QUESTIONS WITH ANSWER QUESTIONS A NSWERS S ELEMENT 11 FIRE
1. Past Exam Question Outline th the e ma main in requi require reme s of o f a safe safe requ requir ire ement ments mea me ans of esc sca ape fr from om a bu buil ildi ding ng in th the e buildi eve vent nt of a fi fire re (8)
1. Past Exam “ Answer ”
Early detection Travel distances Protected routes, no obstructions Emergency lighting Place of relative safety Fire exits, open in right direction Signs Fire extinguishers, alarm call points
2. Past Exam Question Outline the precautions to be taken when storing & handling flammable solvents in small containers (8)
2. Past Exam “ Answer ”
Keep quantities to a minimum Internal storage – Metal cabinets External storage – Special designed storage room outside with top & bottom ventilation located away from other buildings & roads etc, signs, no -smoking Fully labelled LEV, fume cupboards, dilution ventilation, PPE Keep away from ignition sources
3. Past Exam Question Outline the factors to consider when carrying out a fire risk assessment of a workplace (8)
3. Past Exam “ Answer ”
Means of detecting fire & raising the alarm Means of fighting fire Means of escape, travel distance, place of r elative safety, protected routes Occupancy numbers types of people Type of workplace Practices Fire marshals Muster points Maintenance of the above
4. Past Exam Question Outline reasons for undertaking regular fire drills in the workplace (8)
4. Past Exam “ Answer ”
Legal requirement, records of practices can verify compliance Familiarisation of personnel with exits, procedures, muster points Highlight any hazards or deficiencies in risk assessment procedure for fire Check that detection, alarm, extinguishing systems are working & suitable & sufficient Check travel distance are not too long & escape times are within limits set Aids in reviewing the fire risk assessment
5. Past Exam Question State the factors that should be considered when carrying out an assessment of fire risk in the workplace (8)
5. Past Exam “ Answer ”
Means of detecting fire & raising the alarm Means of fighting fire Means of escape, travel distance, place of relative safety, protected routes Occupancy numbers types of people Type of workplace Practices Fire marshals Muster points Maintenance of the above
6. Past Exam Question a) Identify FOUR types of ignition source that may lead to fires in the workplace (4) b) Outline ways of controlling each of the ignition sources identified in a) (4)
6. Past Exam “ Answer ”
a) – Smoking materials (matches cigarettes) – Poorly maintained electrical equipment – Friction from machinery – Sparks/flames from welding equipment/hot work
b) – No -smoking or designated areas with sand buckets – PAT programme programme – Maintenance – PTWs , SSW
7. Past Exam Question a) With reference to the fire triangle outline TWO methods of extinguishing fires (4) b) State the ways in which persons could be harmed by a fire in work places (4)
7. Past Exam “ Answer ”
a) – Removal of oxygen – Reduction in temperature
b) – Asphyxiation Asphyxiation / lack of oxygen – Burns – Toxic fumes – Crushed
8. Past Exam Question a) Explain with a suitable sketch the meaning of the term “ fire triangle” (4)
8. Past Exam “ Answer ”
a) Oxygen, ignition, heat, fuel
9. Past Exam Question a) List TWO types of fire extinguisher that may be used on “ electrical fires ” (2) b) Outline the measures that could be taken to minimise the risk of an “ electrical ” fire (6)
9. Past Exam “ Answer ”
a) – Dry powder, CO2 b) – Maintenance, PAT testing – Keep away from flammable objects, etc – Good housekeeping (no storage of combustible materials) – Not overloading sockets – Correct fuse rating – Do not coil cables when equipment is in use
10. Past Exam Question Explain the methods of heat transfer that cause the spread of fire (8)
10. Past Exam “ Answer ”
Conduction Convection Radiation Direct contact
11. Past Exam Question a) Explain the meaning of the term “ flash point ” (2) b) Outline the precautions to be taken to reduce the risk of fire when using flammable liquids in the workplace (6)
11. Past Exam “ Answer ”
a) – Temperature at which vapours given off will ignite when subjected to an external ignition source & will extinguish when the ignition source is removed
b) – Keep quantities to a minimum, stored in suitable closed vessels in a metal cabinet (50 litres max indoors), outdoors fireproof or separate storeroom with top & bottom ventilation & kept cool away from ignition sources, correctly labelled, suitable fire extinguishing equipment
12. Past Exam Question List EIGHT rules to follow that may reduce the risk of fire starting in a workplace (8)
12. Past Exam “ Answer ”
Good housekeeping Correct storage of flammables No -smoking or designated areas with sand bins Keep ignition sources & flammable materials apart Security (arson) Maintenance of electrical equipment keeping combustibles away from heaters ISIT
13. Past Exam Question Outline the issues that should be included in a training programme for employees on the emergency action to take in the event of a fire (8)
13. Past Exam “ Answer ”
How to raise the alarm Where the fire exits are Where the call points & extinguishers are Muster point Don not run How evacuation of the premises will be conducted Practices How to fight a fire with different extinguishers?
14. Past Exam Question a) List FOUR sources of ignition that should be considered when storing & using flammable solvents (4) b) Identify TWO extinguishing agents that can be used on fires that involve flammable solvents AND explain their mode of action (6)
14. Past Exam “ Answer ”
a) – Naked flames, smoking materials, cigarettes/matches – Mechanical friction – Electrical sparking/arcing – Welding b) Foam – smothers by creating a floating blanket, Dry powder – interferes with the chemical process involved in burning
