Q. Which chemical composition of fiberglass is used when chemical resistance is not essential?

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Q. The melted glass inserted into a second furnace uses a _______ plate at the bottom.

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Q. The diameter of the selected fibers is of the range of _______

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Q. Staple fibers differ from continuous fibers due to the use of ________

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Q. Which of the following is not a type of glass insulation?

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Q. What is the operating temperature of borosilicate glass?

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Q. What is the operating temperature of high silica glass?

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Q. What is the product obtained when thermosetting resin fiberglass is exposed to heat and pressure?

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Q. How is glass wool formed?

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Q. Short fibers of glass wool can be used up to _______

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Q. What are the applications of the unbounded type of glass wool?

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Q. Which type of glass wool is used in space suits?

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Q. What is known as expandable polystyrene?

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Q. What is the maximum heat insulation of thermocole?

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Q. Which of these is not a standard thickness in which thermocole is available in?

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Q. Which of these is not a property of thermocole?

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Q. What is the primary component of crude oil?

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Q. How is crude oil separated?

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Q. What type of gas is LPG?

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Q. What is the boiling temperature of petrol?

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