NSC Agricultural Technology Waste water removal: The pictures below show three co

Question

The pictures below show three components of an irrigation system. Name the different components and give ONE function of EACH. Write only the answer next to the question numbers (6.1.1 to 6.1.6) in the ANSWER BOOK.

6.2 A farmer has a submersible pump in a borehole that provides water to the irrigation system of his grazing field. It takes 8 minutes to fill the 10 000-litre reservoir.

Give TWO reasons for determining the flow rate of the pump.

Calculate the flow rate in litres per minute of the pump.

Flow rate = Content + Time.

(Show ALL calculations.)

6.3 A hunter shot a kudu and needs to notify the ranger of the exact location of the animal. What type of device is suitable for sending this location?

6.4 Study the pictures of two irrigation systems below and answer the questions that follow.

6.4.1 Choose the irrigation system, A or B, that is most suitable for fields on steep slopes. Motivate your answer.

6.4.2 Why would irrigation system A be preferred to system B on a planted grazing field?

6.5 The design below shows a septic tank.

Identify the design error in the drawing of the septic tank above.

Describe the importance of installing a manhole in a septic tank.

Suggest a suitable drainage system to be connected to the outlet of the septic tank.

6.6 What is the main cause of blockages in the sewage system of a town or city?

6.7 Study the images below and answer the questions that follow.

Identify the type of filter that connects with a water softener. Write only the letter (A–F).

Which ONE of the filters above is installed ON a micro-irrigation system? Write only the letter (A–F).

Give ONE example of where filter C will be used.

Rewrite the following sentence to make the statement TRUE:

Filtration always takes place from the inside/outside to the inside/outside of the filter.

The pictures below show three components of an irrigation system - NSC Agricultural Technology - Question 6 - 2022 - Paper 1

Worked Solution & Example Answer:The pictures below show three components of an irrigation system - NSC Agricultural Technology - Question 6 - 2022 - Paper 1

6.1.1 Name of Component & Function

6.1.2 Name of Component & Function

6.1.3 Name of Component & Function

6.1.4 Name of Component & Function

6.2.1 Give TWO reasons for determining the flow rate of the pump.

6.2.2 Calculate the flow rate in litres per minute of the pump.

6.3 What type of device is suitable for sending this location?

6.4.1 Choose the irrigation system, A or B, that is most suitable for fields on steep slopes. Motivate your answer.

6.4.2 Why would irrigation system A be preferred to system B on a planted grazing field?

6.5.1 Identify the design error in the drawing of the septic tank above.

6.5.2 Describe the importance of installing a manhole in a septic tank.

6.5.3 Suggest a suitable drainage system to be connected to the outlet of the septic tank.

6.6 What is the main cause of blockages in the sewage system of a town or city?

6.7.1 Identify the type of filter that connects with a water softener.

6.7.2 Which ONE of the filters above is installed ON a micro-irrigation system?

6.7.3 Give ONE example of where filter C will be used.

6.7.4 Rewrite the following sentence to make the statement TRUE:

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