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Questions and Answers
What type of electrical system is used in this aircraft?
What type of electrical system is used in this aircraft?
- DC with a negative ground (correct)
- AC with a positive ground
- DC with a positive ground
- AC with a negative ground
What is the role of the overvoltage relay in the electrical system?
What is the role of the overvoltage relay in the electrical system?
- To illuminate cockpit instruments
- To protect equipment from voltage spikes (correct)
- To regulate the battery charge
- To generate electrical energy
Which of the following components is included in the aircraft's lighting system?
Which of the following components is included in the aircraft's lighting system?
- Engine compartment lights
- High-beam headlights
- Nose mounted landing light (correct)
- Exterior fog lights
How is electrical energy generated in the aircraft?
How is electrical energy generated in the aircraft?
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What does the alternator control unit primarily consist of?
What does the alternator control unit primarily consist of?
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Study Notes
Electrical System Overview
- The system operates on direct current (DC) with a negative ground configuration.
- Power generation is facilitated by two engine-driven alternators.
- Electrical energy is stored in a battery for later use.
Alternator Protection
- Each alternator features a control unit that includes a voltage regulator.
- An overvoltage relay is integrated within the control unit to safeguard electrical and avionics equipment.
- The relay activates in response to regulator malfunctions, preventing potential damage.
Lighting System for Night Operations
- The lighting configuration includes:
- Nose-mounted landing light for visibility during takeoff and landing.
- Anti-collision lights to enhance aircraft visibility to others.
- Navigation lights assisting in positioning during flight.
- Instrument illumination for visibility of cockpit instruments in low light.
- Further details on the lighting system can be found in Chapter 33.
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