Plant Operation Theory N2 — Document

April 2018 — N2 — Plant Operation Theory

N2 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 5 pages 📝 39 items found

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Q1— Section header —

1.1Indicate whether the following statements are TRUE or FALSE. Write only true or false

1.1.5\in the ANSWER BOOK.

1.1.1Electrovalent refers to the sharing of the electrons

1.1.2Group 1 elements on the periodic table are alkali metals

1.1.3The orbitals can accommodate 6 electrons

1.1.4NH s lighter than air

1.1.5Helium refers to a noble gas (5 1\ (5\

1.2Give the symbol and valency number of each of the following elements:

1.2.1Aluminium

1.2.2Argon (2 2\ (4\

1.3Define or explain each of the following

1.3.1Isomers

1.3.2Di olefines (2 2\ (4\

1.4Lis t SIX uses of arbon monoxide ( CO\ 6\

1.5With the aid of the appropriate chemical reaction, explain a method for the preparation of hydrogen by means of an acid (6 [25

Q2— Section header —

2.1Define or explain each of the following

2.1.1Pascal law also state its application 3\

2.1.2One joule 2\

2.1.3Internal energy 2\

2.2Name TWO types of flow pattern in pipeline 2\

2.3Explain the method that is used to determine the viscosity of a fluid and name the TWO units in which it is measured (5

2.4In a n open vertical tube attached to the water main, water is shown to height of 1 62 m. Calculate the total pressure of the water in

2.5A pump delivers fluid with a density of 998 kg /m into the bottom of an open container. The maximum height is 15 m above the pump. The depth/height of the container is 3

2.6Water flows at 15 /min in a pipe with a diameter of 190 mm. Calculate the flow of velocity of the water in m/s. Given:

Q3— Section header —

3.1Explain the reflux process in a distillation tower (4

3.2Explain the influence of pressure and temperature on condensation and on evaporation (4

3.3Study the sketch of the tower in FIGURE 1 below and answer the questions FIGURE 1

3.3.1What is the name of the tower in FIGURE 1 above? 1\

3.3.2Label the parts marked in FIGURE 1 above. Write only the answer next to the letter (A

3.4State FOUR possible problems that can be encountered when operating a fractionation tower (4 [25

Q4— Section header —

4.1State the advantage and the disadvantage of V enturi tubes

4.2Make a neat, labelled s ketch of a float level indicator controller used for a closed container 7\

4.3Study the sketch of the Bourdon tube in FIGURE 2 below and

4.3.1Label the parts marked A H in FIGURE 2 above. Write only t he answer next to the letter (A H\ in the ANSWER BOOK. (8 1\ (8\

4.3.2Name THREE pressure type thermometer used in the Bourdon tube

Mark Allocation

Total100 marks

Sections25 = 25 marks

Paper information

TitleDocument

SubjectPlant Operation Theory

LevelN2

Document typeQuestion paper

Year2018

MonthApril

Pages7

Downloads2

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,116

About Plant Operation Theory examination preparation

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