6.1 Choose a description from COLUMN B that matches the item in COLUMN A. Write only the letter (A–N) next to the question numbers (6.1.1 to 6.1.5) in the ANSWER BOOK, e.g. 6.1.1 6.1.1 Chlorine 6.1.2 900 mm 6.1.3 Ductile and low melting point 6.1.4 Sal-ammoniac 6.1.5 800 mm 6.2 Distinguish between PVC pipes and cast-iron pipes in terms of weight. 6.3 You are required to join the soil water pipe from the water closet to the sewage pipe at the outside of the wall with a 90° bend inlet. Draw, in your ANSWER BOOK, a neat two-dimensional sketch of the 90° bend inlet. 6.4 FIGURE 6.4 below shows the installation of a washbasin. 6.4.1 Name ONE material that is used to manufacture A. 6.4.2 Identify B. 6.4.3 Name ONE device that can be used to seal the water inside the washbasin. 6.4.4 Describe the purpose of C. 6.4.5 Explain the purpose of D. 6.5 FIGURE 6.5 below shows the isometric view of a box made from 0.5 mm galvanised sheet metal. 6.5.1 What determines the allowance for sheet metal joints? 6.5.2 How many millimetres should be added to the allowance if snips are used for cutting the sheet metal? 6.5.3 On which side of the scribed line should you cut when cutting out a pattern on sheet metal? 6.5.4 Name TWO types of joining methods that will be suitable to join the seams. 6.6 Describe the process of installing a bracket onto a masonry wall with a chemical anchor into a pre-drilled hole. 6.7 Draw, in the ANSWER BOOK, a neat sketch of the sectional top view of a draw-off valve for a vacuum tank that is located against the kerb of the road. Show the outlet pipe and the construction of the housing for the valve in the drawing. 6.8 FIGURE 6.8 below shows the incomplete drainage plan of a building. 6.8.1 Name the components that are omitted at A and B. 6.8.2 Draw the correct symbol for pipe C. 6.8.3 Name the TWO chambers in D. 6.8.4 Identify component E. 6.8.5 Name the component that has to be installed at F.

Photo AI

6.1 Choose a description from COLUMN B that matches the item in COLUMN A - NSC Civil Technology Civil Services - Question 6 - 2024 - Paper 1

Question 6

6.1 Choose a description from COLUMN B that matches the item in COLUMN A. Write only the letter (A–N) next to the question numbers (6.1.1 to 6.1.5) in the ANSWER BOO... show full transcript

Worked Solution & Example Answer:6.1 Choose a description from COLUMN B that matches the item in COLUMN A - NSC Civil Technology Civil Services - Question 6 - 2024 - Paper 1

Step 1

6.1.1 Choose a description from COLUMN B

96%

114 rated

Answer

The description that matches Chlorine in COLUMN A is C: property of solder.

Step 2

6.1.2 Choose a description from COLUMN B

99%

104 rated

Answer

The recommended height for mounting a washbasin is E: 900 mm.

Step 3

6.1.3 Choose a description from COLUMN B

96%

101 rated

Answer

The description that matches Ductile and low melting point is A: property of copper.

Step 4

6.1.4 Choose a description from COLUMN B

98%

120 rated

Answer

Sal-ammoniac corresponds to F: substance used to clean a soldering iron after it has been heated.

Step 5

6.1.5 Choose a description from COLUMN B

97%

117 rated

Answer

The description that matches 800 mm is B: recommended height for mounting a sink.

Step 6

6.2 Distinguish between PVC pipes and cast-iron pipes

97%

121 rated

Answer

PVC pipes are lightweight, while cast-iron pipes are heavy.

Step 7

6.3 You are required to join the soil water pipe

96%

114 rated

Answer

A neat two-dimensional sketch of the 90° bend inlet should show the connection from the water closet to the sewage pipe.

Step 8

6.4.1 Name ONE material that is used to manufacture A

99%

104 rated

Answer

Ceramic is a material that can be used to manufacture A.

Step 9

6.4.2 Identify B

96%

101 rated

Answer

B is identified as a Waste outlet.

Step 10

6.4.3 Name ONE device that can be used to seal the water inside the washbasin

98%

120 rated

Answer

A rubber plug can be used to seal the water inside the washbasin.

Step 11

6.4.4 Describe the purpose of C

97%

117 rated

Answer

C serves to direct the overflow of water from the washbasin to the waste outlet, ensuring that excess water is drained safely.

Step 12

6.4.5 Explain the purpose of D

97%

121 rated

Answer

The purpose of D is to prevent odors from the trap from entering the home, maintaining a sanitary environment.

Step 13

6.5.1 What determines the allowance for sheet metal joints

96%

114 rated

Answer

Factors such as the thickness of the material and the discretion of the worker determine the allowance for sheet metal joints.

Step 14

6.5.2 How many millimetres should be added to the allowance

99%

104 rated

Answer

If snips are used for cutting the sheet metal, 1 mm should be added to the allowance.

Step 15

6.5.3 On which side of the scribed line should you cut

96%

101 rated

Answer

You should cut outside of the marked pattern when cutting out a pattern on sheet metal.

Step 16

6.5.4 Name TWO types of joining methods

98%

120 rated

Answer

Joining methods suitable for seams include pop rivet joints and soldered joints.

Step 17

6.6 Describe the process of installing a bracket

97%

117 rated

Answer

To install a bracket onto a masonry wall with a chemical anchor, mix the chemical resin with the hardening agent, insert it into the pre-drilled hole, attach the bracket, and fix it with a nut.

Step 18

6.7 Draw a neat sketch of the sectional top view

97%

121 rated

Answer

The drawing of the sectional top view of a draw-off valve should include the outlet pipe and the construction of the housing for the valve.

Step 19

6.8.1 Name the components that are omitted at A and B

96%

114 rated

Answer

The components omitted at A and B are the Vent pipe and Inspection eye, respectively.

Step 20

6.8.2 Draw the correct symbol for pipe C

99%

104 rated

Answer

The symbol for pipe C should represent a standard drainage pipe.

Step 21

6.8.3 Name the TWO chambers in D

96%

101 rated

Answer

The two chambers in D are the settling chamber and the discharge chamber.

Step 22

6.8.4 Identify component E

98%

120 rated

Answer

Component E is identified as a French drain.

Step 23

6.8.5 Name the component that has to be installed at F

97%

117 rated

Answer

The component that has to be installed at F is a Rodding eye.

Join the NSC students using SimpleStudy...

97% of Students

Report Improved Results

98% of Students

Recommend to friends

100,000+

Students Supported

1 Million+

Questions answered

;