Q. The resistance of an insulating material ______ as the temperature increases.

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Q. Ionic conductivity of a material can be increased by _______

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Q. Cork has a low thermal conductivity of _____ W/m K.

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Q. The measure of loss of energy in a material is defined as _____

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Q. Which of the following is both a good electrical insulator and thermal conductor?

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Q. The insulating materials resist degradation by stability against chemical reaction over ________

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Q. Cellular concrete is used for ______ insulation.

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Q. Which insulating material does a combination of magnesium oxychloride and gelatin produce?

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Q. Which of the following is an application of asbestos?

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Q. What kind of mineral is Chrysotile?

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Q. Which of the following is a characteristic of asbestos minerals?

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Q. What is the specific heat of Chrysotile?

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Q. Which is of following is not an asbestos mineral?

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Q. What makes up the primary composition of glass?

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Q. Pyrex glass is otherwise known as _________ glass.

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Q. Pyroceram glass softens above ______

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Q. Cork is composed of _____ air.

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Q. A copolymer of butadiene and acrylonitrile is known as __________

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Q. What is the percentage of elongation of styrene butadiene rubber?

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Q. Isoprene added to isobutylene gives _______

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