Which polymer group is in engineering thermoplastics? A High density polyethy le ne, Acrylonitrile-Butadiene-Styrene terpolymer, polypropylene B Polyaxymethylene, Acrylonitrile-Butadiene-Styrene terpolymer, polycarbonate Low density polyethylene, poly(vinylchloride), polyamides D Poly(ethylene terephthalate). poly (methyl methacrylate), polystyrene

Q: How to Identify valence electrons and core electrons ?

A: It is to be mentioned how to identify the valence electrons and core electrons.

Q: Are defects and impurities in crystal structures favourable? how?

A: The defects in crystal structure are basically irregularities in the arrangement of constituent…

Q: Can a near-perfect separation be made with gas permeation?If not, why not?

A: Gas permeation technology uses porous membrane for the separation.

Q: a synthetic, semi crystalline organic polymer resin that (specify) and a viscoelastic polymer…

A:

Q: 4) What is the difference between stress corrosion cracking and corrosion fatigue? Did polymer…

A: Given data 4) What is the difference between stress corrosion cracking and corrosion fatigue? Did…

Q: Derive the dimension ratio c/a for regular HCP crystal.

A: HCP crystal Lattice or Hexagonal Closed Packing Lattice is shown below. It is said to find the…

Q: About precipitation and dispersion hardening, answer: (a) Explain what the precipitation process…

A: Dear Subscriber! The three questions posted here require independent analysis/calculations. As per…

Q: What does the crystal structure of graphene illustrate?

A: The crystal structure of the graphene is to be illustrated.

Q: Derive the dimension ratio cla for regular HCP crystal. DO NOT USE the atomic packing factor.

A: In the HCP system, the basal plane has a hexagonal or triangular lattice with lattice parameter a.…

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A: The success of hip bone surgery depends on the material used during the implantation.

Q: Define thermoplastic, thermoset plastic and elastomer. Give some examples including chemical…

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Q: A sample of aluminum foil contains 8.50 X 10^23 atoms. What is the mass of the foil?

A:

Q: Design a process to produce a NiO-60% MgO refractory with a structure that is 40% glassy phase at…

A: The phase diagram of the NiO-MgO is as follows:

Q: How does solution crystallization differ from melt crystallization?

A: The difference between the solution crystallization and melt crystallization is to be mentioned.

Q: Why is it easier to produce an amorphous material in polymers and in some ceramics than in metals? O…

A: there are no planes of atoms in an amorphous material, the atoms are gridlocked into the glassy…

Q: How can we remove the material reversibly adsorbed on carbon or other adsorbents?

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Q: Question: Briefly explain how each of the following influences the tensile or yield strength of a…

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Q: What are called solid solutions? Write a short note on tungsten carbide alloys.

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Q: Why are covalently bonded materials generally less dense than those that are bonded ionically or…

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Q: why thermal conductivity is higher for crystalline materials than for amorphous

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Q: Explain how molecular weight of a polymer can be determined by dilute viscosity measurements? Give…

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Q: 6. With the aid of diagrams, explain what occurs during recovery, recrystallization and grain…

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Q: What is the difference between adsorbent and adsorbate?

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Q: Which one of the following is a thermoset polymer?   Polypropylene   Polystyrene   Polyethylene…

A: The thermosetting polymer out of the given options is to be chosen.

Q: Draw all the resonance structure for the ClO- 3 polyatomic anion.

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Q: Give 3 example of radiation process in nanofluid?

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Q: What are the 2 categories of plastics?

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Q: Discuss glycerine manufacture

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Q: (a) Make a diagram of the polymerization process in the formation of polyacrylonitrile. (b) What…

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Q: Calculate the ionic packing factor of sodium chloride. Magnesium oxide has a sodium chloride crystal…

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Q: QUESTION 7 As far as solid phase imperfections are concerned I. Dislocations II. Voids III.…

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Q: Which of the following statements about recrystallisation of metals are true? Select one or more: a.…

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Q: Describe and differentiate the two means of forming polymers: addition polymerization and…

A: differentiate the two means of forming polymers: addition polymerization and condensation…

Q: Describe the similarities and differences between the Lewis method and the Rigorous method.

A: The similarities and differences between Lewis method and rigorous method are in the explanation…