PSA Airlines Canadair Regional Jet Systems (PSA-CRJ) Practice Exam

Emergency lights are powered from which type of batteries?

1. Non-rechargeable

2. Rechargeable

3. Lead-acid

4. Lithium-ion

The correct answer is: Rechargeable

The correct answer is that emergency lights are powered by rechargeable batteries. In the context of PSA Airlines Canadair Regional Jet Systems, emergency lighting systems are designed to provide illumination in the event of a power failure or emergency situation. Rechargeable batteries are advantageous for this application because they can be recharged during regular aircraft operations, ensuring that they are always maintained in a ready state for emergencies. Rechargeable batteries are often selected for their ability to hold power over extended periods and their capacity to be recharged consistently, making them well-suited for use in emergency lighting. This ensures reliability and reduces the need for frequent battery replacements, which would be necessary if non-rechargeable batteries were used. Moreover, regulations governing aircraft safety require robust and dependable emergency lighting systems, which aligns with the characteristics of rechargeable battery technology. In general, the chosen battery type for emergency equipment emphasizes longevity, maintainability, and effectiveness in the critical moments when safe evacuation and illumination are paramount.