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Questions and Answers
Which of the following statements best describes heat treatment?
Which of the following statements best describes heat treatment?
- A process that involves only heating a metal or alloy to produce desired properties
- A process that involves applying pressure to a metal or alloy to produce desired properties
- A process that involves only cooling a metal or alloy to produce desired properties
- A process that involves heating and cooling operations applied to a metal or alloy to produce desired properties (correct)
What is the purpose of heat treatment?
What is the purpose of heat treatment?
- To heat a metal or alloy to its melting point
- To cool a metal or alloy to room temperature
- To prevent the transformation of austenite in steel
- To obtain certain desired properties in a metal or alloy (correct)
What is the basis of heat treatment for steel?
What is the basis of heat treatment for steel?
- Transformation or decomposition of pearlite
- Transformation or decomposition of austenite (correct)
- Transformation or decomposition of ferrite
- Transformation or decomposition of cementite
What do the final properties of heat treated steel depend on?
What do the final properties of heat treated steel depend on?
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What are the two important types of heat treatments discussed in this course?
What are the two important types of heat treatments discussed in this course?
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