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ARC AND GAS WELDING
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1) Which type of hardening used eddy current in the metal bar?
Flame hardening
Nitriding hardening
Induction hardening
Annealing hardening
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Correct Answer: Induction hardening
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1) Which type of hardening used eddy current in the metal bar?
Flame hardening
Nitriding hardening
Induction hardening
Annealing hardening
2) Which type of hardening used for cam shaft production?
Annealing
Carburising
Normalising
Induction hardening
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Correct Answer: Induction hardening
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2) Which type of hardening used for cam shaft production?
Annealing
Carburising
Normalising
Induction hardening
3) Which one is the heat treatment process?
Casting
Machining
Welding
Annealing
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Correct Answer: Annealing
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3) Which one is the heat treatment process?
Casting
Machining
Welding
Annealing
4) Which quenching media applied in the flame hardening process?
Still air
Oil bath
Brine solution bath
Water spray
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Correct Answer: Water spray
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4) Which quenching media applied in the flame hardening process?
Still air
Oil bath
Brine solution bath
Water spray
5) What is the purpose of hardening?
Increase ductility
Increase malleability
Increase strength
Increase brittleness
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Correct Answer: Increase strength
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5) What is the purpose of hardening?
Increase ductility
Increase malleability
Increase strength
Increase brittleness
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