Q31. The elastic limit of a material is:
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Q32. Brass is an alloy of:
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Q33. Thermal conductivity of insulators is:
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Q34. The crystal structure of diamond is:
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Q35. Solder is alloy of:
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Q36. Which is a biodegradable polymer?
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Q37. Refractory materials are used for:
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Q38. Polyethylene is classified as:
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Q39. What is the primary property of glass wool?
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Q40. Which phase diagram is important for steels?
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