Roads NCV Level 3 — Document

November 2019 — NCV Level 3 — Roads

NCV Level 3 2019 NCV Engineering

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Q1— Section header —

1.1Most of the roads in SA are finishe d off with asphalt to make the traffic flow easier. List THREE different types of materials used to compose asphalt. (3\

1.2The l eveling course is made up by one or more layers of asphalt with a minimum thickness specified by an engineer and can be applied to the road that is being resurfaced. State THREE functions of the

1.3A c ulvert is a pipe used to direct water away from the road. List FOUR other uses of culvert under the carriageway. (4\

1.4Define the following concepts:

1.4.1Carriageway

1.4.2Grade line

1.4.3Haul distance

1.4.4Road prism

1.4.5Borrow material (5 2\ (10 [20]20

Q2— Section header —

2.1Every road must be surfaced because gr avel road cannot handle excessive load in very wet weather condition

2.2Give FIVE steps to be followed when preparing the base for prim ing (5\

2.3List THREE type of asphalt used on the r oad. (3\

2.4Why is an asphalt paver fitted with automatic electronic screed control? (1\

2.5State THREE materials used to make a double seal. (3\ [15] 1203036315

Q3— Section header —

3.1List THREE different types of road furniture found on the road side. (3\

3.2Name FIVE specific conditions for installing guardrail on the road. (5\

3.3What are the TWO components of guardrails? (2\ [10]10

Q4— Section header —

4.1What is the differen ce between the horizontal cur ve and vertical curve

4.2Name THREE types of horizontal curve and indicate their differences. (6\

4.3Give THREE types of sight distance. (3\

4.4What are the THREE main stages of setting up theodolite? (3\

4.5A t heodolite is an instrument used to measure angle State SIX procedures to be taken when using theodolite to measure the horizontal angle.

4.6Name FIVE different parts of theodolite. (5\ [25]25

Q5— Section header —

5.1List FIVE different t ypes of rollers used to compact the soil during road construction. (5\

5.2Name the plant used to compact the following types of soil and state ONE reason for compacting it:

5.2.1Salty sand and clay

5.2.2Granular material

5.2.3Crush ed stone (3 (6\

5.3Give ONE characteristic of the following types of soil when it is dry

5.3.1Cohesive soil

5.3.2Non cohesive soil (2 1\ (2\ 12030363

5.4List FIVE different types of materials needed when you perform an AASH test. (5\

5.5What is the other name of AAS O? (1\

5.6What are the TWO things that the modified AAS O do on the soil? (2\

5.7Write the following abbreviation in full:

5.7.1MC

5.7.2OMC

5.7.3RD

5.7.4AASHT

5.7.5CBR (5 1\ (5\

5.8What is the relationship between maximum dry density and optimum moisture content? (4\ [30] TOTAL: 10030

Mark Allocation

Total100 marks

Sections20 + 15 + 10 + 25 + 30 = 100 marks

Paper information

TitleDocument

SubjectRoads

LevelNCV Level 3

Document typeQuestion paper

Year2019

MonthNovember

Pages5

Downloads3

Examination context

Decade2010s

Years ago7y

SeasonSpring (SH)

Start dayFriday

Exam periodNovember 2019

Days since exam2,535

About Roads examination preparation

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How to use this resource for revision

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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

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working under time constraints

checking answers

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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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