Engineering Science NCV Level 4 — Document P1
February 2018 — NCV Level 4 — Engineering Science
NCV Level 4
2018
NCV Engineering
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Questions — A Preview of What to Expect in the Document
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This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.
Q1— Section header —
1.1Define the term water pollution (1\
1.2Give THREE causes of water pollution. (3\
1.3Explain the difference between point source pollution and non point source pollution as related to water pollution. (2\
1.4Waste water is contaminated water that has been used in industries and has to be cleaned before it can be rele ased back into the environment. Briefly explain the following methods used to clean waste water:
1.4.1Filtering of water
1.4.2Sedimentation
1.4.3
1.5Indicate whether the following statements are TRUE or FALSE Write only 'true' or 'false' next to the quest ion number (1.5.1
1.5.5\in the ANSWER BOOK.
1.5.1Friendliness is a good example of a positive attitude towards others in the workplace.
1.5.2Integrity requires employees to carry out their duties in a responsible manner.
1.5.3Absenteeism from work does not have a negative effect on the evels of production in the work place.
1.5.4Sexual harassment in the workplace affects women only.
1.5.5
1.6Explain the term transportation congestion (2\
1.7Discuss the negative consequences transportation congestion has on road users and the environment. (5\
1.8What does the acronym SAID stand for? (1\ [25] (6021014\ NC2525
Q2— Section header —
2.1During the design process, the design team has to select the best possible design solution from a number of possible design solutions. For this purpose, a co ncept selection matrix is used. Analyse the conce
2.1.1How many criteria has the design team determined for this design problem? (1\
2.1.2Expl ain the term eighting f actor as used in the concept selection matrix. (2\
2.1.3What is the weighting factor for Cost? (1\
2.1.4etermine the rating factor for Safety for Concept 3 (1\
2.1.5etermine the concept total for Reliability for Concept 2 (1\
2.1.6Calculate the total score for C oncept 1 (2\
2.1.7Which mistake did the design team mak e in this concept selection matrix? (1\
2.1.8What should the design team do to rectify the mistake found in
Q2— Section header —
2.2Complete the following sentences by using the words in the list below. Write only the missing word or words next to question number (2.2.1
2.2.3in the ANSWER BOOK scale; mock up; prescriptive; standards;
2.2.1Mathema to predict certain quantities
2.2.2When a computer program mimics a real process, it is called
2.2.3
2.3Give THREE consequences of ngineers not complying with proper design
2.4You are a project leader and planning a brainstorming session to generate ideas or s olutions for a design problem. xplain the entire process to generate and finally sift ideas using a brainstorming session.
2.5Briefly explain the next step in the design process when a prototype of a design solution has been built. (1\ [25]25
Q3— Section header —
3.1Various options are given as possible answe rs to the following questions. Choose the answer and write only the letter (A D\ next to the question number (
3.1.1.1.5\n the ANSWER BOOK.
3.1.1The last section of a technical report is the conclusion introduction
3.1.2Which ONE of the following pieces of information will NOT be found on the t itle page of a technical report:
3.1.3When writing a technical repo rt, the writer acts are left out
3.1.4The recommendation section uggestions for the rectification of the problem
3.1.5The conclusion section of a technical report follows the introduction
3.2A workshop consists of a m illing machine, CNC lathe and shaping machine. Consider the following sequ ence of events in the workshop and draw a block diagram (arrows included\ to graphically represent the sequence of events:
3.3Verbal presentation is an example of audiovisual presentation techniques. State FIVE other techniques used to give presentations to management. (5\
3.4Explain the difference in operation between the AND and OR logical networks. (2\
3.5What do the followin g symbols or acronyms on engineering drawings stand for
3.5.225
Q4— Section header —
4.1List SIX input devices used in computing. (6\ (6021014\ NC25
4.2A spreadsheet is a software program that has the ability to do various types of calculations, such as the sum, average, etc . of a range of numbers. Analyse the incorrect Microsoft Excel formulae below
4.2.4\in the ANSWER BOOK
4.2.1=SUM(A1;A5\
4.2.2A1+A2+A3+A4+A5
4.2.3=HIGH(A1:A5\
4.2.4
4.3Which key on a QWERTY keyboard accesses the Help function? (1\
4.4Choose a description from COLUMN B that matches a term in COLUMN A. Write only the letter (A \n ext to the question number (4.4.1
4.4.10\in the ANSWER BOOK. COLUMN A COLUMN B
4.4.10Flip lop Bit Hard d isk RAM ROM
4.5Agile development is an examp le of a complex software system and is an iterative software metho d used for project development. One of the principles of agile development is self organising teams.
Topics Identified
1
Circuits
Mark Allocation
Total100 marks
Sections25 + 25 + 25 + 25 = 100 marks
Paper information
TitleDocument
SubjectEngineering Science
LevelNCV Level 4
Document typeQuestion paper
Year2018
MonthFebruary
Pages8
Downloads7
Examination context
Decade2010s
Years ago8y
SeasonSummer (SH)
Start dayThursday
Exam periodFebruary 2018
Days since exam3,175
About Engineering Science examination preparation
Engineering Science combines physics principles with engineering applications. The examination covers mechanics, thermodynamics, electricity, and materials science at the relevant N-level.
How to use this resource for revision
A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?
For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.
applying physics principles
selecting appropriate formulae
performing calculations with units
interpreting engineering scenarios
explaining scientific reasoning
A practical revision approach
Create a formula sheet organised by topic. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling — always write the formula before substituting values.
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Pages8
Archived on8 September 2026
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