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Crss 425: Fire Safety And Protection Question Paper

Crss 425: Fire Safety And Protection

Course:Bachelor Of Arts Criminology And Security Studies

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
FORTH YEAR EXAMINATION FOR THE AWARD OF DEGREE IN
BACHELOR OF ARTS CRIMINOLOGY AND SECURITY STUDIES

CRSS 425: FIRE SAFETY AND PROTECTION

STREAMS: CRSS Y4S1 TIME: 2 HOURS

DAY/DATE: MONDAY 12/8/2013 11.30 AM- 1.30 PM

INSTRUCTIONS:

• Question ONE is Compulsory
• Answer any other TWO Questions

1. (a) (i) Briefly define the following terms

(a) Pyrolysis
(b) Structure fire
(c) Backdraught
(d) Smouldering [4 marks]

(ii) Concisely state the difference between

(a) Class A fires and Class B fires
(b) Smothering and Smoldering
(c) Fire load and Fire resistance [6 marks]

(b) (i) Identify and explain any of the following

(a) Two natural causes of fire
(b) Four man made causes of fire [6 marks]

(ii) State the four requirements for production of fire

(iii) Explain the significance of flash over [3 marks]

(c) (i) Briefly describe the three stages of fire growth [9 marks]

(ii) Identify any two warning signs of back drought [2 marks]

2. (a) A fire broke out in a high rise building in Matira town. The fire load was assessed to be high with a value of 550 000kcal/m2 in the basement compartment. The mass of the combustion (HT) was 10 000 kg while the head of combustion (HC) was 8 000 calories.

(i) Calculate the possible area of the basement compartment. [5 marks]

(ii) If the mass of combustion was increased to 58 000 kg, calculate the Head of combustion and Area. [5 marks]

(b) (i) Describe any three fire detection systems

(ii) Two fire suppression systems [10 marks]

3. Identify and explain the four stages of the life cycle of a fire. [20 marks]

4. (a) (i) State the components of fire affected by

(a) Cooling
(b) Smothering
(c) Chemical interruption [3 marks]

(ii) Describe the agents of fire extinguishing as follows

(a) Three smothering agents
(b) Two chemical interruption agents
(c) One cooling agent [12 marks]

(b) State any five fire hazards [5 marks]

5. Discuss the Fire Safety Audit under the following

(a) (i) Define Fire Safety Audit [2 marks]

(ii) State five evidences of a fire audit [5 marks]

(b) (i) Identify six components of a Fire Safety Audit checklist [6 marks]

(ii) Explain the importance of a Fire Safety Audit checklist [3 marks]

(c) List two considerations when

(i) Preparing for Fire Safety Audit [2 marks]

(ii) After conducting a Fire Safety Audit [2 marks]

6. Write brief notes on the following Fire Safety strategies [20 marks]

(i) Fire Drills
(ii) Fire Safety committees
(iii) Fire assembly points
(iv) Fire rescue equipment
(v) Emergency agency
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Crss 425: Fire Safety And Protection Question Paper

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