What Do You Know About Polymer Engineering?

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What Do You Know About Polymer Engineering? - Quiz

As a sub-field of materials science and engineering, polymer engineering primarily focuses on the development of brand new products often made from plastics, although other substances are similarly termed polymers.
To find out more about polymer engineering and polymer engineers, take the quiz below.


Questions and Answers
  • 1. 

    What is inulin a type of?

    • A.

      Carbohydrates

    • B.

      Proteins

    • C.

      Lipids

    • D.

      Minerals

    • E.

      Vitamins

    Correct Answer
    A. Carbohydrates
    Explanation
    Inulin is a type of carbohydrate. It is a soluble dietary fiber that is found in many plants, particularly in the roots or tubers. It is not a protein, lipid, mineral, or vitamin. Inulin is commonly used as a prebiotic, as it promotes the growth of beneficial bacteria in the gut.

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  • 2. 

    Which of these is a chain transfer reagent? 

    • A.

      CH4

    • B.

      CCl4

    • C.

      H2

    • D.

      O2

    Correct Answer
    B. CCl4
    Explanation
    CCl4 is a chain transfer reagent because it can break the chain reaction in a polymerization process by transferring a hydrogen atom to the growing polymer chain. This results in the formation of a free radical on the CCl3 group, which is highly stable and does not readily react further. The use of CCl4 as a chain transfer agent helps control the molecular weight and properties of the polymer being formed.

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  • 3. 

    Which of these describes a glass? 

    • A.

      Polymeric mixture

    • B.

      Lez gel

    • C.

      Micro-crystalline

    • D.

      Super cooled liquid

    • E.

      Fluid

    Correct Answer
    D. Super cooled liquid
    Explanation
    A glass is considered a super cooled liquid because it has a non-crystalline structure and behaves as a solid, but its molecules are arranged in a disordered manner similar to that of a liquid. This is due to the rapid cooling process during its formation, which does not allow enough time for the molecules to arrange themselves in a crystalline structure. Therefore, a glass is technically not a solid or a liquid, but rather a super cooled liquid.

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  • 4. 

    Which of these reactions produces Bakelite? 

    • A.

      Aniline and urea

    • B.

      Phenol and methanal

    • C.

      Phenol and chloroform

    • D.

      Formaldehyde and NaOH

    Correct Answer
    B. Phenol and methanal
    Explanation
    Phenol and methanal react to produce Bakelite. Bakelite is a type of thermosetting plastic that was first synthesized by Leo Baekeland in 1907. It is formed through a condensation reaction between phenol and formaldehyde (which is also known as methanal). This reaction results in the formation of a three-dimensional network of cross-linked polymers, giving Bakelite its unique properties such as heat resistance and electrical insulation.

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  • 5. 

    Which of these is cellulose a polymer of?

    • A.

      Glucose

    • B.

      Fructose

    • C.

      Lactose

    • D.

      Sucrose

    Correct Answer
    A. Glucose
    Explanation
    Cellulose is a polymer of glucose. It is a complex carbohydrate found in the cell walls of plants and is the most abundant organic compound on Earth. Cellulose molecules are composed of many glucose units linked together through glycosidic bonds. The arrangement of these glucose units gives cellulose its strong and rigid structure, making it an important component in providing support and shape to plant cells.

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  • 6. 

    Inulin is a polymer of which of these sugars?

    • A.

      Glucose

    • B.

      Arabinose

    • C.

      Galactose

    • D.

      Fructose

    Correct Answer
    D. Fructose
    Explanation
    Inulin is a polymer of fructose. Inulin is a type of dietary fiber that is found in many plants, including chicory root, onions, and bananas. It consists of a chain of fructose molecules linked together. In the body, inulin is not digested or absorbed in the small intestine, but instead passes through to the large intestine where it is fermented by bacteria. Inulin has been found to have several health benefits, including promoting gut health and aiding in weight management.

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  • 7. 

    Which of these is a condensation polymer? 

    • A.

      PVC

    • B.

      Polythene

    • C.

      Protein

    • D.

      Rubber

    Correct Answer
    C. Protein
    Explanation
    Protein is a condensation polymer because it is formed by the condensation reaction between amino acids. In this reaction, the carboxyl group of one amino acid combines with the amino group of another, releasing a molecule of water. This process repeats multiple times to form long chains of amino acids, which make up proteins. PVC, polythene, and rubber are not condensation polymers as they are formed through different polymerization processes.

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  • 8. 

    Which of these is an example of a co-polymer? 

    • A.

      Teflon

    • B.

      Polypropylene

    • C.

      PVC

    • D.

      Buna-S

    Correct Answer
    D. Buna-S
    Explanation
    Buna-S is an example of a co-polymer because it is a synthetic rubber made from the polymerization of butadiene and styrene. Co-polymers are formed by the combination of two or more different monomers, resulting in a polymer with unique properties. In the case of Buna-S, the combination of butadiene and styrene creates a rubber material with improved strength, flexibility, and resistance to chemicals and heat.

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  • 9. 

    Which catalyst is used for olefin polymerization? 

    • A.

      Ziegler-Natta catalyst

    • B.

      Wilkinson catalyst

    • C.

      Raney nickel catalyst

    • D.

      Merrifield resin

    Correct Answer
    A. Ziegler-Natta catalyst
    Explanation
    The Ziegler-Natta catalyst is used for olefin polymerization. This catalyst is a combination of a transition metal compound, usually a titanium or vanadium compound, and an organoaluminum compound. It allows for the controlled polymerization of olefins, such as ethylene and propylene, by coordinating with the double bonds in the monomers and facilitating their bonding to form polymer chains. The Ziegler-Natta catalyst is widely used in the production of various polyolefins, including polyethylene and polypropylene, due to its high activity, selectivity, and ability to produce polymers with desired properties.

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  • 10. 

    Which of these polymers occurs naturally? 

    • A.

      Starch and nylon

    • B.

      Protein and nylon

    • C.

      Starch and cellulose

    • D.

      Protein and nylon

    Correct Answer
    C. Starch and cellulose
    Explanation
    Starch and cellulose are both polymers that occur naturally. Starch is a complex carbohydrate found in plants and serves as a storage form of energy. Cellulose is the main structural component of plant cell walls and provides strength and support. Nylon and protein, on the other hand, are synthetic polymers that are not naturally occurring.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 22, 2018
    Quiz Created by
    Melomee
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