Welding of Various Metals MCQ

Test your knowledge with important Welding of Various Metals MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Welding of Various Metals MCQs at Bissoy

• Carbon steels can be fusion welded.
  ক

  True

  খ

  False
• Low carbon steels need not be preheated before welding.
  ক

  True

  খ

  False
• What is the temperature needed for preheating in cast irons?
  ক

  550°C

  খ

  600°C

  গ

  650°C

  ঘ

  700°C
• Which of the following is not a material used for making an electrode in metal arc welding, for treating stainless steels?
  ক

  Niobium

  খ

  Columbium

  গ

  Titanium

  ঘ

  Potassium
• Stainless steels are annealed at what temperature?
  ক

  650°C – 700°C

  খ

  700°C – 750°C

  গ

  750°C – 800°C

  ঘ

  800°C – 850°C
• Which among the following methods is best suited for stainless steels?
  ক

  Electric butt welding

  খ

  Seam welding

  গ

  Flux coated arc welding

  ঘ

  Oxy-hydrogen welding
• Which of the following material is not used in alloy steels?
  ক

  Molybdenum

  খ

  Nickel

  গ

  Chromium

  ঘ

  Sodium
• Up to what percent of carbon content in steel, it is not required to preheat it?
  ক

  0.25% – 0.3%

  খ

  0.3% – 0.35%

  গ

  0.35% – 0.4%

  ঘ

  0.4% – 0.45%
• High alloys steels are preheated up to what temperature?
  ক

  350°C

  খ

  400°C

  গ

  450°C

  ঘ

  500°C
• Which of the following methods cannot be used for welding carbon steel?
  ক

  Arc welding

  খ

  Gas welding

  গ

  Ultrasonic welding

  ঘ

  Forge welding