Engine 2014: Motor Plants and Auxiliary Boilers

1. A The edges register with and just close off the ports without allowing oil flow.
2. B The edges are above the ports and oil under pressure supplies the power piston.
3. C The edges are above the ports and oil bleeds to the sump.
4. D The edges are in constant motion going both above and below the ports and governor stability is maintained.

Tip: press A-D to answer