Chapters 3 & 4 Chapter 3 1. An expected advantage of an electronic control system as compared to any other type of system would be they have great sensitivity. 2. A self contained automatic control system requires no external power. 3. As compared to lightly constructed controllers, heavy constructed controllers usually have les sensitivity. 4. None of fours answers are correct. 5. The primary power source in all control systems classifies the system. 6. Like electrical systems, electronic systems use electricity as the primary power source. 7. Pneumatic systems use an air compressor as the energy source. 8. The actuators of electrical control systems usually of the solenoid type or the motor type. 9. The thermostatic expansion valve is an example of a self contained control. True 10. A safety rule that should never be violated is the tagging and lock out of the electrical disconnect before working on the equipment. True Chapter 4