Foreman Electrical Plant Maintanance Interview Questions and Answers

Motors and transformers are protected by various methods such as fuses, circuit breakers, overload relays, and thermal protectors.

• Fuses are used to protect against short circuits and overloads.

• Circuit breakers are used to protect against overloads and faults.

• Overload relays are used to protect against overloads.

• Thermal protectors are used to protect against overheating.

• Transformers are also protected by surge arresters and lightning arresters.

• Proper grounding and insulation a...read more

PM activities on motors and transformers involve regular inspection, testing, and maintenance to ensure optimal performance and prevent breakdowns.

• Inspect motor and transformer components for signs of wear and tear

• Test insulation resistance and perform oil analysis on transformers

• Clean and lubricate moving parts

• Tighten loose connections and replace faulty components

• Schedule regular maintenance based on manufacturer recommendations

• Keep detailed records of maintenance activitie...read more

Name plate details of motors and transformers include information such as voltage, current, power rating, frequency, and efficiency.

• Name plate details are important for proper maintenance and troubleshooting of electrical equipment.

• Motor name plates typically include information such as horsepower, voltage, current, speed, and efficiency.

• Transformer name plates typically include information such as kVA rating, primary and secondary voltage, and impedance.

• Name plate details ca...read more