Question: Question 1 : What are composite materials? What is the advantage of using a composite material? List three examples of composite materials. Question 2 :
Question : What are composite materials? What is the advantage of using a composite material? List three examples of composite materials.
Question : What is hardness test? What are the different types of hardness tests? List all the relevant differences among them.
Question : In sand casting, what is the difference between a pattern and a core?
Please answer all questions correctly and no plegirism or Ai I need typed solution and well explained.
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