Page 115 - CAPE Green Engineering Syllabus 2016.docx_Neat

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GREEN ENGINEERING
UNIT 1 - Paper 032

MARK SCHEME
SPECIMEN PAPER

Syllabus Mark Marks
Objective
Question Suggested Response Alloca KC AK PS
tion
from production to how
each resource is broken
down in the environment
after practical usage.

v. Efficient use of
materials is an essential
component of energy
inefficiency while a
material or energy source
may be abundant,
accessible and have a low
carbon footprint over
usage of the commodity
may result in wastage or
pollution consequently
efficient use of
materials must be
considered to avoid
misuse or over usage.

vi. Passive Cooling

This is a cooling design

approach that focuses on

heat gain control and

heat dissipation in a

building in order to

improve the indoor

thermal comfort with low

or no energy consumption

2. Justificat 1 and 5 Efficient use of Any

ion of materials THREE, 9
inefficien
i. The first issue related 3
cies.
to the case study is marks

painting a building in EACH

dark grey. Dark colours

traps and store heat,

this will result in

significantly higher

utilization of air

conditioning to cool the

facility consequent of

the colour chosen to

paint the building. Light

colours repel light

energy and consequently

trap less heat

Passive cooling