Engine: Motor Plants and Auxiliary Boilers

1. A If the locking handle is in any position other than 'zero', the output of the pneumatic valve will equal the input.
2. B The indicated valve prevents transmission of transient signals to the governor speeder spring.
3. C The valve with finite positioning is used to segregate terminal signals originated by the governor whenever the throttle is repositioned.
4. D If the throttle is manually moved from its 'zero' position, the resulting effect will tend to override the output of the governor, and secure the air to the control circuit.

Tip: press A-D to answer