Choose the correct answer1- In annealing, cooling is done in which of the following media:a- Airb- Waterc- Oild- Furnace2- In normalizing cooling is done in which the following medium:a-NaOHb-Polymerc-Brined-Air3-Miled steel ean be converted into high earbon steel by which of the following heattreatment process:a- Normalizingb- Annealingc- Nitridingd- Case hardening4-Which one of the following is the solid carburizing material:a-Charcoalb-NH4c-NAOHd-CH4

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Mechanical Engineering

1- In annealing, cooling is done in which of the following media:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Concept explainers

Strengthening of Alloys

Strengthening of the alloys is required as metals become weak due to various lattice defects, metal bonding phenomena. The strength of the metals is not enough for any mechanical work. The internal dislocations of any metals arise due to forming processes. Due to the movement of these dislocations, the metals are plastically deformed.

Question

Choose the correct answer
1- In annealing, cooling is done in which of the following media:
a- Air
b- Water
c- Oil
d- Furnace
2- In normalizing cooling is done in which the following medium:
a-NaOH
b-Polymer
c-Brine
d-Air
3-Miled steel ean be converted into high earbon steel by which of the following heat
treatment process:
a- Normalizing
b- Annealing
c- Nitriding
d- Case hardening
4-Which one of the following is the solid carburizing material:
a-Charcoal
b-NH4
c-NAOH
d-CH4

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