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Machinist
Machinist Set-1
Heat Treatment
30

Heat Treatment MCQ - Machinist(Set-1) with Answers

30) What is the hardening temperature for H.S.S. tool ?

1250 Degree Centigrade

950 Degree Centigrade

850 Degree Centigrade

750 Degree Centigrade

Answer is:

1250 Degree Centigrade

Heat Treatment MCQ - Machinist(Set-1) with Answers

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Related Heat Treatment MCQ - Machinist(Set-1) with Answers

31) Which one of the following is the purpose of tempering a hardened steel component ?

To increase toughness

To increase ductility

To increase hardness

To reduce hardness

Answer is:

To increase toughness

32) While normalizing the steel should be cooled

In still air to room temperature

In oil

By forced air

In water

Answer is:

In still air to room temperature

While normalizing the steel should be cooled

33) The process of increasing carbon percentage on the surface of Low-carbon steel is known as

Hardening

Nitriding

Carburizing

Tempering

Answer is:

Carburizing

34) The process of producing a component with tough and ductile core and a hard outer surface is known as

Hardening

Case Hardening

Tempering

Annealing

Answer is:

Case Hardening

Heat Treatment MCQ - Machinist(Set-1) with Answers

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