Engineering Board Exam Reviewer · Engineering Materials · medium

Heating steel into the austenite region and cooling it in still air is called:

1. Full annealing
2. Quenching
3. Normalizing
4. Austempering

Answer

C. Normalizing

Solution

It produces fine pearlite, giving higher strength than annealing.

More Engineering Materials questions

1. Heating steel into the austenite region and cooling it slowly in the furnace is called:
2. A steel with less than 0.76% carbon is called a:
3. The very hard, brittle microconstituent formed by rapidly quenching austenite is:
4. The lamellar mixture of ferrite and cementite formed by the eutectoid reaction in steel is called:
5. The BCC phase of iron (α-iron) at room temperature is called:
6. Iron carbide ( Fe3C) is also called:
7. The eutectic composition in the iron–iron carbide system is approximately:
8. The eutectoid temperature in the iron–iron carbide system is approximately:
9. In the iron–carbon system, the eutectoid composition is about:
10. A reaction in which one solid phase transforms into two other solid phases on cooling is called a/an:

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