Page 105 - CAPE Green Engineering Syllabus 2016.docx_Neat

-14- 02165020/CAPE/KMS 2015 SPEC

GREEN ENGINEERING
UNIT 1 - PAPER 02
KEY AND MARK SCHEME

Question 6. (continued)

S.O Suggested Response Mark Marks
Allocation KC AK PS

1:3: (b) (i) A. Principles 1 and 10 1 3
B. Principles 3 and 4 1 2
C. Principle 6 1

1:3:6 (ii) Principles 1 and 10. Materials and 2
energy inputs and outputs should be
as non-hazardous as possible.
Design of processes and systems
must include integration and
interconnectivity with available
energy and material flows.

Principles 3 and 4, separation and
purification operations should be a
component of the design framework
and system components should be
designed to maximize mass, energy
and temporal efficiency.

Principle 6, the product should be
recycled, reused or should not
cause damage when disposed.

Any one

1:3:2 (c) Types of MWFs are: 3

1. Straight oils 1
1
2. Oil-in-water emulsions – soluble 1
oils

3. Oil – in- water emulsions – semi-
synthetics

4. True solutions - synthetics

Any three