Engine: Motor Plants and Auxiliary Boilers

1. A Whereas the clutch air pressure is critical, the dryness and cleanliness of the clutch air are of secondary concern.
2. B Whereas the cleanliness of clutch air is critical, the dryness and pressure are clutch air are of secondary concern.
3. C Whereas the dryness of clutch air is critical, the pressure and cleanliness of the clutch air are of secondary concern.
4. D The pressure, dryness, and cleanliness of clutch air are all critical to successful pneumatic propulsion control operations.

Tip: press A-D to answer