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  • What didn’t Dad give John for his birthday?
    • a pie
    • a poster
    • a cake
    • a bunny
    Added by an anonymous user : 30th March : Source

    1

  • what causes type 1 diabetes?
    • Genetics
    • Obesity
    • Poor Diet
    Added by user342 : 4th March

    1

  • pearlite is a mixture of which of the following?
    • Ferrite and Cementite
    • Cementite and Austenite
    • Cementite and Martensite
    Added by an anonymous user : 3rd March

    1

  • The Impact test is used to determine the__________of the material.
    • Ductility
    • Strength
    • Toughness
    Added by an anonymous user : 21st January

    2

  • Stress-relief annealing temperature from ....................... .
    • 1000 to 1200°F
    • 1333 to 1554°F
    • 967 to 1000°F
    • 500 to 750°F
    Added by emad : 11th January

    4

  • What is the purpose of annealing ?
    • Improve magnetic properties
    • Refine the grain and induce softness
    • Improve machinability
    • Improve electrical properties
    • All of Them
    Added by emad : 10th January

    3

  • ANNEALING is a generic term denoting a treatment that consists of heating to and holding at a suitable temperature followed by cooling at an appropriate rate, primarily for the softening of metallic materials.

    The Annealing temperature is .......................... .
    • 25°C
    • 100°C
    • 50°C
    • 723°C
    Added by emad : 10th January

    3

  • The heat treatment is defined a combination of heating operation, timed and applied to a metal or alloy, in the solid state in a way that will produced desired properties.
    • False
    • True
    Added by emad : 10th January

    3

  • All basic heat treatment process for steel involve ................................................ .
    • the transformation or decomposition of martensite
    • the transformation or decomposition of austenite
    • the transformation or decomposition of pearlite
    • the transformation or decomposition of austenite and pearlite
    Added by emad : 10th January

    4

  • Total slip system in FCC crystal ?
    • 6
    • 4
    • 12
    • 8
    Added by an anonymous user : 4th January

    5

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