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Multiple Choice Quiz
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1
Which of the following is an unusual reason for changing the physical condition of a steel part?
A)to make it harder
B)to make it softer
C)to relieve stress
D)to change its color
2
CRES refers to which of the following?
A)stainless steels
B)alloy steels
C)tool steels
D)aluminum alloys
3
Which personal protection equipment is required when heat treating metals?
A)steel shoe protectors
B)a face shield
C)gauntlet gloves and a protective, high temperature coat
D)all of these are correct
4
This is not a professional surface-hardening method:
A)gas carburizing
B)annealing
C)liquid salt case hardening
D)nitride gas hardening
5
Which of the following is not a step in the case hardening process?
A)quenching
B)heating
C)allowing absorption time in carbon compound
D)tempering





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