Judgments
NAH_Engineering-Science_QP_2023 (1).pdf
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- Btec Engineering
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- Btec Engineering
NAH_Engineering-Science_QP_2023 (1).pdf
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AHX823/77/11
National
Qualications
2023
Engineering Science
TUESDAY, 16 MAY
1:00 PM – 3:30 PM
Total marks — 75
You may refer to the Advanced Higher Engineering Science Data Booklet.
SECTION 1 — 35 marks
Attempt ALL questions.
SECTION 2 — 40 marks
Attempt ALL questions.
Write your answers clearly in the answer booklet provided. In the answer booklet, you must
clearly identify the question number you are attempting.
For questions 1 (a), 8 (a) and 8 (e), write your answers clearly in the worksheets provided in the
answer booklet.
Show all working and units where appropriate.
The number of significant figures expressed in a final answer should be equivalent to the least
significant data value given in the question. Answers that have two more figures or one less
figure than this will be accepted.
Use blue or black ink. Sketches, diagrams and graphs may be drawn in pencil.
Before leaving the examination room you must give your answer booklet to the Invigilator; if you
do not, you may lose all the marks for this paper.
©
*X8237711*
A/PB
, [BLANK PAGE]
DO NOT WRITE ON THIS PAGE
page 02
, MARKS
SECTION 1 — 35 marks
Attempt ALL questions
1. A precedence table for the stages in part of a civil engineering construction project is
given below. The duration of each stage is measured in weeks.
Duration
Stage Precedence
(weeks)
A -- 2
B -- 4
C -- 6
D A 8
E B, C 3
F D 1
G E 6
H E 5
(a) Complete an activity network diagram for the project using the worksheet for
question 1 (a). 3
(b) Identify the critical path for the project. 1
The project life cycle is defined in four phases: initiation, planning, implementation
and closing.
(c) Identify which of these four phases would include the production of a
precedence table and an activity network diagram. 1
(d) Explain the need for one activity that a project manager would complete during
the closing phase of a project. 2
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