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MCQs

Total Questions : 96 | Page 10 of 10 pages
Question 91. High conductivity copper is used ______
  1.    In electrical engineering
  2.    To reduce porosity
  3.    To raise softening temperature
  4.    To manufacture semiconductor elements
 Discuss Question
Answer: Option A. -> In electrical engineering
Answer: (a).In electrical engineering
Question 92. α brasses contain ______ of zinc.
  1.    0%
  2.    <=36%
  3.    >36%
  4.    100%
 Discuss Question
Answer: Option B. -> <=36%
Answer: (b).<=36%
Question 93. Addition of tellurium to copper results in ________
  1.    High strength
  2.    Decreased electrical conductivity
  3.    Increased machinability
  4.    No effect
 Discuss Question
Answer: Option C. -> Increased machinability
Answer: (c).Increased machinability
Question 94. _______ is an alloy of copper and tin.
  1.    Brass
  2.    Bronze
  3.    Gunmetal
  4.    Cupro-nickel
 Discuss Question
Answer: Option B. -> Bronze
Answer: (b).Bronze
Question 95. Yellow metal is more commonly known as ______
  1.    Cartridge brass
  2.    Naval brass
  3.    Admiralty brass
  4.    Muntz metal
 Discuss Question
Answer: Option D. -> Muntz metal
Answer: (d).Muntz metal
Question 96. What is the appearance of copper?
  1.    Gold
  2.    Blue
  3.    Yellow-green
  4.    Red-orange
 Discuss Question
Answer: Option D. -> Red-orange
Answer: (d).Red-orange

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