property of?
(a) Gases.
(b) Liquids.
(c) Solids.
(d) All of the above.
(e) None of the above.
3. The process by which molecules of a gas mix with the molecules of a solid, a liquid, or a gas is called?
(a) Expansion.
(b) Contraction.
(c) Capillary action.
(d) Diffusion.
(e) None of the above.
4. Capillary action refers to?
(a) The mixing of molecules of different types.
(b) The behavior of liquids in small tubes.
(c) The attractive force between molecules.
(d) Stretching beyond the elastic limit.
5. The relationship of the change in length of a stretched or compressed object to the force causing the change is given by?
(a) Pascal’s law.
(b) Brinell’s law.
(c) The elastic limit.
(d) Hooke’s law.
(e) None of the above.
6. The ability of the surface of water to support a needle is an example of?
(a) Mass density.
(b) Hooke’s law.
(c) Diffusion.
(d) Stress.
(e) Surface tension.