Using Materials
1. This question has 4 part(s).
1.1. This question is about ceramics, composites and alloys.
Composites are made of one material embedded in another.
Which of the following materials are not composites?
Tick (✓) two boxes.
Wood | |
Soda-lime glass | |
Concrete | |
Clay | |
Fibreglass |
1.2. Clay can be used to make ceramic plates.
Use the words in the box to complete the sentences.
cooled hammered temperatures moulded heated pressures oxygen levels |
Clay is dug up from the ground and __________________ into shape.
It is then exposed to high ______________________ and hardens to form the plate.
1.3. Steel is a carbon based alloy.
There are different types which have different uses.
Complete the sentences on the uses of different steels.
Stainless steel is used in cutlery because it |
|
Low carbon steel is used to make car bodies because it is |
|
High carbon steel is used to make bridges because it is |
|
1.4. Why can aluminium alloys be used in aircraft?
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
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