DP Design Technology Questionbank

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• 18N.1.SL.TZ0.17: Which best describes the purpose of tempering? A. To increase the hardness of a metal B. To...
• 19N.1.SL.TZ0.18: Grain size of metals can be controlled and modified by the rate at which metal is allowed to cool...
• 20N.1.HL.TZ0.14: Which of the following are required to extract iron from its ore? I. Coke and limestone II. A...
• 18M.2.SL.TZ0.7a:

  List two disadvantages of using steel for the body of cars.

• 19M.2.SL.TZ0.6b:

  Explain why the recycling of steel-reinforced concrete is problematic.

• 19M.1.SL.TZ0.20: Which of the following is a heat treating process? A. Tempering B. Warping C. Seasoning D....
• 19M.1.SL.TZ0.22: Metals and metallic alloys are easily recyclable. Which of the following is an example of an...
• 19M.1.HL.TZ0.16: The grain size in a metal can affect the properties. Which of the following statements are...
• 17N.1.SL.TZ0.20: What process will increase the toughness of a metal? A. Normalizing B. Annealing C....
• 17N.1.SL.TZ0.19: Which combination of cooling type and grain structure is correct?
• 22M.2.SL.TZ0.5a:

  List two properties that made cast iron a suitable material for the Bailey Wood Plane.