23. To secure grain refinement and reduce grain size, in heat treatment techniques isobtained at:a. Annealingb. Normalizingc. Hardeningd. Tamperinge. Curborizationf. Quenching24. The carbon content is from 0.03 to 1.7 percent is:a. Super alloysb. wrought ironc. Steeld. Stainless Steele. cast iron25. (Choose incorrect sentences)a. Body-Centered Cubic (BCC)b. Face-Centered Cubic (FCC)c. Hexagonal Cubic-Packed (HCP)d. None26. In Classification of Alloys Structure "Interstitial" is considered one of the branches ofalloying structure of:a. Solid solutionc. Any combination of solid phase (pure metal, solid solution)b. Compound (intermediate alloy phase)27. It is used for engine blocks, pistons, stove castings:a. Super alloysb. wrought ironc. Steeld. Stainless Steele. cast iron28. The metal is kept at the achieved temperature for some period of time. The timerequired depends on the type of metals and the type of mechanical propertiesexpected, it called:a. Heatingb. Holdingc. Cooling

Heat treatment processes are used for the alteration in the specific properties of the material.

23. To secure grain refinement and reduce grain size, in heat treatment techniques is obtained at: a. Annealing b. Normalizing c. Hardening d. Tampering e. Curborization f. Quenching 24. The carbon content is from 0.03 to 1.7 percent is: a. Super alloys b. wrought iron c. Steel d. Stainless Steel e. cast iron

23. To secure grain refinement and reduce grain size, in heat treatment techniques is obtained at: a. Annealing b. Normalizing c. Hardening d. Tampering e. Curborization f. Quenching 24. The carbon content is from 0.03 to 1.7 percent is: a. Super alloys b. wrought iron c. Steel d. Stainless Steel e. cast iron

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter26: Welding Metallurgy

Section: Chapter Questions

Problem 12R: What is a eutectic composition?

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