5.1 Identify component A in the picture above. 5.1.2 Describe the function of the component identified in QUESTION 5.1.1. 5.1.3 State the function of the following components of a hammer mill: A. Sieves B. Hammers C. Fan 5.2 Name TWO essential clothing items for personal protection that must be worn when using a push lawnmower. 5.3 Tabulate the differences between Bale A and Bale B, shown in the pictures below, under the following headings: 5.3.1 Storage space needed 5.3.2 Bale handling 5.3.3 Rope consumption 5.4 State TWO functions of the type of slip clutch shown in the sketch below. 5.5 State FOUR general problems that can occur when using the combine harvester below. 5.6 The sketch below shows the back side of a tractor. Answer the questions that follow. 5.6.1 Name the mechanism in the sketch above that is used to hitch an implement to a tractor. 5.6.2 Name components A, B and C, as shown in the sketch above, and state the function of EACH. 5.7 The picture below shows a hydraulic cylinder. Answer the questions that follow. 5.7.1 Give ONE reason why air must be removed from a hydraulic system. 5.7.2 Which side of this cylinder is the strongest: A or B? 5.7.3 Explain your answer to QUESTION 5.7.2. 5.7.4 Where this type of cylinder can be used and an explanation for the choice. 5.8 State THREE factors that can cause a decrease in the value of a tractor. 5.9 Calculate the diameter of the driven pulley by using the formula below. Show ALL calculations. N₁ x D₁ = N₂ x D₂ Where: N₁ = Speed of driving pulley D₁ = Diameter of driving pulley N₂ = Speed of driven pulley D₂ = Diameter of driven pulley 5.10 What will happen to the load on the left-hand side if pulley A on the right-hand side is turned clockwise?

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5.1 Identify component A in the picture above - NSC Agricultural Technology - Question 5 - 2017 - Paper 1

Question 5

5.1 Identify component A in the picture above. 5.1.2 Describe the function of the component identified in QUESTION 5.1.1. 5.1.3 State the function of the following... show full transcript

Worked Solution & Example Answer:5.1 Identify component A in the picture above - NSC Agricultural Technology - Question 5 - 2017 - Paper 1

Step 1

Identify component A in the picture above.

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Answer

The component A is identified as the Cyclone/Dust/Air outlet.

Step 2

Describe the function of the component identified in QUESTION 5.1.1.

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Answer

The cyclone/dust/air outlet effectively separates the grounded material from the air or dust, facilitating the discharge of the ground material.

Step 3

State the function of the following components of a hammer mill: A. Sieves

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Answer

Screens determine the size of the final ground product.

Step 4

State the function of the following components of a hammer mill: B. Hammers

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Answer

Hammers pulverize the fodder, breaking it down into smaller particles.

Step 5

State the function of the following components of a hammer mill: C. Fan

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Answer

The fan blows the pulverized material through the screens or helps to expel dust out of release.

Step 6

Name TWO essential clothing items for personal protection that must be worn when using a push lawnmower.

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Answer

Safety boots/shoes
Long pants/overalls

Step 7

Tabulate the differences between Bale A and Bale B, shown in the pictures below, under the following headings: 5.3.1 Storage space needed

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Answer

Bale A requires space optimally utilized while Bale B requires a loss of space between bales.

Step 8

Tabulate the differences between Bale A and Bale B, shown in the pictures below, under the following headings: 5.3.2 Bale handling

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Answer

Bale A can be handled manually while Bale B can be handled using a tractor.

Step 9

Tabulate the differences between Bale A and Bale B, shown in the pictures below, under the following headings: 5.3.3 Rope consumption

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Answer

Bale A has low rope consumption compared to Bale B which has high rope consumption.

Step 10

State TWO functions of the type of slip clutch shown in the sketch below.

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Answer

To prevent heavy objects from being taken into the baler.
To protect the pick-up if it is impeded by something.

Step 11

State FOUR general problems that can occur when using the combine harvester below.

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Answer

Loss of maize kernels due to blowers that are set incorrectly.
Thresher that breaks the kernels.
Too much foreign particles present.
Mechanical problems that hinder progress.

Step 12

Name the mechanism in the sketch above that is used to hitch an implement to a tractor.

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Answer

The mechanism used is the three-point mechanism.

Step 13

Name components A, B and C, as shown in the sketch above, and state the function of EACH: A.

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Answer

A is the Top link; it is used to lift or lower the rear of the implement.

Step 14

Name components A, B and C, as shown in the sketch above, and state the function of EACH: B.

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Answer

B is the Levelling box; it is used to adjust the cross-angle of the implement in relation to the tractor.

Step 15

Name components A, B and C, as shown in the sketch above, and state the function of EACH: C.

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Answer

C is the Draw bars/lifting arms; it is used to hitch the implement.

Step 16

Give ONE reason why air must be removed from a hydraulic system.

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Answer

Air is compressible and will influence the operation of the system.

Step 17

Which side of this cylinder is the strongest: A or B?

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Answer

Side A is the strongest.

Step 18

Explain your answer to QUESTION 5.7.2.

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Answer

Side A is subjected to the oil pressure in the cylinder, which is larger than on side B.

Step 19

Where this type of cylinder can be used and an explanation for the choice.

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Answer

This type of cylinder can be used in a planter where movement is needed in both directions.

Step 20

State THREE factors that can cause a decrease in the value of a tractor.

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Answer

As soon as a tractor leaves the supplier it is second-hand.
Wear on the engine, tires etc.
New tractor models with better features come into the market.

Step 21

Calculate the diameter of the driven pulley by using the formula provided.

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Answer

Using the formula:

$N_1 \times D_1 = N_2 \times D_2$

Substituting values:

$4,000 \times 70 = 2,000 \times D_2$

Calculating gives:

$D_2 = \frac{4,000 \times 70}{2,000}$

Thus, $D_2 = 140$ mm.

Step 22

What will happen to the load on the left-hand side if pulley A on the right-hand side is turned clockwise?

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Answer

The load will be lowered.

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