Q. What is the melting temperature of fused quartz?

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Q. What is the maximum usable temperature of soda like glass?

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Q. What is the Kovar type of glass?

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Q. What is the crown type of glasses?

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Q. What are lead glasses used for?

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Q. Which type of glass is regarded as the most heat resistant?

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Q. What is 96% silica glass used for?

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Q. What is the maximum service temperature of aluminosilicate glass?

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Q. Which of the following is not a process involved in glass production?

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Q. At what temperature are raw materials inserted into the furnace?

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Q. Which forming method is used for the production of hollow glasses?

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Q. Which method of forming cannot be used to produce sheet glass?

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Q. The temperature at which a non-crystalline material transforms from a supercooled liquid to rigid glass is __________

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Q. Glasses show evidence of _____ fractures.

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Q. Plastics and elastomers differ due to their properties of ________

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Q. Which of the following is not a characteristic of rubber?

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Q. How does the crystallinity of an elastomer affect its strength?

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Q. The loss of heat in elastomers due to friction is known as ________

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Q. How is the hardness of an elastomer measured?

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Q. What is the thermal conductivity of rubber?

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