Building And Structural Surveying N4 — Document

August 2019 — N4 — Building And Structural Surveying

N4 2019 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 7 pages 📝 33 items found

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Q1— Section header —

1.10\ in the ANSWER BOOK

1.10Intermediate sight is the first reading taken after setting up the level. The tripod stand consists of three legs which may be solid framed. A ch ange plate is a rectangular steel plate with a pin at the centre and three

Q2— Section header —

2.1Name FOUR factors that will influence the accuracy of a map. (4\

2.2Name FIVE typical mistakes that can occur during taping. (5\

2.3Name FIVE practical suggestions to consider during field operation. (5\ [14]14

Q3— Section header —

3.1Explain and give the use of a divided scale line. (3\

3.2Calculate the representative fraction if 10 mm on a map represent 10 m on the ground. (3\

3.3The three s ides of a smallholding are 100 m, 180 m and 210 m. alculate the area in hectares. (9\

3.4Calculate the distance between two points on a map if the representative fraction is 1:10 000 and the actual ground distance is 1 250 m. (4\ [19]19

Q4— Section header —

4.1414

Q5— Section header —

5.1Explain the purpose of surveying. (5\

5.2Explain each of the following surveying methods

5.2.1Tacheometric surveying (3\

5.2.2Traversing (3\

5.2.3Compass surveying (2\ [13]13

Q6— Section header —

6.1What are the THREE fundamental difference between a umpy level and a tilting level (3\

6.2FIGURE 2 shows a dumpy level set up at A and staff held at BM and C. FIGURE 2

6.2.1What is the collimation height? (2\

6.2.2What is the reduced level at point C (2\ [7]7

Q7— Section header —

7.1A distance was measured with a 100 m tape and found to be 600 m. I t was later discovered tha t the tape was 0,06 m too long. Calculate the correct distance. (3\

7.2A length of 37,5 m was measured horizontally in catenary. The mass of the tape used is 0,015 kg/m and the tension applied is 7 kgf. Calculate the correct length. (4\

7.3

7.4distance AB was measured at a slope of 5 and found to be 250 m. Calculate the horizontal distance. (4\ [16]16

Q8— Section header —

8.1Define orientation with regard to plane tabling. (3\

8.2Briefly explain systematic errors (4\ [7] TOTAL:7

Mark Allocation

Total100 marks

Sections10 + 14 + 19 + 14 + 13 + 7 + 16 + 7 = 100 marks

Paper information

TitleDocument

SubjectBuilding And Structural Surveying

LevelN4

Document typeQuestion paper

Year2019

MonthAugust

Pages7

Downloads5

Examination context

Decade2010s

Years ago7y

SeasonWinter (SH)

Start dayThursday

Exam periodAugust 2019

Days since exam2,628

About Building And Structural Surveying examination preparation

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