Kevlar
a year ago
rmckay7
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10 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    Which of the following is not a product that has been made with Kevlar?

    answer choices

    Tennis racquets

    Bungee jumping cords

    Brake pads

    Body armor

  • Question 2
    60 seconds
    Q.

    When was the first bulletproof vest invented?

    answer choices

    1964

    1975

    1990

    2006

  • Question 3
    60 seconds
    Q.

    For which of the following characteristics is Kevlar known?

    answer choices

    Heat resistance

    Strength

    Durability

    All of the above

  • Question 4
    60 seconds
    Q.

    Who is credited with inventing Kevlar?

    answer choices

    Robert Kevlar

    Richard Armellino

    Stephanie Kwolek

    None of the above

  • Question 5
    60 seconds
    Q.

    Which of the following caused the search for a fabric like Kevlar?

    answer choices

    A shortage in the gasoline supply

    A desire to protect police officers

    The need to replace asbestos

    The want of better musical instruments

  • Question 6
    60 seconds
    Q.

    A vest made of 15 layers of Kevlar with no steel plates could stop all but which of the following rounds?

    answer choices

    Handgun rounds

    Shotgun pellets

    Rifle rounds

    It could stop all of the above

  • Question 7
    60 seconds
    Q.

    Why did people begin using asbestos in buildings?

    answer choices

    It was extremely durable

    It was very heavy

    It was poisonous to insects

    It was resistant to fire

  • Question 8
    60 seconds
    Q.

    According to the article, how many American police officers are estimated to wear bulletproof vests daily?

    answer choices

    1,000

    2,000

    Over half

    Almost all of them

  • Question 9
    60 seconds
    Q.

    How much stronger is Kevlar than steel?

    answer choices

    Half as strong

    As strong

    Five times as strong

    200 times as strong

  • Question 10
    60 seconds
    Q.

    What product was Kwolek trying to improve when she invented Kevlar?

    answer choices

    Tires

    Milk

    Brake pads

    Armor

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