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Question 8

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LisaS

February 11, 2009, 09:24:37 AM
QUESTION 8
(a) Describe in detail the following types of mechanical ventilation systems.
1  Extract ventilation
2  Plenum ventilation
3  Balanced ventilation
(9 marks)

(b)  State the main purpose of ventilation.
(1 mark)
Total 10 marks

Linkback: https://forum.plumbers.nz/plumbing-exam-2006/19/question-8/136/
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