grade 10besteducation.co.za/resources/english/grade-10/exam-… · · 2016-06-04grade 10 . civil...

Civil Technology GR 10 1 Junie 2015

MPUMALANGA PROVINCIALGOVERNMENT

DEPARTEMENT OF EDUCATION MARKS: 150 TIME: 3 hours This question paper consists of 11 pages and 5 answer sheets.

CIVIL TECHNOLOGY

JUNE 2015

GRADE 10


REQUIREMENTS: Answer book Answer sheets Drawing instruments (learners to provide their own) Non-programmable calculators (learners to provide their own) INSTRUCTIONS AND INFORMATION 1.

2.

3.

4.

5.

6.

7.

8.

9.

ALL the questions are COMPULSORY.

Start each question on a NEW page.

Answer each question, as a whole do NOT separate sub-questions.

Sketches may be used to illustrate your answers.

ALL calculations and written answers must be done in the ANSWER BOOK.

Drawings and sketches must be fully dimensioned and neatly

finished off with titles and labels to conform to the SANS (SABS)

Recommended Practice for Building Drawings.

For the purpose of this examination, the size of a brick should be taken as 220 mm x 110 mm x 75 mm.

Use your own judgment where dimensions and/or details have been omitted.

ANSWER QUESTION 3.6,3,7,3.8,3.10,4.1 and 4.3 on ANSWERSHEETS provided


QUESTION 1: SAFETY, MATERIAL, EQUIPMENT AND CONSTRUCTION 1.1 Choose a description from COLUMN B that matches the term in

COLUMN A. Write only the letter (A–J) next to the question number (1.1.1–1.1.10) in your ANSWER BOOK, for example 1.1.10 J.

(10) 1.2 The storeroom on a building site must be erected to certain specifications. Describe

KOLOM A KOLOM B

1.1.1 Brick pallets

1.1.2 Pipes

1.1.3 Flammable materials

1.1.4 Bags of cement

1.1.5 Machines

1.1.6 SA pine

1.1.7 Gypsum board

1.1.8 Chip board

1.1.9 claw hammer

1.1.10 Unsafe acts

A May not be stored in direct sunlight

B Available in different colours and structures.

C Stacks may not be higher than 2.1 meter

D Used to make adjustment on machine parts

E may not be stored more than 10 bags high

F may not be stacked more than 1.5 meter high

G must have a safety shield

H used for ceilings

I Used for constructing roof trusses

J Used for inserting and extracting nails


THREE specifications when flammable materials are stored. (3)

1.3 Which safety gear will you wear when working with the concrete mixer? (2)

1.4 When working with power tools there are safety regulations that you must adhere to. Name FOUR regulations. (4)

1.5 FIGURE A, B en C are masonary equipment that is used in the building industry.Give the name of the equipment and ONE use of each.

(6)

1.6 On a building site you must determine if a wall is level. The following equipment are issued to you, 2 meter transparent pipe, steel wire and two wood pegs. Describe how you will make a level out of the equipment and name your level.

(3)

1.7 Marks are left on a concrete floor by the straightedge. Name the process to get a smooth area on a concrete floor. (1)

1.8 Give the name of the equipment that will be used to compact lose ground and hard core filling. (1)

[30]

QUESTION 2:SAFETY, MATERIAL, EQUIPMENT AND CONSTRUCTION.

2.1 Certain options are given as answers for the following questions. Choose the answer

And write only the letter (A-J) next to the question number(2.1.1-2.1.10) in your

ANSWERBOOK example 2.1.6 B

(10)

A

B

C


2.1.1 ... is not a ferrous metal. A mild steel B Stainless steel C Tin D Cast-iron (1) 2.1.2 Which ONE of the following hand tools will you use to draw parallel lines/marks on wood? A Sliding bevel B Chisel C Square D marking gauge (1) 2.1.3 a ... is used to break up concrete floors A Portable vibrator B Jackhammer C Concrete mixer D Plate compactor (1) 2.1.4 ................. is important when ordering ready mix concrete. A Workers B Total volume ordered C materials D mixing area (1) 2.1.5 Which ONE of the following is not a life threatening symptom? A Unconscious B Not breathing C Shock D Bleeding (1)

2.1.6 What is the consequences when curing is not done correctly... A High strength concrete B Smooth concrete C Concrete with cracks D Low porous concrete (1) 2.1.7 ‘a ... is used to remove unwanted wood. A Chisel B File C Brick bolster D Cold chisel (1) 2.1.8 Floating can not be done with a………. A Straight edge B Power trowel C Dumpy level D Steel plastering trowel (1)


2.1.9 Concrete’s mixing time depends on the……of the mixture.. A aggregate B material C consistency D slump (1)

2.1.10 Termo-hardened plastic is a type of that cannot be used again or formed again. A

product that……. A sewer pipes B Baths C melamine veneer D Perspex (1)

2.2. The photos below shows THREE products that are made out of steel.

2.2.1 Name each type. (2)

2.2.2 Give ONE use of each. (1)

2.3 TWO tests are carried out on concrete. Use the figure below and answer the questions that follows.

A B C


2.3.1 Name this type concrete test. (1)

2.3.2 Where will you use this test? (1)

2.3.3 Name the test at A,B and C. (3)

2.3.4 Name the other test that can done on concrete and a reason for this test. (2)

2.4. Name TWO types of screeds and describe the difference between them. (4)

2.5 Complete the table below. Only write the correct answer number and question number in your answer book example.2.5.1 answer.

(5)

2.6 What does the 2 stand for in the mixing ratio of 1:2:3? (1)

[30]

Mixture strengths

Mixture with

19mm

stone

Mixture with

13,2mm

stone

USE

2.5.1 .........

1 : 3½ : 3½

1 : 3½ : 2½

Soot able 2.5.2 ......... houses.

Medium strengths

(25Mpa)

1 : 2½ : 2½

2.5.3 .........

Soot able 2.5.4 ............. floors.

High strengths

(35Mpa)

2.5.6..........

1 : 2 : 1½

Soot able for workshops floors.


VRAAG 3 TOEGEPASTE MEGANIKA 3.1 Complete the following table ex.3.1.5 m

(5)

3.2 Show by means of calculations how 50kg will be describe in newton. (2) 3.3 Write 17m in mm. . (1) 3.4 14 000 P is ... kPa. (1) 3.5 Differenciate between mass and weight on their units. (2) 3.6 Use ANSWERSHEET 3.6 to answer the following question: 3.6.1 Determine graphically the direction and magnitude of the resultant of TWO forces working in on point A by drawing a parallelogram of forces. Use the scale of 1N=1mm. (5) FIGUUR 3.6

DISCRIPTION OF UNIT SYMBOL NAME OF UNIT

Lenght m meter

Mass

kg 3.1.1 ...

Area 3.1.2 ... Square meter

Force/weight N 3.1.3 ...

Strain/Pressuredruk 3.1.4 ... Kilopascal

Lenght 3.1.5... millimeter

80 N

30º

A 110 N


3.6.2 What is the meaning of the word resultant in your calculations above? (1) 3.7 Use ANSWERSHEET 3.7 to answer this question: 3.7.1 Determine graphically the direction and magnitude of the resultant of TWO forces working in on point P by drawing a parallelogram of forces. Use the scale of 10N=1mm. Gebruik ‘n skaal van 10N=1mm. FIGUUR 3.7 (7) 3.7.2 Describe what the equilibrium force in QUESTION 3.7. (1) 3.8 FIGUUR 3.8 shows a weight of 800N hanging from a framework.. 3.8.1 Use ANSWERSHEET 3.8 and determine graphically the magnitude and direction of the forces in the TWO parts BC and CA by using a triangle of forces.Draw the space and vector diagram using the following scale: Scale: Spacediagram: 1m=10mm Vectordiagram: 10N = 1mm

600N

60º

P 800N

30º

C

6m A

B

800N


FIGURE 3.8 3.9 FIGUUR 3.9 shows a beam with TWO point loads: FIGUUR 3.9

3.9.1 Determine the forces at LR and RR. (4)

3.9.2 How will the force change at LR if the 80N moved left? (1)

3.10 FIGURE 3.10 shows the space diagram:

FIGURE 3.10

3.10.1 Use ANSWERSHEET 3.10 and copy the space diagram and insert the

letters B,C and D acording to Bow’s notation. (4)

3.10.2 Draw the vector(force) diagram using scale 1N=1mm. (5)

3.10.3 determine the magnitude and direction of the TWO unknown forces. (4)

3,5m 3,5m

m

6,5m 2m 3,5m

m

60N

RR

LR

80N

90º

A 30˚

30N 90N


[50]

QUESTION 4. GRAPHICS AND COMMUNICATION

4.1 Use ANSWERSHEET 4.1to answer this question: 4.1.1 Draw to a scale 1:10 ONE vertical section through the sub-structure of a dwelling.

Showing the one brick foundation wall. (8)

4.1.2 Name and show all labels and dimensions. (14)

4.2 Draw the symbole and name following building materials and items that

is shown on a building plan. (10)

4.2.1

4.2.2

4.2.3

4.2.4

4.2.5

4.3 Use ANSWERSHEET 4.3 to answer this question:. Draw an isometric scketch of a plaster brick. Use scale 1:2.

The measurements of the plaster brick is 220mm long, 110mm wide and 75mm

high. Write the title: PLASTER BRICK and the scale on your drawing. (9)

[40]

TOTAAL: 150


NAAM/NAME: ........................................................

ANTWOORBLAD/ ANSWERSHEET 3.6

………………………………………………..

………………………………………………..

…………………………………………………

(5)

ANTWOORDBLAD/ ANSWERSHEET 3.7

........................................

..............................................

..............................................

.............................................

A .

P.


(7)

NAAM/NAME: …………………………………….


RUIMTEDIAGRAM (EIE SKAAL)/ SPACEDIAGRAM (OWN SCALE) (3)

VEKTOR(KRAGTE)DIAGRAM/FORCE DIAGRAM

SKAAL/ SCALE 10N= 1mm (4)


NAAM/ NAME: …………………………………….

ANTWOORDBLAD/ ANSWERSHEET 3.10 3.10.1 RUIMTEDIAGRAM/ SPACE DIAGRAM

(4)

3.10.2 VEKTOR(KRAGTE)/ FORCE DIAGRAM (SKAAL/ SCALE 1N=1mm)

.a


(5)

3.10.3

NAAM/NAME:…………………………………….


4.1.1 DEURSNIT VAN ONDERBOU/ SECTION OF SUBSTRUCTURE

DEEL/ MEMBER GROOTTE/ MAGNITUDE

RIGTING/

DIRECTION

CD

DA

(2) (2)


TEKENING/ DRAWING (8)

BYSKRYFTE EN AFMETINGS/ LABELS AND MEASUREMENTS (14)

NAAM/NAME:…………………………………….

ANTWOORDBLAD/ ANSWERSHEET 4.3 (9)


Civil Technology GR 10 1 Memorandum/June 2014

MPUMALANGA PROVINCIAL GOVERNMENT

DEPARTMENT OF EDUCATION

MARKS: 150

TIME: 3 hours

This memorandum consists of 9 pages.

SIVIELE TEGNOLOGIE/ CIVIL TECHNOLOGY MEMORANDUM JUNIE/ JUNE 2015

GRADE 10


QUESTION 1

1.1 1.1.1- C 1.1.2- F 1.1.3- A 1.1.4- E 1.1.5- G 1.1.6- I 1.1.7- H 1.1.8- B 1.1.9- J 1.1.10- D

10

1.2 - Moet waarskuwings tekens bevat/ Must have warning signs -Moet weg van ander geboue wees/ Must be separated from other Buildings -Moet so ontwerp wees dat stortings nie na buite kan vloei nie/ Must be designed so that spillage can’t flow out -Moet met nodige brandstry toerusting toegerus wees/ Must have the correct fire extinguishing equipment -Moet genoegsame ventilasie he/ Must have adequote ventilation - Moet koel en droog wees/ Must be cool and dry - geen plantegroei mag teenwoordig wees nie/ No plants must be present

3

1.3 - Plastiek stewels/ gumboots - Beskermende oorpak/ safety clothing - Rubber handskoene/ Rubber gloves

2

1.4 -Leerders moet toestemming he om daarmee te werk/ Learners must get permission to work with power tools. -Mag net op masjien werk as jy vertroud is en maatreëls ken/Only use power tools that you know and understand. -Maak seker daar is genoegsame beligting/ Always ensure that there is propper lighting -Net een persoon werk met ‘n masjien/ Only one person at a time should work on machines. -daar moet voldoende werkspasie wees/There must be sufficient free space around the machine. -Moenei verstellings doen terwyl lemme beweeg nie/ Do not attempt to adjust moving parts or try to touch it. -Rapporteer nige gebreke onmiddelik/ Report any damage or shortcomings on machines immediately. -Veiligheidskerms moet in goeie toestand wees/ Safety guards must be in good condition

4

1.5 A- strykplank: om gepleisterde oppervlaktes gelyk af te werk/ Float-To float plastered surfaces33 B- Lang voegstryker- om voeë tussen stene af te werk Long joiner- to work off the mortar between brick layers33 C- Messeltroffel- om dagha mee te skep Steel trowel- to pick the mortar up33

(6)


[30]

VRAAG 2

2.1 2.1.1 B- vlekvrye staal 3 2.1.2 D- kruishout 3 2.1.3 C- klophamer3 2.1.4 B-totale volume benodig3 2.1.5 C-skok3 2.1.6 B- glad afgewerkte beton3 2.1.7 A- Tapbeitel3 2.1.8 C-Bukswaterpas3 2.1.9 C-Konsistensie3 2.1.10 C-melamien fineer3

10

2.2.1 - Plat yster/Flat iron3 -Ronde yster /Round bar3

2

2.2.2 -Word gebruik om diefwering en raamwerke mee te maak/ Are used to make burglar proofing and frames3

1

2.3.1 Saktoets/ Slump test 3 1

2.3.2 Op die bouterrein/ On the bulding site3 1

2.3.3 A=Ware sakking/True slump3 B- Afskuiwing/Shear3 C- Inval/ Collapse3

3

2.3.4 Kubus toets- toets druksterkte van beton Cube test- test the compression sternght33

2

2.4 1- Monolitoiese vlaklaag – op vars beton/ Monolitic- on fresh poured concrete33 2- Droë vlaklaag- op bestaande beton/ Dry – on existing concrete33

4

1.6 - Bind die pyp met draad aan beide die houtpenne, vul met water en

langs die muur. Verseker dat die watervlak aan beide kante op dieselfde hoogte is- dan is die muur waterpas. -Connect the pipe to the wooden pegs with the wire and fill the pipe with water. Place the two pegs at a distance from each other-next to the wall. If the water level is level with the wall then the wall is level.333

3

1.7 Afstyking/Floating or straight edging3 1

1.8 Plaatkompakteerder/ Plate compactor or rammer3 1


2.5 2.5.1- Lae sterkte 15Mpa/ Low strength 15 Mpa 3 2.5.2- enkel verdieping/ single storey 3 2.5.3- 1: 2½ : 2 3 2.5.4- Motorhuis/ Garage3 2.5.5- 1: 2: 23

5

2.6 Die verhouding sand in die beton mengsel/ The ratio sand in the concrete mixture3

1

[30]

QUESTION 3 APPLIED MECHANICS

3.1 Description of unit Symbol Name of unit

Lengte/Length m meter

Massa/Mass kg 3.1.1 kilogram3 Oppervlakte/Area 3.1.2 m23 square meter

Krag/gewig/Force/weight N 3.1.3 Newton3 Stress/pressure 3.1.4 kPa3 Kilo Pascal

Lengtes/Lengths 3.1.5 mm3 millimeter

5

3.2 F= m x a 50kg x 10m/s3 = 500N3

2

3.3 17 000mm3

1

3.4 14kPa3 1 3.5 Die massa van ‘n voorwerp word in gram(g) of kilogram(kg) gemeet./

The mass of an object is measured in gram (g) or kilogram (kg). 3 Die gewig van ‘n voorwerp word in (Newton(N) gemeet/ The weight of an object is measured in Newton (N).3

2

3.6 . 2

3.6.1

80 N 3

A 12,6º 3 110 N


Resultant= 184 mm so 184N (1N = 1mm) @ 12,6º with the horisontal axis 33

5

3.6.2 Resultant= Die enkele krag se effek as die twee ander kragte saam The single force’s effect the two other forces together

1

3.7

3.7.1 N W O 25,28º 3 3 S 3 3 1216N

3 EQUILIBRANT3 Vector diagram Scale 1 mm = 10 N Resultant = 121,6mm so 1216N (1 mm=10 N) @ 25,28º with the horisontal axis 3

7

3.7.2 Die ewewigskrag veroorsaak dat die twee ander kragte uitgebalanseer is The equilibrium force equals out the two opposing forces so nothing moves3

1

3.8 Korrek volgens skaal/ Correct to scale

3

30º3

C 3

6m 3 A

B

1000 N

800N

800N


a 923,76N= 92,376mm3 3 b 3 c 461,88N= 46,188mm3

4

3.9.1 Momente om RL/Moments about RL: RR x 12m = (80 x 10) + (60 x 3,5) 3 12RR = 1 010 RR = 84,17N3 EN/AND ∑ = ∑ LR + RR = 60 + 80 LR = 140 – 84,163 LR = 55,83 N3 OF/OR Momente om RL/Moments about RL: RL x 12m = (80 x20) + (60 x 8,5)3 RL = 55,83N3

2

3.9.2 LR sal meer van die las dra/groter word/ RlLwill carry more of the load 1 3.10.1

SKAAL/SCALE3

4

800N

30N B 3 90N

C3

A 30º

D3

90º


QUESTION 4 GRAPHICS AND COMMUNICATION

3.10.2 3.10.3

b3 a c 3 19mm3 92,94mm 3 d3 =93mm CD =93N horisontaal/ horisontal33 DA = 19mm vertikaal/ vertical33

5 4

4.1.1 AND 4.1.2

22

VWL/DPC3

Min 150mm3

ONGESTEURDE GROND

UNDESTURBED SOIL3

VULLING/FILLING3

150 mm3

BETON3 75mm3

CONCRETE

BEDEKKING3

COVERING VLAKLAAG3

SCREED 25mm3

FOUNDATION/FONDASIE3

600mm x 300mm3

VLOERLYS3

SKIRTING

BO-BOU3 220mm3

SUPER STRUCTURE

NGV/NGL3

TEKENING/ DRAWING 8

ENIGE 10 BYSKRIFTE/ANY 10 LABELS 10

ENIGE 4 AFMETINGS/ ANY 4 DIMENSIONS 4


TOTAL: 150

4.2 4.3

4.2.1 3 DEUR/DOOR3 4.2.2

3 VENSTER/WINDOW3 4.2.3 . 3 STORT/SHOWER3 4.2.4 3 VERDEELBORD/ DB3 4.2.5 DOUBLE SOCKET OUTLET 3 DUBBEL MUURPROP3 TITLE & SCALE

2 2 2 2 2 9

220

7

110

NEATNES √

√

√

√

√

√

√

√

√

DB

75

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