Process Technology NCV Level 4 — Document P1

November 2018 — NCV Level 4 — Process Technology

NCV Level 4 2018 NCV Engineering

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🎯 100 marks ⏱️ 3h 📄 5 pages 📝 37 items found

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Q1— Section header —

1.1What is the other name that a rising film evaporator is also known as (2\

1.2Name the TWO very important components that the agitated film evaporator consists of. (2\

1.3Name TWO applications of a flash evaporator. (2\

1.4What are the TWO advantages of using jacketed vessels in evaporator ystems (2\

1.5Describe the operation of a tray type condenser. (5\

1.6The setup of indirect condensers is almost exactly the same as that of the heat exchanger that is used in evaporation process es

1.7Leakages can occur in all types of condensers.

1.7.1Define the term leakage. (2\

1.7.2How can these leakages be prevented from damaging the condensers? (4\

1.8Explain the function of each of the following components in a distillation process

1.8.1Reboiler (2\

1.8.2Distillation column (2\

1.9Strippers and coolers are some of the absorption equipment used in industries. Give a brief description of these strippers and coolers (5\ [30] 605036430

Q2— Section header —

2.1State the main advantage of using composites in the material construction processes (2\

2.2Differentiate between electrical conduction and resistivity of a material. (4\

2.3Casting is another metalworking process by which molten metal is poured into closed dies and then left to cool down and solidify. Name TWO applications where the casting process is used

2.4Name TWO different types of adhesive fasteners. (2\ [10]10

Q3— Section header —

3.1Energy within a system can be in the form of internal , kinetic and potential energy. Name THREE methods / forms in which energy can be introduced into a system.

3.2Enthalpy is obtained from the thermodynamic tables based on the substance temperature, pressure and phase. Write down the equation that is used to calculate enthalpy and also give the

3.3Convert 444 C to F. (4\

3.4Name the components of heat loss that occurs in a horizontal tube heat exchanger. (6\

3.5cylindrical shaped container filled with water and having a heating coil inside, heats the water to its boiling point of 100

3.6Heat is defined as the process of the transfer of energy between two systems. Heat losses arise in this process. Explain wh heat is

Q4— Section header —

4.1Define the following terms and give their SI units:

4.1.1Volume (2\

4.1.2Density (3\

4.1.3Weight (3\

4.2Calculate the volume of a cube with a height of 3 The cube has a spherical hole in the middle with a radius of 4 m.

4.3What will be the weight of an object with a mass of 2,4 kg? (3\

4.4Calcul ate the molar concentration of c arbon dioxide (CO \in a 0,8 sample of air if the

4.5Complete and balance the following reactions

4.5.1+ H (2\

4.5.2CaCO 3(s\ HCl (aq\ (3\ [30] TOTAL:30

Mark Allocation

Total100 marks

Sections30 + 10 + 30 + 30 = 100 marks

Paper information

TitleDocument

SubjectProcess Technology

LevelNCV Level 4

Document typeQuestion paper

Year2018

MonthNovember

Pages6

Downloads2

Examination context

Decade2010s

Years ago8y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2018

Days since exam2,899

About Process Technology examination preparation

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