Engine 2014: Motor Plants and Auxiliary Boilers

1. A The shuttle valve compensates for any decrease in the operator's physical abilities.
2. B The three position valve prevents the fuel flow reaching the fuel injection pumps.
3. C This unit controls the air operated turning motor exhaust  when the unit is in operation.
4. D The unit shown is used to prevent starting of the main engine when the turning gear is engaged.

Tip: press A-D to answer