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Which of the following is/are the limitations of high-temperature non-metallic materials?

Which of the following is/are the limitations of high-temperature non-metallic materials? Correct Answer Weldability, less resistance to thermal shock, lack of ductility and formability

Limitations of high-temperature non-metallic materials are: i. Lack of ductility ii. Less resistance to thermal shock iii. Lack of ductility iv. Formability v. Weldability.

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