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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Q. Which fuel/oil is used for obtaining gasoline?

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Q. Which of the following is not used as a lubricant?

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Q. What is the function of petroleum coke?

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Q. Carbon black and hydrogen can be manufactured using ________

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Q. Coal gas is attained from to a process carried out at ________

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Q. Oil gas is obtaining by the cracking of ________

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Q. Which of these gases is used for heating open-hearth furnaces?

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Q. A process of production of water gas is carried out at ________

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