Engine 2014: Motor Plants and Auxiliary Boilers

1. A the beveled edges of the intake valves provide for self-centering during seating
2. B intake valves utilize stellite-coated valve seat inserts which reduce wear
3. C the effective volume of air passing through intake valves is less than the effective volume of air passing through exhaust valves
4. D intake valves operate at lower temperatures due to the cooling effect of the intake air flow across the valve

Tip: press A-D to answer