General Studies · Machining and Machine Tools
In drilling operations, the primary function of a coolant is to ______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1pre-heat the drill bit before cutting starts
- 2intentionally reduce the durability of the drill bit
- 3cool down the drill bit and flush out chips✓
- 4chemically clean the surface of the drill bit
Correct answer
cool down the drill bit and flush out chips
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