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Q9. With reference to an automatic water sprinkler, fire detecting alarm and extinguishing system for accommodation spaces:

a) Sketch a typical system. (4)

b) Describe the operation of this system. (4)

c) State the sources of water available. (2)

d) Describe the sprinkler head and its operation. (3)

e) State how the temperature rating of the sprinkler head is determined. (3)