Engine: Motor Plants and Auxiliary Boilers

1. A Exhaust valves and seats, upper circumference of cylinder liner.
2. B Exhaust valves, exhaust valve seats, piston crowns, cylinder heads and upper circumference of cylinder liners.
3. C High temperature corrosion does not effect these components.
4. D Undersides of cylinder heads, piston crown and exhaust valve.

Tip: press A-D to answer