Question

Define the following terms and indicate units in which they are normally expressed,

1. Density
2. Specific heat
3. Thermal conductivity

In each case state how a low numerical value for the property would affect the ease with which a solid can be ignited

b. What are units of energy and power

c. Electric lighting is often overlooked as a potential source of ignition. List factors that might lead to a light fitting becoming an ignition source.

d. Discuss why the use of electrical adaptors and extension leads in workplace should be minimized.