Engine: General Subjects

1. A Negative feedback is used to minimize instability by pushing the system in the same direction as the error displacement.
2. B Positive feedback is used to minimize instability by pushing the system in the same direction as the error displacement.
3. C Negative feedback is used to minimize instability by pushing the system in the opposite direction as the error displacement.
4. D Positive feedback is used to minimize instability by pushing the system in the opposite direction as the error displacement.

Tip: press A-D to answer