This page has every Fault Finding and Protective Devices N6 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 N6 August papers by year
Fault Finding and Protective Devices N6 August 2021 question papers and memos
August 2021
Fault Finding and Protective Devices N6 August 2021 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Name FOUR factors to be considered when choosing a cell for a certain 13 marks
Q2
2.1 Draw a diagram of an induction overcurrent relay. (6) 21 marks
Q3
3.1 Explain the purpose of lightning arresters. (5) 15 marks
Q4
4.1 Explain how you would carry out a crackle test to check whether water is 17 marks
Q5
5.1 State SIX causes of faults in cable joints. (6) 16 marks
Q6
6.1 Draw a fully labelled block diagram of a logic probe. (10) 18 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. Only use a black or blue pen. Write neatly and legibly. (8080126) -3-
Fault Finding and Protective Devices N6 August 2019 question papers and memos
August 2019
Fault Finding and Protective Devices N6 August 2019 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Explain floating charge concerning lead/acid cells. (2) 18 marks
Q2
2.1 Calculate the short-circuit current at points B and F1, assuming a source error 13 marks
Q3
3.1 Explain how an earth wire can protect an overhead line against lightning. (3) 19 marks
Q4
4.1 Explain each of the following terms regarding faults on a transformer: 18 marks
Q5
5.1 Draw the wave shape for open-circuit and short-circuit. (2) 15 marks
Q6
6.1 Name EIGHT tests to be carried out on thyristors. (8) 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. Sketches must be large, neat and fully labelled. Write neatly and legibly. (8080126) -3-
Fault Finding and Protective Devices N6 August 2018 question papers and memos
August 2018
Fault Finding and Protective Devices N6 August 2018 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 What type of electrolytes would be used to top up the following types of cells: 15 marks
Q2
2.1 Define protection relay. (2) 21 marks
Q3
3.1 Name EIGHT tests to be carried out on a high-voltage surge arrester. (8) 16 marks
Q4
4.1 Name FOUR types of faults that will result in the slow release of gas inside a 16 marks
Q5
5.1 State THREE causes of the following faults in cables: 22 marks
Q6
6.1 Draw a simple sketch to indicate how a logic and logic probe will be used to 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. (8080126) -3- T680(E)(J23)T
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Questions about these papers
Which years of Fault Finding and Protective Devices N6 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 N6 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.
