General Studies · Internal Combustion Engines
What is the primary function of valve seats in an internal combustion engine block or cylinder head?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To provide continuous lubrication to the valve stem
- 2To mechanically govern the variable valve timing
- 3To prevent compressed gases and combustion products from leaking into the manifold✓
- 4To act as a thermal barrier that absorbs no heat from the cylinder block
Correct answer
To prevent compressed gases and combustion products from leaking into the manifold
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