This page has every Fault Finding and Protective Devices N4 August paper we have, from 2018 to 2021: 3 question papers and 3 memos in 6 PDFs. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Fault Finding and Protective Devices N4 August papers by year
Fault Finding and Protective Devices N4 August 2021 question papers and memos
August 2021
Fault Finding and Protective Devices N4 August 2021 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 The fault-finder is concerned with corrective maintenance. 15 marks
Q2
2.1 Name the TWO quantities on which the speed of a three-phase induction motor 15 marks
Q3
3.1 State FOUR factors that can influence dielectric properties. (4) 21 marks
Q4
4.1 Draw a full-wave bridge rectifier circuit, showing the input and output wave 19 marks
Q5
5.1 Draw a diagram to illustrate how a controls the amount of power drawn from an 13 marks
Q6
6.1 Draw the truth table circuit of the following expression: 17 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Start each question on a new page. Write neatly and legibly. (8080104) -3-
Fault Finding and Protective Devices N4 August 2019 question papers and memos
August 2019
Fault Finding and Protective Devices N4 August 2019 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 State FIVE factors and their relevaqntues tions with reference to t he 17 marks
Q2
2.1 Draw a three-phase control circuit of a forward and reverse motor. (8) 22 marks
Q3
3.1 State THREE factors that influence capacitance. (3) 19 marks
Q4
4.1 Draw a simple sketch of a cathode-ray tube. (6) 17 marks
Q5
5.1 Draw the characteristic curve of a germanium diode. (5) 14 marks
Q6
6.1 Draw the truth table and electrical circuit of a three-input OR gate. Label the 11 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Sketches must be large, neat and fully labelled. Write neatly and legibly. (8080104) -3-
Fault Finding and Protective Devices N4 August 2018 question papers and memos
August 2018
Fault Finding and Protective Devices N4 August 2018 question paper
100 marks · 3 hours · 5 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 A start button is pushed and there is no reaction. 16 marks
Q2
2.1 Explain, with the aid of a drawing, the operation of a direct-on-line starter with 12 marks
Q3
3.1 Name TWO types of overload. (2) 22 marks
Q4
4.1 Explain how Eddy-current can be minimised in coils of transformers. (2) 18 marks
Q5
5.1 Name the type of implication which can be obtained from the following: 22 marks
Q6
6.1 Explain force commutation of SCR. (2) 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (8080104) -3- T660(E)(A2)T
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Questions about these papers
Which years of Fault Finding and Protective Devices N4 August papers are on this page? Papers from 2021, 2019, 2018. The newest year is at the top.
How many marks is the Fault Finding and Protective Devices N4 August paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 3 of the 3 papers on this page have their marking memo next to the question paper.
