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1) What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
Soaking
Heating
Quenching
Hardening
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Correct Answer: Soaking
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1) What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
Soaking
Heating
Quenching
Hardening
2) What is the purpose of brine solution, water, oil and air used in heat treatment process?
Soaking
Quenching
Heating
Austenite
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Correct Answer: Quenching
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2) What is the purpose of brine solution, water, oil and air used in heat treatment process?
Soaking
Quenching
Heating
Austenite
3) What quenching media is used for special alloy steels?
Brine solution
Water
Oil
Cold Air
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Correct Answer: Cold Air
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3) What quenching media is used for special alloy steels?
Brine solution
Water
Oil
Cold Air
4) What is the heat treatment process of reheating the hardened steel to a temperature below 400 Degree Centigrade followed by cooling?
Tempering
Hardening
Annealing
Normalising
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Correct Answer: Tempering
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4) What is the heat treatment process of reheating the hardened steel to a temperature below 400 Degree Centigrade followed by cooling?
Tempering
Hardening
Annealing
Normalising
5) What is the advantage of annealing ?
To relieve the internal stress
To add cutting ability
To refine the grain structure of the steel
To increase wear resistance
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Correct Answer: To relieve the internal stress
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5) What is the advantage of annealing ?
To relieve the internal stress
To add cutting ability
To refine the grain structure of the steel
To increase wear resistance
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