Engine: Motor Plants and Auxiliary Boilers

1. A The effective volume of air passing through intake valves is less than the effective volume of air passing through exhaust valves
2. B Intake valves are not affected by the corrosive action of exhaust gases
3. C The beveled edges of the intake valves provide for self-centering during seating
4. D Intake valves utilize stellite-coated valve seat inserts which reduce wear

Tip: press A-D to answer