Alloy Steels MCQ

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• Alloy steels containing 0.05% to 0.15% of alloying elements are called _______
  ক

  Weathering steel

  খ

  Stainless steel

  গ

  Tool and die steel

  ঘ

  Microalloyed steel
• What is the common name of COR-TEN steel?
  ক

  Weathering steel

  খ

  Control-rolled steel

  গ

  Pearlite-reduced steel

  ঘ

  Microalloyed steel
• Which family of steels are referred to as chromoly?
  ক

  40xx

  খ

  41xx

  গ

  43xx

  ঘ

  44xx
• Which of the following groups of alloying elements stabilize austenite?
  ক

  Ni, Mn, Cu, and Co

  খ

  Cr, W, Mo, V, and Si

  গ

  Cr, W, Ti, Mo, Nb, V, and Mn

  ঘ

  Co, Al, and Ni
• Steels containing more than 5% of one or more alloying elements are known as ________
  ক

  HSLA steels

  খ

  High alloy steels

  গ

  Tool and die steels

  ঘ

  Stainless steels
• Which of these is not an application of HSLA steels?
  ক

  Bridges

  খ

  Automobiles and trains

  গ

  Building columns

  ঘ

  Leaf and coil springs
• What does AISI steel stand for?
  ক

  American-Indian Steel Institute

  খ

  American-Indian Society of Iron

  গ

  American Iron and Steel Institute

  ঘ

  Alloys, Iron and Steel Institute
• Steels containing up to 3% to 4% of one or more alloying elements are known as ________
  ক

  Low alloy steels

  খ

  HSLA steels

  গ

  High alloy steels

  ঘ

  Stainless steels
• What kind of steel requires definite amounts of other alloying elements?
  ক

  Carbon steel

  খ

  Alloying steel

  গ

  Stainless steel

  ঘ

  Tool steel