NSC Civil Technology Civil Services Cold water pipe systems and installation: 3.1 Choose a description from CO

Question

3.1 Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A–G) next to the question number (3.1.1–3.1.5) in the ANSWER BOOK, for example 3.1.1 H.

COLUMN A                               COLUMN B
3.1.1 Kick pipe                        A PVC pipes neatly fixed to the surface of walls.
3.1.2 Gutter                            B Used to protect the main electrical supply cable
3.1.3 Grid-plate manhole cover on  C Works on a credit principle of electricals
    streets/pavements/in kerbs.    D Allows water to enter the storm-water system
3.1.4 Prepaid card system            E Directs storm water off the roof
3.1.5 Surface-mounted conduits      F Pipes that slope towards a drain.
                                    G Chased inside walls that are sealed with plaster to hide it.

3.2 Name any THREE materials that are used for the manufacture of pipes for a cold-water installation.

3.3 FIGURE 3.3 shows the installation of a sink in a kitchen. Study the drawing and answer the questions that follow.

3.3.1 Explain the purpose of A.

3.3.2 Explain the function of cap B on the pipe bend.

3.3.3 Identify pipe C.

3.3.4 State the diameter of pipe C.

3.3.5 Explain the purpose of D.

3.3.6 Explain why you would fix a 45° PVC bend (E) at the end of pipe C.

3.3.7 State the diameter of pipe F.

3.3.8 Describe the purpose of the water at G.

3.3.9 Identify part H.

3.4 Identify the following symbols as used in civil services:

3.4.1

3.4.2

3.4.3

3.4.4

3.5 Give TWO reasons why wastewater may not be channelled into a septic tank.

3.6 FIGURE 3.6 below shows a typical high-pressure geyser installation. Write the correct name of the part next to the letter (A–G) in the ANSWER BOOK.

3.1 Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 3 - 2016 - Paper 1

Worked Solution & Example Answer:3.1 Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 3 - 2016 - Paper 1

3.1 Choose a description from COLUMN B that matches an item in COLUMN A.