Q. What is the composition of aqua-regia that corrodes noble metals such as platinum, gold?

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Q. What is the abbreviation of BMG regarding the type of materials?

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Q. Metallic composites consist of a metallic matrix strengthened by metallic or nonmetallic fibers, filaments or whiskers.

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Q. Which of the following factors that affect the corrosion of composites?

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Q. Which of the following is the monomer of natural rubber?

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Q. Which of the following is/are the classification of plastics based on the thermal behavior?

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Q. What is meant by thermoplastic?

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Q. Which of the following thermoplastic is corrosion-resistant to all environments up to 550°F?

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Q. Which of the following is the chemical name of nylon (6, 6)?

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Q. Which of the following thermoplastics is used for making eye lenses?

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Q. Which of the following is/are the monomers of nylon (6,6)?

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Q. Which of the following is/are the examples of thermoplastics?

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Q. Which of the following is the monomer of Polyvinyl chloride (PVC)?

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Q. Degradation of plastics is due to swelling, loss of mechanical properties, softening, hardening, and spalling.

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Q. What is meant by thermosetting plastic?

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Q. Which of the following is/are the example of thermosetting polymers?

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Q. Which of the following is/are the raw materials of Bakelite?

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Q. Which of the following polyester is used in the space mirror satellite?

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Q. Silicones are used for molding compounds, laminating resins, and insulation for electric motors and electronic equipment.

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Q. What is the abbreviation of FRP regarding reinforced plastics?

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