Engineering Science N6 — Document
August 2019 — N6 — Engineering Science
N6
2019
Nated Engineering
Preparing document
📋 Document Analysis
See full analysis
Questions — A Preview of What to Expect in the Document
49
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.
6.1The formula used or manipulation thereof
6.2Substitution of the given data in the formula
6.3The answer with the correct SI unit The constant values, as they appear on the attached formula sheet , must be used when possible. Answers must be rounded off to THREE decimal places. Use g = 9,8 m/s
Q1— Section header —
1.1Describe, with the aid of neat sketches, how the pitch of sound can determined. (2\
1.2Distinguish between the concept node and antinode applicable to standing waves. (2\
1.3What is the difference between a displacement node and a displacement antinode applicable to stationary or standing waves and what is the distance
1.4A steel pipe is 57 cm long with its lower part clamped vertically in water so that the length of the air column can be changed. The pipe resonates for the first time with a vib rating tuning fork at a frequency of 535 Hz when the air
Q2— Section header —
2.1In practice a process can be obtain as near as possibl e to a true isothermal process. Explain what is meant by an isothermal process and explain how it is obtained. (2\
2.2The third law of thermodynamics state that the absolute freezing point can be reached. Is this statement true or false
2.3Explain specific heat capacity of a gas. (2\
2.4
2.5A volume of 0,018 m of a certain substance has an initial pressure of 680 kPa. It is allowed to expand adiabatically to a pressure of 148 kPa. se Cp = 1,066 kJ/kg.K and Cv = 0,785 kJ/kg.K Calculate the following:
2.5.1ubstance gas constant for this gas
2.5.2olume of th substance of this gas at the latter pressure (2\
2.5.3mount of work done by the substance (2\
2.5.4hange in internal energy of the substance (1\
2.6
2.6.1Thermal efficiency of the cycle
2.6.2ork done during ten cycles (2 (4\
2.7
Q3— Section header —
3.1Explain dielectric constant on a capacitor (2\
3.2Give the definition of the unit of electrical charge (2\
3.3Explain electrostatic induction (2\
3.4
3.4.1otential difference across the combination
3.4.2lectrostatic energies before and after the capacitors are connected in parallel (2 (6\
3.5Determine the capacitance in microfarads of a parallel plate capacitor made with five metal plates and separated by sheets of mica having a thickness of 0,4 ram and a relative permittivity of 7. The area of one side of the plate
3.6Calculate the number of excess electrons on the drop in a illikan experiment if a negatively charged oil drop of mass 2,4 kg is held stationary in a vertical elec tric field with an intensity of 5
3.7Complete the following paragraph s by using the words in the list below. Write only the word next to the question number (3.7.1
3.7.6\ in the ANSWER BOOK. Each word may only be used ONCE. urrent dielectric one second ratio electrical charge relative permittivity
Q4— Section header —
4.1Complete the following sentences by writing the missing word/s next to the question number (4.1.1
4.1.5\ in the ANSWER BOOK.
4.1.1Gamma rays are electromagnetic waves of exactly the same type as X rays, and d iffer from X rays only in being
4.1.2By magnetic deflections the beta particle were shown to be
4.1.3Alpha particles have a charge of +2 electron units and a mass
4.1.4In 1899 Ernest Rutherford found that a type radioactive radiation was stopped or absorbed by a thin 0,002 cm sheet of aluminium. e called his addition
4.1.5Rutherford also found that another particle required a few millimetres of aluminium to be stopped or absorbed. This radiation was called (5 (5\
4.2When a metal is heated, electrons are ejected.
4.2.1What name is given to this phenomenon? (1\
4.2.2Briefly explain why electrons are ejected. (2\
4.2.3Explain why ejected electrons would return to the hot metal. (2\
4.3Describe photoelectric emission and also explain what will happen to the external and internal electron. (4\
4.4Explain how the intern al photo electrical effect is used when light intensity is measured by, for instance, a photographic exposure meter when a light is shine on different metals.
4.5Make a neat label led sketch of an atom (3\
4.6Explain isotope by referring, amon g other things to the concepts proton and neutron (2\ [25] TOTAL:25
Topics Identified
1
Business Plan
Mark Allocation
Total100 marks
Sections25 + 25 + 25 + 25 = 100 marks
Paper information
TitleDocument
SubjectEngineering Science
LevelN6
Document typeQuestion paper
Year2019
MonthAugust
Pages8
Downloads4
Examination context
Decade2010s
Years ago7y
SeasonWinter (SH)
Start dayThursday
Exam periodAugust 2019
Days since exam2,629
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.
File details
File size330.9 KB
Pages8
Archived on8 September 2026
File age47d
ContributorFreeMode
Fingerprint95969C2E215F
Questions and learner discussion
Log in to ask a question or leave a review.
No questions or discussions have been posted yet.