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ITI
Machinist
Machinist Set-1
Heat Treatment
32

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

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

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

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

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

35) The process of heating steel to about 40 Degree Centigrade above the upper critical temperature and cooling it in still air to room temperature is known as

Hardening

Annealing

Normalizing

Tempering

Answer is:

Normalizing

The process of heating steel to about 40 Degree Centigrade above the upper critical temperature and cooling it in still air to room temperature is known as

36) Which one of the following heat treatment processes produces a scale-free surface on the component ?

Flame hardening

Case hardening

Nitriding

Induction hardening

Answer is:

Induction hardening

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

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