Electrical

Marine Electrical Oral Questions & Practical Answers (Batteries, DC Systems & Measurements)

⚡ Marine ElectricalOral Questions & Practical AnswersPart 5 – Batteries, DC Systems & MeasurementsDC systems explained clearly — the part most engineers underestimate.1. What is Direct Current (DC)?Direct Current is the unidirectional flow of current.It flows in one direction only.2. Where is DC mainly used onboard ships?DC supply is commonly used for:Navigation systemsControl circuitsAlarm systemsEmergency lightingCommunication equipmentBattery-backed safety systems3. Why is DC preferred for control and s...