Fig. 2 shows three metal products labelled A, B and C. It stays cool in the heat. The grip stops it from slipping. It can be fixed if it breaks. It is used ...
Question 1 Report
Fig. 2 shows three metal products labelled A, B and C.
It stays cool in the heat. The grip stops it from slipping. It can be fixed if it breaks.
It is used by many people each day. All the parts are cut to the right size. The MDF can be bent into shape when hot.
The surface of the copper can be improved by applying a oil finish. The finished product is expected to have a working life of several years.
Name the metal most commonly used to make each product.
(a) Product A (water pipe for plumbing) [1]
(b) Product B (structural beam for construction) [1]
(c) Product C (drinks can) [1]
Answer Details
(a) Product A (water pipe for plumbing): The metal most commonly used is copper. [1] Copper is an excellent choice for plumbing because it is malleable (can be bent to follow pipe routes), resistant to corrosion from water, and does not contaminate the water supply. It can also be easily joined using solder fittings.
(b) Product B (structural beam for construction): The metal most commonly used is mild steel. [1] Mild steel is strong, tough, and relatively inexpensive. It can be produced in large structural sections (I-beams, H-beams) by rolling, and it has excellent tensile and compressive strength, making it ideal for supporting loads in buildings and bridges.
(c) Product C (drinks can): The metal most commonly used is aluminium. [1] Aluminium is lightweight, which reduces transport costs; it is resistant to corrosion so the contents remain safe and untainted; it is an excellent conductor of cold (keeping drinks cool); and it is easily recyclable, making it environmentally favourable for single-use packaging.
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