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Questions and Answers
Which of the following is a common non-ferrous engineering material used for high-temperature applications?
Which of the following is a common non-ferrous engineering material used for high-temperature applications?
- Stainless steel
- Mild steel
- Cast iron
- Titanium alloy (correct)
What is the primary purpose of quenching in the heat treatment of steel?
What is the primary purpose of quenching in the heat treatment of steel?
- To enhance ductility and toughness by controlled heating
- To increase hardness and strength by rapid cooling (correct)
- To reduce brittleness by slow cooling
- To improve machinability by annealing
What is the purpose of adding chromium to stainless steel?
What is the purpose of adding chromium to stainless steel?
- Enhance corrosion resistance (correct)
- Reduce density
- Improve ductility
- Increase electrical conductivity
