cameroon gce intermediate level plumbing technology 2

cameroon gce intermediate level plumbing technology 2

cameroon gce intermediate level plumbing technology 2

SECTION I- DRAINAGE AND VENTILATION NETWORKS (20 marks)
1.1
Name the four drainage network components that make up the domestic drainage network (4 x 1 = 4 marks)
1.2
For each network specify the function of the drainage network component and the type of fluid it is called upon to
evacuate.
(4 x 1= 4 marks)
1.3
Give the function of the following components of the rainwater drainage network:
a) Gutter,
b) Gutter outlet spout,
c) Rainwater conductor,
d) Yard Gulley. (4 x 1 = 4 marks)
1.4
Describe the process of securing and stabilizing the gutter on the roof facial board. Considering that the gutter is in
PVC profile 33 and the slope to position the gutter is 5mm/m. State the precaution to be observed to cater for the
expansion of the plastic gutters.
(6 marks)
1.5
Differentiate between primary and secondary ventilation. (4 marks)

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