4.1 Below are photographs of fasteners that are used on building sites - NSC Civil Technology Woodworking - Question 4 - 2017 - Paper 1
Question 4
4.1 Below are photographs of fasteners that are used on building sites.
Write down the name and ONE use of each fastener next to the question number (4.1.1–4.1.3) in... show full transcript
Worked Solution & Example Answer:4.1 Below are photographs of fasteners that are used on building sites - NSC Civil Technology Woodworking - Question 4 - 2017 - Paper 1
Step 1
4.1.1 Write down the name and ONE use of each fastener.
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Answer
Chipboard screw: Used for joining fabricated boards such as chipboard.
Steel cut nail: Mainly used to fix skirting and cleats to brickwork.
Sleeve anchor: Used for securing objects into concrete or brickwork.
Step 2
4.2 Name ONE fastener that you will use when joining purlins to rafters.
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Answer
One fastener that can be used is a wire nail.
Step 3
4.3 State TWO advantages of nails over screws.
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Nails are generally faster to install than screws.
They can be straightened and reused after being removed.
Step 4
4.4 Name ONE pipe that can be joined by means of a compression joint.
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Answer
Copper pipe can be joined using a compression joint.
Step 5
4.5.1 Calculate the inside area of the room in square metres (m²).
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Answer
The inside area can be calculated as follows:
Long walls:
Length = 7000 mm - 2(220 mm) = 6 560 mm
Short walls:
Width = 4000 mm - 2(220 mm) = 3 560 mm
Inside area = (6 560 mm x 3 560 mm) = 23.36 m²
Step 6
4.6.2 Calculate the area of ONE ceiling board in square metres (m²).
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Area of one ceiling board = 4 200 mm x 1 200 mm = 5.04 m².
Step 7
4.6.3 Calculate the length of the skirting required in metres (m).
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Length of skirting = (2 * 6 560 mm + 2 * 3 560 mm) - 3 000 mm = 17.24 m.
