Physics · Material Science
Consider the following statements regarding heat treatment processes: 1. Tempering is a process of annealing bainite at low temperatures. 2. Machine tool guideways are hardened by flame hardening. 3. The aim of full annealing is to reduce ductility and resilience. 4. Guideways of lathe beds are hardened by carburising. Which of the given statements are INCORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12, 3 and 4
- 21, 2 and 3
- 31, 3 and 4✓
- 41, 2 and 4
Correct answer
1, 3 and 4
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