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Q1— Section header —
1.1Thermal resistance
1.2Heterogeneous behaviour
1.3Impact resistance
1.4Porosity
1.510
Q2— Section header —
2.1Indicate whether the following statements are TRUE or FALSE by writing only 'True' or 'F alse' next to the question number (2.1.1
2.1.3\in the ANSWER BOOK.
2.1.1The Big Bang Theory suggests that all matter was once only a tiny particle, and that at one point in time it exploded with an immense force and release more particles.
2.1.2Inner core is the molten rock found beneath the surface of the earth.
2.1.3
2.2Name and describe TWO layers of the earth. (4\
2.3What is geological process of soil formation? (3\ [10]10
Q3— Section header —
3.1Name FOUR types of soil. (4\
3.2Name FOUR materials that are used in traditional building techniques. (4\
3.3List TWO problematic founding materials commonly found in South Africa. (2\ [10] 1201006210
Q4— Section header —
4.1Name THREE ways to prevent moisture induced expansion. (3\
4.2Name THREE different brick manufacturing processes. (3\
4.3Explain the term brickwork deterioration (3\
4.4any different types of bonding techniques exist . Name the bonding techniques used in construction industry shown below.
4.4.3(3 1\ (3\
4.5Give TWO methods that can be used to remove vanadium stains. (2\ 4. What is a cavity wall? (1\ [15] 1201006215
Q5— Section header —
5.1Choose a term from COLUMN B that matches a description in COLUMN A. Write only the letter (A L\next to the question number (5.1.1
5.1.10\in the ANSWER BOOK. COLUMN A COLUMN B
5.1.10The lower part of a foundation of a column, wall, building The process where mortar is used to cover surfaces like walls, floors and ceilings Any material that is added to cement to make more cement mix
5.2Explain briefly why concrete is chosen as a common building material. (2\
5.3
5.4Name THREE different types of compacting techniques. (3\
5.5Name FOUR ways of storing admixtures that are used in the making of concrete. (4\
5.6Why are steel bars inserted encased in concrete in most cases? (2\ [25] 1201006225
Q6— Section header —
6.1Name THREE basic ingredients of mortar. (3\
6.2Discuss the process of mixing mortar. (5\
6.3Name TWO primary functions of mortar. (2\ [10]10
Q7— Section header —
7.1Define the term curing compounds (2\
7.2Name TWO advantages for mixing and consuming only small batches o plaster. (2\
7.3Explain the formation of plastic shrinkage cracks in plaster and recommend precautions to combat these cracks. (3\
7.4List THREE methods of bonding plaster to a concrete soffit. (3\ [10]10
Q8— Section header —
8.1Complete the following statements by filling in the missing words . Write only the answer next to the question number (8.1.1
8.1.6\n the ANSWER BOOK.
8.1.1A 50 mm thick layer laid on top of an existing base
8.1.3Bond failure is when the screed or topping does not ... to the base layer
8.1.4A device that removes concrete by pecking at it at high speed is called ...
8.1.6
8.2Describe screeds and toppings and the function of each. (2 2\ (4\ [10] TOTAL: 10010