This page has every Fault Finding and Protective Devices N4 April paper we have, from 2019 to 2021: 3 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 N4 April papers by year
Fault Finding and Protective Devices N4 April 2021 question papers and memos
April 2021
Fault Finding and Protective Devices N4 April 2021 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Answer the following questions with regard to the nine-point plan: 25 marks
Q2
2.1 Make a sketch of an automatic star-delta motor starter for a three-phase 19 marks
Q3
3.1 Complete the following sentences by writing only the missing word next to the 16 marks
Q4
4.1 Which type of current flows in the core of a coil and what does it cause? (2) 11 marks
Q5
5.1 Draw an SCR switching circuit where an SCR is used to control the power 11 marks
Q6
6.1 Simplify the expression: 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. Sketches must be large, neat and clear and may be done in pencil. Use only a black or blue pen. Write neatly and legibly. (8080104) -3-
Fault Finding and Protective Devices N4 April 2020 question papers and memos
April 2020
Fault Finding and Protective Devices N4 April 2020 question paper
100 marks · 3 hours · 4 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Explain the term preventative maintenance. (4) 16 marks
Q2
2.1 Make a neat, fully labelled drawing of the operation of a direc-ton-line starter 13 marks
Q3
3.1 Explain the operation of the voltage tester. (5) 19 marks
Q4
4.1 Draw a full-wave bridge rectifier circuit, showing the input and output wav- e 23 marks
Q5
5.1 How will you know if the circuit of a Wheatstone bridge is balanced or not? (2) 15 marks
Q6
6.1 What can be derived from the following: (A + B) (A + C). (5) 14 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. All sketches must be large, neat and fully labelled. Write neatly and legibly. (8080104) -3-
Fault Finding and Protective Devices N4 April 2019 question papers and memos
April 2019
Fault Finding and Protective Devices N4 April 2019 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 Answer the following questions with reference to the nine-point plan in aid of 15 marks
Q2
2.1 Draw an automatic star-delta motor starter for a three-phase induction motor. (7) 23 marks
Q3
3.1 Explain the operation of the voltage tester. (5) 21 marks
Q4
4.1 What will happen when voltages are applied simultaneously to the X and 15 marks
Q5
5.1 Show by means of a diagram what method is used to compensate the Zener 10 marks
Q6
6.1 Draw the symbol of an OR gate. (1) 16 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-
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Questions about these papers
Which years of Fault Finding and Protective Devices N4 April papers are on this page? Papers from 2021, 2020, 2019. The newest year is at the top.
How many marks is the Fault Finding and Protective Devices N4 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 3 papers on this page have their marking memo next to the question paper.
