2.19 How much ore for a metre of Cu cable?
How much copper ore do you need for 100 m of cable? 100 m of typical 3-core copper cable for electrical wiring weighs about 2 kg. Using this information, complete the activity below.
Activity 2.4 Cu cable
At the Parys mine there is about 3,031,000 tonnes of copper ore, and there is 10.1 g copper per kg of ore (1.01%). How much ore from Parys Mountain needs to be mined to make a 100 m cable?
The correct answer is a.
The answer is 198 kg. The calculation required for this is: