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IWDT 211 QUIZ -20251-01

Quiz by Mustajab Abbasi

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20 questions
Show answers
  • Q1
    What is one example of a metal used in electrical conductor applications?
    Polyethylene
    Silica
    Copper
    Gallium
    30s
  • Q2
    Which type of material is known for being thermally insulating and withstands high temperatures?
    Metals
    Polymers
    Ceramics
    Composites
    30s
  • Q3
    What key property makes an alloy steel suitable for making automobile chassis?
    Strengthened by heat treatment
    Lightweight
    Low cost
    High electrical conductivity
    30s
  • Q4
    What are polymers typically known for in terms of their structure?
    Excellent heat resistance
    High electrical conductivity
    High strength
    Good electrical and thermal insulators
    30s
  • Q5
    What is one application of barium titanate?
    Food packaging
    Capacitors for microelectronics
    Structural support
    Conductors for electricity
    30s
  • Q6
    What are the five groups used to classify materials as per the text?
    Metals and Alloys, Ceramics and Glasses, Polymers, Semiconductors, Composites
    Metals, Ceramics, Composites, Foams
    Metals, Ceramics, Plastics, Alloys
    Metals, Glasses, Alloys, Polymers
    30s
  • Q7
    Why is plastic used for the outer casing of an electric connector?
    It has high-temperature resistance.
    It is a strong conductor of electricity.
    It is the most expensive material available.
    It is a good electrical insulator and prevents electric shock.
    30s
  • Q8
    What category do materials like silicon and gallium arsenide belong to?
    Metals and Alloys
    Semiconductors
    Composites
    Ceramics
    30s
  • Q9
    What is a characteristic property of ceramics mentioned in the text?
    Lightweight and simple to manufacture.
    Good electrical conductors.
    Strong and hard but very brittle.
    High flexibility and ductility.
    30s
  • Q10
    Which processing technique involves heating a metal to change its properties?
    Cold working
    Heat treatment
    Extrusion
    Casting
    30s
  • Q11
    What type of crystal structure does iron take at room temperature?
    Amorphous
    Face Centered Cubic (FCC)
    Body Centered Cubic (BCC)
    Hexagonal Close-Packed (HCP)
    30s
  • Q12
    What happens to brass when exposed to a marine environment?
    It becomes stronger.
    It turns into gold.
    Dezincification occurs, weakening the brass.
    It remains unchanged.
    30s
  • Q13
    What is the primary advantage of composites as discussed in the text?
    They blend properties of different materials to achieve desired characteristics.
    They are always more expensive than other materials.
    They are heavier than traditional materials.
    They are made from a single type of material.
    30s
  • Q14
    What is the primary property of copper that makes it widely used in electrical conductor wire?
    Brittleness
    High strength
    High electrical conductivity
    Low weight
    30s
  • Q15
    Which type of materials typically includes silica and aluminum oxide?
    Polymers
    Composites
    Ceramics and Glasses
    Metals and Alloys
    30s

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