NSC Civil Technology Civil Services Volume and area calculations: Complete the following sentence

Question

Complete the following sentence by filling in the TWO missing accessories for manholes. Write only the word(s) next to the question numbers (3.1.1 to 3.1.2) in the ANSWER BOOK.

The accessories used for a manhole are (3.1.1) .... cover slabs, reducing slabs and (3.1.2) ....

FIGURE 3.2 below shows something used in a wet area. Study the drawing and answer the questions that follow.

3.2.1 Identify A.
3.2.2 State the depth at which the sides of an excavation in saturated ground will start to cave in.

FIGURE 3.3 below shows an incomplete drawing of the layout of a drainage system for a house. Study the drawing and answer the questions that follow.

3.3.1 Use the drawing and deduce the number of sanitary fixtures needed for this house.
3.3.2 Use the drawing and deduce the number of waste-water fixtures that will be needed for the drainage system.
3.3.3 The internal measurement of the sides of a cubical water reservoir is 2 700 mm.
Calculate the following:
- Volume of the tank in m³
- Volume of the tank in litres
Show ALL calculations.

Give ONE word/term for each of the following descriptions by choosing a word/term from the list below. Write only the word/term next to the question numbers (3.4.1 to 3.4.5) in the ANSWER BOOK, e.g. 3.4.6 road kerb.

D-clip; breathing apparatus; manhole; steel ruler; tape measure; transparent pipe level; rope grab; slope; folding rule.

3.4.1 Attached to the safety harness and lifeline.
3.4.2 Helps the worker to move down the lifeline at his/her own pace.
3.4.3 Must be worn when working in a deep manhole or confined spaces.
3.4.4 Can be used to transfer levels over long distances.
3.4.5 When the cover is removed, the area must be cordoned off and warning signs must be posted.

FIGURE 3.5 below shows the layout to determine the route and fall of a trench. Study the drawing and identify A, B and C.

Complete the following sentence by filling in the TWO missing accessories for manholes - NSC Civil Technology Civil Services - Question 3 - 2019 - Paper 1

Worked Solution & Example Answer:Complete the following sentence by filling in the TWO missing accessories for manholes - NSC Civil Technology Civil Services - Question 3 - 2019 - Paper 1

3.1.1 The accessories used for a manhole are ....

3.1.2 The accessories used for a manhole are ....

3.2.1 Identify A.

3.2.2 State the depth at which the sides of an excavation in saturated ground will start to cave in.

3.3.1 Use the drawing and deduce the number of sanitary fixtures needed for this house.

3.3.2 Use the drawing and deduce the number of waste-water fixtures that will be needed for the drainage system.

3.3.3 Calculate the following: Volume of the tank in m³.

Calculate the following: Volume of the tank in litres.

3.4.1 Attached to the safety harness and lifeline.

3.4.2 Helps the worker to move down the lifeline at his/her own pace.

3.4.3 Must be worn when working in a deep manhole or confined spaces.

3.4.4 Can be used to transfer levels over long distances.

3.4.5 When the cover is removed, the area must be cordoned off and warning signs must be posted.

Identifying A, B and C in the layout.

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