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MCQs

Total Questions : 96 | Page 4 of 10 pages
Question 31. Which brass alloy has high tensile strength and can be used for cast molding?
  1.    Manganese brass
  2.    Free cutting brass
  3.    Standard brass
  4.    Gilding metal
 Discuss Question
Answer: Option A. -> Manganese brass
Answer: (a).Manganese brass
Question 32. Which brass alloy is suitable for high-speed machining?
  1.    Gilding metal
  2.    High tensile brass
  3.    Leaded brass
  4.    Muntz metal
 Discuss Question
Answer: Option C. -> Leaded brass
Answer: (c).Leaded brass
Question 33. Bell bronze is an alloy containing _______
  1.    78% Cu, 22% Sn
  2.    95.5% Cu, 3% Sn, 1.5% Zn
  3.    95% Cu, 3% Si, 1% Mn, 1% Fe
  4.    75% Cu, 5% Sn, 18% Pb, 2% Ni
 Discuss Question
Answer: Option A. -> 78% Cu, 22% Sn
Answer: (a).78% Cu, 22% Sn
Question 34. Tin content in bronzes is kept below 12% due to their tendency to become _______
  1.    Less conductive
  2.    Brittle
  3.    Radioactive
  4.    Less corrosion resistant
 Discuss Question
Answer: Option B. -> Brittle
Answer: (b).Brittle
Question 35. Which brass alloy is used to make imitation jewelry and decorative work?
  1.    Standard brass
  2.    Admiralty brass
  3.    Free cutting brass
  4.    Gilding metal
 Discuss Question
Answer: Option D. -> Gilding metal
Answer: (d).Gilding metal
Question 36. Which bronze alloy is commonly used as bearing alloy?
  1.    Phosphor bronze
  2.    Silicon bronze
  3.    Aluminum bronze
  4.    Leaded bronze
 Discuss Question
Answer: Option D. -> Leaded bronze
Answer: (d).Leaded bronze
Question 37. ______ is added to aluminum bronze to increase strength and hardness.
  1.    Nickel
  2.    Lead
  3.    Iron
  4.    Silicon
 Discuss Question
Answer: Option C. -> Iron
Answer: (c).Iron
Question 38. Copper coins are made using ______
  1.    Bell bronze
  2.    Aluminum bronze
  3.    Coinage bronze
  4.    Silicon bronze
 Discuss Question
Answer: Option C. -> Coinage bronze
Answer: (c).Coinage bronze
Question 39. Why is silicon bronze classified as a bronze alloy despite having no tin?
  1.    Due to strength
  2.    Due to its color
  3.    Due to ductility
  4.    Good machinability
 Discuss Question
Answer: Option B. -> Due to its color
Answer: (b).Due to its color
Question 40. Alloys containing copper, tin, and zinc are known as ______
  1.    Gunmetal
  2.    Bronze
  3.    Brass
  4.    Cupro-nickel
 Discuss Question
Answer: Option A. -> Gunmetal
Answer: (a).Gunmetal

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