This is the N3 Plant Operation Theory written in the April 2018 exams. The paper counts 100 marks and learners had 3 hours to finish it. It has 5 questions covering compression, cooling, pumps and instrumentation, heat transfer and heat exchangers, chemistry and chemical processes, steam boilers and steam traps and combustion, fuels and thermal insulation. Below you can download the question paper, memo and memo (Afrikaans) as free PDFs, then mark your answers with the memo.
Download the April 2018 PDFs
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N3 Plant Operation Theory April 2018 Question Paper
Download the plant operation theory n3 april 2018 question paper PDF. A real April exam paper to practise with before your own tests.
Question PaperApril exam
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N3 Plant Operation Theory April 2018 Question Paper (version 2)
Download the plant operation theory n3 april 2018 question paper PDF. A real April exam paper to practise with before your own tests.
Question PaperApril exam
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N3 Plant Operation Theory April 2018 Question Paper (version 3)
N3 Plant Operation Theory question paper, April 2018. Download the PDF and practise under exam conditions, then use the matching memo.
Question PaperApril exam
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N3 Plant Operation Theory April 2018 Memo
Marking memo for the Plant Operation Theory N3 April exam 2018. Use this plant operation theory n3 april 2018 memo to mark your answers and see exactly where the marks go.
MemoApril exam
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N3 Plant Operation Theory April 2018 Memo (version 2)
Official memorandum (marking guideline) for N3 Plant Operation Theory April 2018. Free PDF download to check your work after writing the paper.
MemoApril exam
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N3 Plant Operation Theory April 2018 Memo (Afrikaans)
Download the plant operation theory n3 april 2018 memo PDF in Afrikaans. It gives the model answers and mark allocation for the April exam.
MemoApril examAfrikaans
What is in this paper
5 questions, 100 marks in total. Marks per question are taken from the paper itself.
- Q1 Chemistry And Chemical Processes 1.1 Explain why polybutadiene can be vulcanised but polyethylene cannot. 19 marks
- Q2 Combustion, Fuels And Thermal Insulation 2.1 Determine the theoretical quantity of air needed to complete combustion of 15 marks
- Q3 Steam Boilers And Steam Traps 3.1 Discuss TWO advantages of dry saturated steam above superheated steam. 19 marks
- Q4 Heat Transfer And Heat Exchangers 4.1 State the FOUR uses of shell and tube heat exchangers and briefly discuss 21 marks
- Q5 Compression, Cooling, Pumps And Instrumentation 5.1 State EIGHT characteristics that a refrigeration medium (refrigerant) must 26 marks
Marks per topic
- Compression, Cooling, Pumps And Instrumentation26 marks
- Heat Transfer And Heat Exchangers21 marks
- Chemistry And Chemical Processes19 marks
- Steam Boilers And Steam Traps19 marks
- Combustion, Fuels And Thermal Insulation15 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. (11040023) -5- T1310(E)(A5)T
More Plant Operation Theory N3 papers
Same exam, other years
- Plant Operation Theory N3 April 2021
- Plant Operation Theory N3 April 2020
- Plant Operation Theory N3 April 2019
Other 2018 papers
Questions about this paper
How many marks is the Plant Operation Theory N3 April 2018?
The paper is out of 100 marks and you get 3 hours to write it.
Is there a memo for the Plant Operation Theory N3 April 2018?
Yes. The marking memo is on this page as a free PDF download, next to the question paper.
Which topics carry the most marks in this paper?
Compression, cooling, pumps and instrumentation (26 marks), heat transfer and heat exchangers (21 marks) and chemistry and chemical processes (19 marks).