Pulp And Making Technology NCV Level 2 — Memo

November 2023 — NCV Level 2 — Pulp And Making Technology

NCV Level 2 2023 NCV Engineering

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Q1— Section header —

1.66

Q2— Section header —

2.66

Q3— Section header —

3.9True True True True False False True False True

Q4— Section header —

4.1Uncontaminated waste from converting plants or (C\ Brown paper or (A\ Nature of any printing, lamination and gluing that the paper underwent

4.3.1This tends to be dense and heavier producing a greater amount of pulp which is dark in colour

4.3.2

4.4.1To hold the paper between two steel plates at a prescribed pressure (2\

4.4.2The pressure exerted by the platen will cause the sheet to compress (2\

4.4.3Micrometres (1\

4.4.4Amount of pressing Calendaring and refining Type of f ibre used Sheet moisture Stones

Q5— Section header —

5.1Storage area must be kept free of weeds and debris The ground should be surfaced with gravel, crushed rocks, blacktop or concrete (3\

5.2Ritter liquor preservation process (1\

5.3Secondary fibre that has been compressed into squares even when collection is discontinued (2\

5.6Wood yard Steam generation Pulping Kraft pulp Bleached pulp Refining Cleaning Wet end operations

Q6— Section header —

6.1Cooking liquor chemicals used during chemical pulping to digest the wood in order to make pulp available for paper production reen liquor is the product obtained when the smelt from the recovery boilers

6.2Neutral Sulphite Semi hemical (2\

6.3Formation of strong black liquor (SBL\ through concentration of weak black liquor (WBL\ in multi effect evaporators SBL is further concentrated to form heavy black liquor (HBL\ Combustion of concentrated spent liquor in recovery furnace

6.4Machine chest Silo Fan pumps Basis mass valve Vacuum pumps Air removal system Multistage cleaning systems Pressure screens Flow spreaders

6.5To maintain a clean surface and/ To prevent the build up of deposits that could drop off and cause a break age

6.6More pinholes Grainy formation Lower internal bond Pressure pulsations are translated into basis weight variations Higher head box consistencies

6.7The compression of paper in the in going part of the nip is resiste d by pressure in the structure. Fluid flows through paper and felt then re wets the expanding unsaturated area in the outgoing part of the nip thereby transferring water from

Q7— Section header —

7.1Embossing Supercalendering Laminating

7.2For lamination of packaging materials like aluminium foil (2\

7.3Wet lamination uses aqueous adhesives where one or more substrates must be porous to allow water to evaporate through the substrate while dry lamination allows the combination of adhesives of two non porous substrates

Topics Identified

Business Functions

Mark Allocation

Sections6 + 6 + 18 + 20 + 20 + 20 + 10 = 100 marks

Paper information

TitleMemo

SubjectPulp And Making Technology

LevelNCV Level 2

Document typeNCV Engineering

Year2023

MonthNovember

Pages5

Downloads3

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,076

About Pulp And Making 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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