Industrial Electronics N6 — Document

August 2018 — N6 — Industrial Electronics

N6 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 44 items found

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Q1— Section header —

1.1Analyse the R C transient circuit for an initially uncharged capacitor and answer the questions

1.1.1Which voltage value will be measured across t t < 0 s (before switch on

1.1.2aximum current flows in the circuit at t = 0 s (at switch on\ State the relationship between the voltage values V R3 and V C1 at this instant.

1.1.3Calculate the value of V C1 at t = 0 s. (4\

1.2Briefly explain the term damping and name THREE typical damping techniques. (2 + 3\

Q2— Section header —

2.1Data acquisition system can be categorised into either analogue or digital systems. Name THREE of the five elemen ts that a typical analogue data

2.2

2.2.1The value of R if the amplifier is connected in an inverting mode (6\

2.2.2The value of R if the am plifier is connected in a non inverting mode (3\ [12]12

Q3— Section header —

3.1Ultra sonic cleaning is suitable for removing dirt from delicate mechanisms. Draw a neat fully labelled generic block diagram that shows the different parts of an ultrasonic cleaning apparatus. (6\

3.2Describe in ONE word the propagation properties of ultrasonic energy through each of the following forms of matter

3.2.1Vacuum

3.2.2Gas

3.2.3Liquid

3.210

Q4— Section header —

4.1Electromagnetic radiation is the energy waves produced by the oscillation of an electric charge. Give, in any particular order, SEVEN components that make up the electromagnetic spectrum of rays. (7\

4.2The shortest wavelength of X rays produced by an X ray tube is determined by the following formula: Give

Q5— Section header —

5.1The following data is obtained from a spec imen testing simulation: Specimen thickness 080 mm Pulse repetition t

5.1.1The p ropagation velocity (3\

5.1.2The f requency (2\

5.1.3The d epth of flaw (2\

5.2Name SIX practical examples of industries where metal detectors are used (6\ [13]13

Q6— Section header —

6.1There are two basic categories of process control in any manufacturing process. Give the name of the error actuated

6.2Describe by means of a labelled block diagram, the error actuated process cont

Q6— Section header —

Q7— Section header —

7.1The figure below depicts a generic industrial punch press with an electronic safety circuit attached to ensure safe operation . Label the parts by writing the answer next to the question number (7.1.1

7.1.14in the ANSWER BOOK.

7.2Briefly describe, in point form, the operation of the electronic safety circuit in

Q7— Section header —

Q8— Section header —

8.1The fir ing angle for the rated voltage (5\

8.2The firing angle for a starting current of 50 A (9\ [14]14

Q9— Section header —

9.1Hard wiring

9.2Soft wiring

9.36

7.1.18080186 800

Mark Allocation

Total100 marks

Sections12 + 12 + 10 + 11 + 13 + 10 + 12 + 14 + 6 = 100 marks

Paper information

TitleDocument

SubjectIndustrial Electronics

LevelN6

Document typeQuestion paper

Year2018

MonthAugust

Pages9

Downloads4

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,992

About Industrial Electronics examination preparation

Industrial Electronics covers semiconductor devices, amplifiers, power supplies, and digital logic circuits. The examination tests both theoretical knowledge and practical circuit analysis.

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.

semiconductor theory

circuit analysis

component identification

digital logic principles

interpreting circuit diagrams

A practical revision approach

Practice circuit analysis with correct formulae and units. The memorandum rewards accurate calculations, correct component identification, and proper interpretation of circuit diagrams.

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File size498.5 KB

Pages9

Archived on8 September 2026

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