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GREEN ENGINEERING
UNIT 1 - Paper 032
MARK SCHEME
SPECIMEN PAPER
Question Syllabus Suggested Response Mark Marks
Objective Alloca KC AK PS
tion
the coolest temperature;
it should be moderated
using proximity and/or
occupancy sensors where
the AC unit is only used
when the room is
occupied. This will
ensure that energy is
supplied as demanded or
green engineering
principle of Output –
Pulled versus Input –
Pushed where the AC
dictates the temperature
and the time it operates.
Integrate material and
energy flows.
iv. A slant roof is more
environmentally friendly
and facilitates a cooler
space versus a flat roof.
Integrating this design
will facilitate greater
energy flow rather than.
This speaks to the green
engineering principle of
integrating material and
energy flow.
v. A slant roof would more
easily facilitate water
flow and reduces the risk
of water being absorbed
through the concrete. A
slant roof would also
eliminate the need for
applying tar to the
surface the green
engineering principle of
preventing the
possibility of the roof
absorbing water rather
than the having a flat
roof and applying tar to
prevent the roof from
absorbing water.
vi. The facility should
utilize a solar water