Process Technology NCV Level 2 — Document

February 2018 — NCV Level 2 — Process Technology

NCV Level 2 2018 NCV Engineering

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🎯 10 marks ⏱️ 3h 📄 4 pages 📝 40 items found 🔑 1 key info

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Q1— Section header —

1.5\in the ANSWER BOOK. Correct the statement if it is FALSE.

1.1One of the ways to present pipe routing in a process plant is by using colour coding.

1.2Epoxy powder is used for pipe coating against thermal insulation

1.3Friction is the resistance to the start of motion in a valve.

1.4Casing is a rotating component of a pump.

1.510

Q2— Section header —

2.1What is the purpose of line breaking on the process flow diagram? (2\

2.2Explain the function of a process controller in a plant. (2\

2.3Draw each of the following eq uipment symbols:

2.3.1Rotary pump

2.3.2

2.4Differentiate between reducers and enlargers (2 + 2\ (4\

2.5What is the function of pipeline supports? (2\

2.6Explain the anaerobic treatment of solids in a wate r treatment plant. (6\

2.7List FOUR basic components of vibrating screens. (4\ [24] (6050342\ NC2500 (E\24

Q3— Section header —

3.1List FIVE applications of diaphragm pumps. (5\

3.2Describe ways of inspecting and finding faults in pumps. (8\

3.3Explain the ca uses of excessive vibrations in pumps. (3\

3.4Define a blow tank. (2\ [18]18

Q4— Section header —

4.1Give FOUR disadvantages of drums. (4\

4.2Write brief notes on dip tape. (5\

4.3Name FOUR containers for storing bulk solid materials. 4\

4.4Explain how permeability of a material is determined. 2\

4.5Give THREE typical examples of materials stored in reclamation piles. (3\ [18]18

Q5— Section header —

5.1List EIGHT components of a filter press. (8\

5.2Explain the function o each of the following in cyclones:

5.2.1Junk traps

5.2.2Dip leg purges

5.2.3

5.3Explain each of the stock properties below as they are used in determining the separation efficiency of cyclones

5.3.1 Stock viscosity

5.3.2

5.4Explain the only way of producing crystals in a solution. (2\

5.5List SIX components of Swenson Walker adiabatic cooling crystalliser. (6\

5.6Define the term concentration (2\ [30] TOTAL: 10030

Mark Allocation

Total100 marks

Sections10 + 24 + 18 + 18 + 30 = 100 marks

Key Information

APS Score5 points

Paper information

TitleDocument

SubjectProcess Technology

LevelNCV Level 2

Document typeQuestion paper

Year2018

MonthFebruary

Pages4

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonSummer (SH)

Start dayThursday

Exam periodFebruary 2018

Days since exam3,172

About Process Technology examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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