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Material Technology_ QB-M1

Quiz by Kashif Adnan

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30 questions
Show answers
  • Q1
    Which of the following is NOT a category of engineering materials?
    Polymers
    Ceramics
    Metals and Alloys
    Organic Compounds
    60s
  • Q2
    What is the primary reason for using plastic in the outer casing of an electrical connector?
    Good electrical insulation
    High strength
    High electrical conductivity
    High thermal conductivity
    60s
  • Q3
    Which material is commonly used for electrical conductor wires due to its high electrical conductivity?
    Aluminum
    Brass
    Copper
    Silver
    60s
  • Q4
    What is the main reason for selecting brass in the metal joining piece of an electrical connector?
    Good electrical conductivity and ease of machining
    High cost
    High thermal insulation
    High brittleness
    60s
  • Q5
    Which of the following is an example of a ceramic material?
    SiO₂-Na₂O-CaO (Window glass)
    Silicon
    Brass
    Polyethylene
    60s
  • Q6
    What is the primary use of barium titanate in engineering applications?
    Thermal insulation
    Electrical insulation
    Capacitors for microelectronics
    Structural components
    60s
  • Q7
    Which of the following materials is used in optical fibers for information technology?
    Aluminum oxide
    Brass
    Silica
    Polyethylene
    60s
  • Q8
    What is the primary reason for using polyethylene in food packaging?
    High strength
    Easily formed into thin, flexible, airtight film
    High electrical conductivity
    High thermal conductivity
    60s
  • Q9
    Which of the following is a property of metals and alloys?
    High electrical and thermal conductivity
    Low ductility
    Low strength
    High brittleness
    60s
  • Q10
    What is the primary reason for using alloy steels in automobile chassis?
    High thermal insulation
    Low cost
    High brittleness
    Significant strengthening by heat treatment
    60s
  • Q11
    Which of the following is an example of a composite material?
    Polyethylene
    Graphite-epoxy
    Silicon
    Brass
    60s
  • Q12
    What is the primary advantage of using composite materials?
    Lightweight and strong
    Low thermal conductivity
    High cost
    High brittleness
    60s
  • Q13
    Which of the following is a semiconductor material?
    Polyethylene
    Brass
    Aluminum
    Silicon
    60s
  • Q14
    What is the primary use of semiconductors in modern technology?
    Structural components
    Electrical insulation
    Thermal insulation
    Transistors and integrated circuits
    60s
  • Q15
    Which of the following is a property of ceramics?
    High ductility
    High strength under compression
    High electrical conductivity
    High thermal conductivity
    60s

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