This page has every Plumbing Theory N1 April paper we have, from 2015 to 2021: 5 question papers and 4 memos in 9 PDFs. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Plumbing Theory N1 April papers by year
Topics that come up most in Plumbing Theory N1 April
Counted from the questions in the papers on this page: how many papers each topic appears in, and its average marks.
Topic Papers Average marks
Drainage 4 19 Cold-Water Supply 4 19 Hot-Water Supply 4 12 Metals and Materials 4 8 Soldering and Welding 4 8 Calculations 4 7 Safety and Housekeeping 4 5 Tools and Machines 3 10 Sheet Metalwork 2 12 Sheet-Metal Work 1 12
Plumbing Theory N1 April 2021 question papers and memos
April 2021
Plumbing Theory N1 April 2021 question paper
100 marks · 3 hours · 7 pages · 9 questions
What is in this paper (9 questions)
Q1
Safety and Housekeeping 1.1 Explain the safe use of ladders with regard to: 5 marks
Q2
Tools and Machinery Identify each of the following hand tools and give ONE use of each: 10 marks
Q3
Metals and Materials 3.1 Define the term coefficient of expansion. (2) 8 marks
Q4
Soldering and Welding 4.1 Explain how to test for a good solder. (4) 8 marks
Q5
Cold-Water Supply 5.1 List FOUR sources of water. (4) 18 marks
Q6
Hot-Water Supply 6.1 Name and explain the THREE principles of heat transfer that apply to 12 marks
Q7
Drainage 7.1 Explain each of the following terms as it applies to plumbing: 20 marks
Q8
Sheet Metalwork 8.1 Identify each of the following sheet-metal joints: 12 marks
Q9
Calculations A mild-steel sheet has a length of 4 m and a width of 3 m. 7 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. Use only a black or blue pen. Write neatly and legibly. (11022041) -3-
Plumbing Theory N1 April 2020 question papers and memos
April 2020
Plumbing Theory N1 April 2020 question paper
100 marks · 3 hours · 6 pages · 9 questions
What is in this paper (9 questions)
Q1
Safety and Housekeeping 1.1 Describe the aims of the Occupational Health and Safety Act. (3) 5 marks
Q2
Tools and Machines 2.1 Name of the tool used for each of the following: 10 marks
Q3
Metals and Materials 3.1 Copper is a very important metal used in the plumbing industry. 8 marks
Q4
Soldering and Welding Explain the following processes: 8 marks
Q5
Cold-Water Supply 5.1 Name each of the copper capillary fittings shown below by writing only the 18 marks
Q6
Hot-Water Supply 6.1 Give the pressure ratings for geyser pressure relief valves with the following 12 marks
Q7
Drainage 7.1 Make a sketch of a vertical section through a double-trap siphon water-closet 20 marks
Q8
Sheet Metalwork The drawing below shows a truncated right cone. 12 marks
Q9
Calculations A cylindrical tank with a diameter of 2 m has a height of 2,6 m. 7 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. Use only a black or blue pen. 2 Assume that acceleration due to gravity is g = 9,81 m/s . Write neatly and legibly. (11022041) -3-
Plumbing Theory N1 April 2019 question papers and memos
April 2019
Plumbing Theory N1 April 2019 question paper
100 marks · 3 hours · 5 pages · 9 questions
The memo for this paper is not available yet.
What is in this paper (9 questions)
Q1
Safety and Housekeeping 1.1 State THREE safety precautions when ascending or descending a ladder. (3) 5 marks
Q2
Tools and Machines 2.1 Give the uses of each of the following tools: 10 marks
Q3
Metals and Materials 3.1 Define each of the following properties of metals: 8 marks
Q4
Soldering and Welding 4.1 Make clear, labelled drawings of each of the following: 8 marks
Q5
Cold-Water Supply 5.1 State the minimum and maximum depth of underground-water service mains. (2) 17 marks
Q6
Hot-Water Supply 6.1 Give FOUR advantages of a push-through geyser. (4) 12 marks
Q7
Drainage 7.1 Name THREE types of water seal traps commonly used in plumbing. (3) 20 marks
Q8
Sheet-Metal Work Draw a reasonable, labelled sketch to show how to fix a parapet box gutter on a 12 marks
Q9
Calculations A mild-steel sheet has a length of 3 metres and a width of 2,5 metres. 8 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. (11022041) -3-
Plumbing Theory N1 April 2018 question papers and memos
April 2018
Plumbing Theory N1 April 2018 question paper
100 marks · 3 hours · 5 pages · 9 questions
What is in this paper (9 questions)
Q1
Safety and Housekeeping 1.1 State THREE major points to remember when lifting heavy objects. (3) 5 marks
Q2
Tools and Machines 2.1 State FIVE safety measures when a grinding wheel is mounted (fitted) on a 10 marks
Q3
Metals and Materials 3.1 Define the properties of the following: 8 marks
Q4
Soldering and Welding 4.1 Name FOUR different types of solder used by plumbers. (4) 9 marks
Q5
Cold-Water Supply 5.1 Name the components indicated on the sketch of a stopcock shown in 21 marks
Q6
Hot-Water Supply 6.1 Describe the working principles of a push-through hot-water geyser. (5) 12 marks
Q7
Drainage 7.1 Make a neat, labelled, longitudinal sectional drawing of a manhole ramp. (10) 16 marks
Q8
Sheet Metal Work 8.1 Describe, with the aid of neat sketches, the steps to follow when making a 12 marks
Q9
Calculations A cold-water supply tank is fitted with a 50 mm diameter full-way valve 4 m below the 7 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. Use 9,81 for gravitational acceleration. Write neatly and legibly. (11022041) -3- T1370(E)(A5)T
Plumbing Theory N1 April 2015 question papers and memos
April 2015
Plumbing Theory N1 April 2015 question paper
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Questions about these papers
Which years of Plumbing Theory N1 April papers are on this page? Papers from 2021, 2020, 2019, 2018, 2015. The newest year is at the top.
How many marks is the Plumbing Theory N1 April paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 4 of the 5 papers on this page have their marking memo next to the question paper.
Which topics come up most in these papers? Drainage, cold-water supply and hot-water supply, based on 4 papers on this page.
