Cleaning air filters, removing dust from the rotor, checking the air gap (typically 1.5 to 2 mm) with a feeler gauge, and inspecting slip rings and carbon brushes. Safety & Regulations
Accept the alarm and isolate breakers one by one to locate the source. Common causes include damaged conductor insulation, dampness, or accumulated dirt. What tasks are performed? Meo Class 4 Electrical Oral Questions And Answers
Verify connections, check if the breaker has tripped (reset if so), ensure supply from the Main Switchboard (MSB), and check for single-phasing. Cleaning air filters, removing dust from the rotor,
Practical scenarios often focus on what to do when things go wrong in the engine room. What are your primary checks? What tasks are performed
Safety is a critical "Function 3" topic for Class 4 candidates. Why are they provided?
Weekly for unloaded battery starts and monthly for automatic start and hydraulic start functionality. Steering Gear Special Requirements
To safeguard essential machinery (like steering gear) by automatically disconnecting non-essential services (like AC or galley power) during a partial overload.