This page has every Chemical Plant Operation N4 April paper we have, from 2018 to 2021: 3 question papers and 2 memos in 5 PDFs. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Chemical Plant Operation N4 April papers by year
Chemical Plant Operation N4 April 2021 question papers and memos
April 2021
Chemical Plant Operation N4 April 2021 question paper
100 marks · 3 hours · 6 pages · 7 questions
What is in this paper (7 questions)
Q1
Give ONE term for each of the following descriptions by writing it next to the question 5 marks
Q2
Choose an item from COLUMN B that matches a description in COLUMN A. Write only 5 marks
Q3
3.1 Water hammer is a surge or wave that results when a fluid in motion is forced 20 marks
Q4
4.1 A toothed roll crusher operates by tearing the feed apart as well as crushing 20 marks
Q5
5.1 Draw a process flow diagram for producing hydrogen from propane. (11) 20 marks
Q6
6.1 Differentiate between purification and softening of water. (2 × 2) (4) 20 marks
Q7
7.1 Discuss corrosion resistance of copper alloys. (2) 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. Start each section on a new page. Use only blue or black pen. Write neatly and legibly. (8050015) -3-
Chemical Plant Operation N4 April 2019 question papers and memos
April 2019
Chemical Plant Operation 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
Indicate whether the following statements are TRUE or FALSE. Choose the answer 5 marks
Q2
2.1 Define each of the following: 20 marks
Q3
3.1 Name FOUR types of size reduction equipment. (4) 20 marks
Q4
4.1 Draw a labelled flow diagram for the manufacture of hydrogen through steam 20 marks
Q5
5.1 The hydrogen cation exchange process is one of the methods used to soften 20 marks
Q6
6.1 What will the effect of sea water be on each of the following materials? 15 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. (8050004) -3-
Chemical Plant Operation N4 April 2018 question papers and memos
April 2018
Chemical Plant Operation N4 April 2018 question paper
100 marks · 3 hours · 5 pages · 7 questions
What is in this paper (7 questions)
Q1
Indicate whether the following statements are TRUE or FALSE. Choose the answer 5 marks
Q2
Choose a word or term from COLUMN B that matches a description in COLUMN A. 5 marks
Q3
3.1 If a fluid is flowing at a rate of 250 m /min through a pipe having an inside 20 marks
Q4
4.1 Name FOUR types of intermediate and fine grinders. (4) 20 marks
Q5
5.1 State THREE commercial processes for the manufacturing of carbon dioxide. (3) 20 marks
Q6
6.1 Copper and its alloys are widely used in chemical processing where heat and 15 marks
Q7
7.1 Hard water may cause scaling in pipes and also make it more difficult for soap 15 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. (8050004) -3- T310(E)(A9)T
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Questions about these papers
Which years of Chemical Plant Operation N4 April papers are on this page? Papers from 2021, 2019, 2018. The newest year is at the top.
How many marks is the Chemical Plant Operation 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.
