ENTC 207 Exam II review 2023 updated to pass
ENTC 207 Exam II reviewCold Work Prefixes - correct answer W (water hardening), O (oil quenching), A (air hardening), D (high C, high Cr) Shock Resisting Prefix - correct answer S Hot Work Prefixes - correct answer H H10-H19 (chromium types) H20-H39 (tungsten types) H40-H59 (molybdenum types) High Speed Prefixes - correct answer M (molybdenum) T (tungsten) Mold Steels Prefix - correct answer P Special Purpose Steels Prefix - correct answer L Safety in hardening - correct answer Risk of damage form the hardening (quench cracks) Depth of hardening - correct answer hardenability, through hardeing (high alloy steels have better depth of hardening) Size change in hardening - correct answer very important for design net part size change after hardening and tempering Resistance to decarburization - correct answer scale, oxidation of surface during heat treatment
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- October 16, 2023
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