Question

which of the following is not a heat treatment process? a) annealing b) normalizing c)tempering d) rolling
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Answer 1

Which of the following is not a heat treatment process?

a) annealing

b) normalizing

c)tempering

d) rolling √

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Answer 2

Answer:

Rolling, tempering, annealing, normalising, and (A) The heat treatment process uses the procedures of tempering, annealing, and normalising. While rolling is a technique for shaping metal.

Explanation:

Step : 1 It involves heating steel to the austenite temperature, maintaining it there, and then quenching it in water, oil, or molten salt baths. The austenite can be supercooled to martensite point by cooling faster than the critical value. Rolling, tempering, annealing, normalising, and (A) The heat treatment process uses the procedures of tempering, annealing, and normalising. While rolling is a technique for shaping metal. But for us, this beauty turns into a never-ending source of delight. Annealing, case hardening, precipitation strengthening, tempering, carburizing, normalising, and quenching are all heat treatment processes.

Step : 2 The most common heat treatment methods include:

Annealing.

Normalising.

Hardening.

Ageing.

Stress relieving.

Tempering.

Carburisation.

Step : 3 The four primary heat treatments that steel receives today—annealing, normalising, hardening, and tempering—will be discussed in this article. While indirect process heating systems use one or a combination of the three thermal transfer methods (conduction, convection, and radiation) to move heat energy from the source to the material, direct process heating systems deliver heat energy directly to the material.

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