Process Technology NCV Level 3 — Document

February 2020 — NCV Level 3 — Process Technology

NCV Level 3 2020 NCV Engineering

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Q1— Section header —

1.5\in the ANSWER BOOK.

1.1function of impellers: Air movement Rapid dispersion Solid susp

1.2The rotation of a vortex attrition bubbles

1.3Which ONE of the following does not form part of a basic flow pattern Axial Radial

1.4ot flu id inside heat exchangers enters through the

1.5cause problems with some fans. push the air across the fin tube surface. push the air across the bu

Q2— Section header —

2.5\n the ANSWER BOOK.

2.1The molar mass of an ele ment can be found on the periodic table

2.2When the volume is in litre , the concentration is called density

2.3A channel is a path that fluid in a heat exchanger is directed through

2.4An exothermic reaction is a reaction where energy is absorbed

2.55

Q3— Section header —

3.5\the ANSWER BOOK.

3.1The purifies water for industrial and household uses

3.2is/ are formed during the coagulation and flocculation process es and then removed from the water.

3.3A/ gas is also called noble gas.

3.4The movement of molecules from a region of high concentration to a region of low

3.55

Q4— Section header —

4.1Define the term batch mixing (2

4.2Explain the operation of solid removal equipment. (6\

4.3Give the FIVE steps to follow when collecting cream samples of viscous liquids. (5\

4.4Name TWO other pieces of manual sampling equipment. (2\

4.5List FOUR types of burne rs. (4\

4.6

4.7What do es the acronym LPG stand for? (1\ [30]30

Q5— Section header —

5.1Name THREE types of cooling towers (3\

5.2xplain the operati on of an open cycle cooling tower. (5\

5.3Name FIVE problems that can occur in cooling towers. (5\

5.4Give FIVE types of tools required when dismantling a cooling tower (5\

5.5Define the term combustion (2\

5.6State FOUR purpose s of drying. (4\

5.730

Q6— Section header —

6.1List THREE material that heated drums are made of. (3\

6.2Expl ain the basic working principle of drum dryers. (10\

6.3

6.425

Mark Allocation

Total100 marks

Sections5 + 5 + 5 + 30 + 30 + 25 = 100 marks

Paper information

TitleDocument

SubjectProcess Technology

LevelNCV Level 3

Document typeQuestion paper

Year2020

MonthFebruary

Pages5

Downloads2

Examination context

Decade2020s

Years ago6y

SeasonSummer (SH)

Start daySaturday

Exam periodFebruary 2020

Days since exam2,442

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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File size195.9 KB

Pages5

Archived on8 September 2026

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