QUESTION 1

(a) Identify the components of a fire triangle

(b) Explain the condition required for combustion process to be maintained.

(c) State and explain the methods of extinguishing fires

(d) Explain clearly, the stages of combustion

(e) Identify the methods of heat transfer and how they contribute to the spread of fire in the workplace

(f) State 6 conditions for gas and dust explosion to occur

QUESTION 2

(a) Give EIGHT common causes of fire in the workplace

(b) In relation to the ignition of metals, state

(i) In what form a metal is likely to ignite

(ii) The classification associated with a metal fire

(iii) THREE appropriate extinguishing agents used for metal fires

(iv) THREE combustible metals

(c) In relation to basic chemical reactivity, explain clearly, giving examples, what is meant by an: (i) Endothermic reaction

(ii) Exothermic reaction

(d) Outline measures that can be taken to minimize the risk of fire from electrical equipment

QUESTION 3

(a) Identify FOUR products of combustion that may activate automatic fire detection systems

(b) Give reasons for installing an automatic fire detection system

(c) Automatic fire detection system are designed to detect fire without human intervention. Give TWO types of: (i) smoke detectors

(ii) Heat detectors AND, in EACH case, outline how they detect products of combustion

(d) Describe reasons why the following should be provided at workplaces

(i) Emergency lighting

(ii) Escape route signs

QUESTION 4

(a) What are the factors to be considered when determining the adequacy of an escape route?

(b) Describe issues to be considered when developing an evacuation procedure to help ensure the safe evacuation of employees and visitors in the event of a fire

(c) Outline the benefits of undertaking regular fire drills in the workplace

(d) What are the possible effect on health and safety of poor housekeeping in the workplace?

QUESTION 5

(a) Fire resisting doors play a vital role in preventing the spread of fire and smoke. Give reasons why a fire resisting door may not provide adequate protection in the event of fire

(b) Identify FIVE air pollutants that might be produced as a result of a fire occurring at a Chemical Manufacturing site

(c) Outline practical measures that should be considered to reduce the risk from storage of flammable liquids in the workplace

(d) State the purpose of a fire log book AND identify the information that be contained in it