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Sustainable Manufacturing - CHAPTER 3
  • Odeta Shyti

  • 問題数 24 • 8/5/2024

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  • 1

    CHAPTER 3. Riser are used the shrinkage of metal after solidification

    F

  • 2

    CHAPTER 3. Riser are positioned near the pouring basin of the casting systems

    F

  • 3

    CHAPTER 3. The cooling modulus of a sphere is greater than of a cylinder with the same volume

    V

  • 4

    CHAPTER 3. In permanente mould casting, large draft angles are not necessary

    F

  • 5

    CHAPTER 3. The investment casting process is a permanent pattern casting process

    F

  • 6

    CHAPTER 3. Investment casting is a technique using a temporary mould

    V

  • 7

    CHAPTER 3. In permanent mould casting processes, it is advisable to pre-heat the mould before starting production

    V

  • 8

    CHAPTER 3. In precision casting, ceramic materiale are used for moulding of the metals have a low melting point

    F

  • 9

    CHAPTER 3. Not all products from casting processes require subsequent machining

    V

  • 10

    CHAPTER 3. Centrifugal casting utilizes centrifugal force

    V

  • 11

    CHAPTER 3. Centrifugal casting is normally performed on a machine called milling machine

    F

  • 12

    CHAPTER 3. S.L.M casting is normally performed on a machine called a cut-off machine

    F

  • 13

    CHAPTER 3. Shell casting dose not lead to thermal distortion in the workpiece

    F

  • 14

    CHAPTER 3. The investment casting moulding process is suitable for the production of large parte (weight > 1 tonne )

    F

  • 15

    CHAPTER 3. The melting temperature of hot chamber injectable alloys is on average higher than that of cold chamber injectable alloys

    F

  • 16

    CHAPTER 3. The melting temperature of hot chamber injectable alloys is on average lower than that of cold chamber injectable alloys

    V

  • 17

    CHAPTER 3. In transient moulding processes, the draft angles of the model depend on the alloy to be cast

    F

  • 18

    CHAPTER 3. Risers are used for the shrinkage of metals

    F

  • 19

    CHAPTER 3. Vert heavy casting greater than one tonne are used for pit moulding

    V

  • 20

    CHAPTER 3. Investment casting is a transient casting tecnique

    V

  • 21

    CHAPTER 3. It is possible to produce parts with undercuts through stamping

    F

  • 22

    CHAPTER 3. No workpiece deformation angles are required in transient forming procsses with a disposable pattern

    V

  • 23

    CHAPTER 3. Continuous casting is performed on machine called mechanical press

    F

  • 24

    CHAPTER 3. Pit forming is suitable for large pieces

    V