This page has every Fault Finding and Protective Devices N6 April paper we have, from 2018 to 2021: 4 question papers and 2 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 April papers by year
Fault Finding and Protective Devices N6 April 2021 question papers and memos
April 2021
Fault Finding and Protective Devices N6 April 2021 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 State the remedies for the faults on nickel-cadmium cells: 16 marks
Q2
2.1 Define the concepts in terms of protection: 20 marks
Q3
3.1 Explain the purpose of surge arrestors. (5) 17 marks
Q4
4.1 Draw a fully labelled sketch of the Bucholtz relay. (7) 16 marks
Q5
5.1 Name FOUR post-installation field checks to be carried out on MV and 13 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. Drawings should be large, neat and they may be done in pencil. Only use a black or blue pen. Work neatly. (8080126) -3-
Fault Finding and Protective Devices N6 April 2020 question papers and memos
April 2020
Fault Finding and Protective Devices N6 April 2020 question paper
100 marks · 3 hours · 4 pages · 6 questions
The memo for this paper is not available yet.
What is in this paper (6 questions)
Q1
1.1 Explain the term trickle charge as it relates to batteries. (2) 11 marks
Q2
2.1 Name EIGHT types of protection relays. (8) 24 marks
Q3
3.1 Name THREE tests done on metal-enclosed switchgear. (3) 13 marks
Q4
4.1 Explain howto carry out a crackle test to check if water is presenta i n 18 marks
Q5
5.1 Draw the wave shapes for an open circuit and a short circuit. (2) 13 marks
Q6
6.1 Give TWO ways to switch off an SCR. (2) 21 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used i n this question paper. Start each section on a new page. Use only a black or blue pen. Write neatly and legibly. (8080126) -3-
Fault Finding and Protective Devices N6 April 2019 question papers and memos
April 2019
Fault Finding and Protective Devices N6 April 2019 question paper
100 marks · 3 hours · 5 pages · 6 questions
The memo for this paper is not available yet.
What is in this paper (6 questions)
Q1
1.1 Copy the following table in the ANSWER BOOK and compare nickel-cadmium 18 marks
Q2
2.1 Draw and explain the operation of a simple electromagnetic relay. (9) 15 marks
Q3
3.1 Study the diagram below and answer the questions. 17 marks
Q4
4.1 State SIX requirements for transformers to operate in parallel. (6) 16 marks
Q5
5.1 State SIX causes of faults due to external damage to cables. (6) 21 marks
Q6
6.1 In digital trouble-shooting the basic essentials and procedures are very 13 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- T680(E)(A3)T
Fault Finding and Protective Devices N6 April 2018 question papers and memos
April 2018
Fault Finding and Protective Devices N6 April 2018 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Name 16 maintenance checks on a bank of lead/acid cells already in use. (8) 15 marks
Q2
2.1 Explain each of the following concerning protection schemes: 22 marks
Q3
3.1 Explain the purpose of surge arrestors. (5) 17 marks
Q4
4.1 Draw a fully labelled sketch of the Bucholtz relay. (7) 17 marks
Q5
5.1 State FIVE limitations of the Murray loop-test method compared to other 12 marks
Q6
6.1 Draw a fully labelled block diagram of a logic probe. (10) 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. Write neatly and legibly. (8080126) -3- T680(E)(M26)T
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Questions about these papers
Which years of Fault Finding and Protective Devices N6 April papers are on this page? Papers from 2021, 2020, 2019, 2018. The newest year is at the top.
How many marks is the Fault Finding and Protective Devices N6 April paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 2 of the 4 papers on this page have their marking memo next to the question paper.
