FIGURE 1.1 below is an illustration of a workshop - NSC Civil Technology Civil Services - Question 1 - 2016 - Paper 1
Question 1
FIGURE 1.1 below is an illustration of a workshop.
1.1.1 Study FIGURE 1.1 and describe the action that is unsafe.
1.1.2 Describe how this unsafe action can be rect... show full transcript
Worked Solution & Example Answer:FIGURE 1.1 below is an illustration of a workshop - NSC Civil Technology Civil Services - Question 1 - 2016 - Paper 1
Step 1
Study FIGURE 1.1 and describe the action that is unsafe.
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Answer
The unsafe action in FIGURE 1.1 is that the person is using a table and chairs to reach a required height instead of utilizing appropriate safety equipment like a ladder or scaffolding.
Step 2
Describe how this unsafe action can be rectified.
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Answer
To rectify this unsafe action, the individual should use a ladder or scaffolding to reach the required height safely.
Step 3
Predict the consequences if the following safety equipment is not used: Face protection.
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Answer
Not using face protection can result in serious injuries such as burns from sparks while grinding or chipping materials.
Step 4
Predict the consequences if the following safety equipment is not used: Dust mask.
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Failure to wear a dust mask can lead to inhaling harmful dust, resulting in respiratory issues and lung problems.
Step 5
Predict the consequences if the following safety equipment is not used: Safety boots.
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Answer
Not wearing safety boots can result in foot injuries from heavy objects falling or puncturing the foot, leading to severe injury.
Step 6
Recommend THREE safety precautions that must be adhered to when handling heavy materials.
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Answer
Workers should maintain a safe distance from moving materials. 2. Use equipment like hoists to lift heavy materials safely. 3. Ensure the load is stable and secured before lifting.
Step 7
Distinguish, by means of free-hand sketches, between skirting and quadrant (quarter round moulding).
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Answer
Skirting is a board placed at the base of the wall while quadrant is a rounded moulding that fits in the corner where the wall meets the floor.
Step 8
Identify the type of steel profile.
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Answer
The type of steel profile shown in FIGURE 1.5 is channel iron.
Step 9
Explain ONE property of the steel profile.
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Answer
Channel iron is resistant to rust, making it suitable for structural applications.
Step 10
Explain the purpose of stone in concrete.
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Stone is used to add bulk to concrete, making the mix more economical while enhancing its stability and reducing shrinkage.
Step 11
Name THREE places in a building where damp-proof course (DPC) or a damp-proof membrane should be used.
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Answer
Beneath concrete floors. 2. Under window sills. 3. At roofs and under roof coverings.
Step 12
Give ONE reason why you will use damp-proof course (DPC) when constructing a building.
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Damp-proof course is used to prevent damp/moisture from entering a building, protecting its structural integrity.
Step 13
Identify the bond used in the wall.
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Answer
The bond used in the wall shown in FIGURE 1.9 is stretcher bond.
Step 14
Project and draw the end view of this wall on ANSWER SHEET 1.9.
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Answer
Refer to the provided drawing on ANSWER SHEET 1.9 for the end view projection.
Step 15
On ANSWER SHEET 1.9, project and draw from the given view the plan course of a T-junction for a one-brick wall of course AA.
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Draw the T-junction by projecting its layout based on the specified course of course AA on ANSWER SHEET 1.9.
Step 16
Name TWO materials that can be used as roof covering for buildings along the coast.
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Answer
Galvanised corrugated iron sheets. 2. Thatch roof coverings.
Step 17
State TWO disadvantages of using timber frames instead of steel frames for windows.
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Timber frames require regular maintenance, which may incur additional costs. 2. Timber is prone to deterioration from pests and moisture.
