ELECTRICAL SYSTEM Building Maintenance

1. What is electrical panel, types and single line diagram?
2. What is the HT panel, components and connection diagram?
3. What is the HT panel protection, types and diagram?
4. What is the LT panel, components and connection diagram?
5. What is the power distribution panel, components and connection diagram?
6. What is the power factor control panel and diagram?

Protection Relay

1. What is over current relay, connection diagram and working principle?
2. What is power factor control relay, connection diagram and working principle?
3. What is reverse power relay, connection diagram and working principle?
4. What is under voltage relay, connection diagram and working principle?
5. What is master trip relay, connection diagram and working principle?
6. What is trip circuit supervision relay, connection diagram and working principle?

Electrical Documentation

1. What is equipment logbook, types and why it is used?
2. What is the equipment health checklist?
3. What is SOP, description, types and why it is used?
4. What is preventive maintenance checklist and check points?
5. What is transformer logbook and details of parameters?
6. What is transformer maintenance checklist and checkpoints?

Circuit Breaker

1. What is MCB, types and functions?
2. What is RCCB, connection diagram and working principle?
3. What is MCCB, parts, circuit diagram and working principle?
4. What is safeties of MCCB, technical features and parameters?
5. What is ACB, parts, circuit diagram and working principle?
6. What is VCB, parts, circuit diagram and working principle?
7. What is GCB, parts, circuit diagram and working principle?

Electrical Safety

1. What is electrical safeties, types and descriptions?
2. What is the LOTO safety system and working procedure?
3. What is the LOTO safety kit, description and applications?
4. What is work permit, types, safety guidelines and why it is used?
5. What is electrical earthing, types, diagram and why it is used?
6. What is CCTV cameras, types, working procedure and diagram?

Equipment Maintenance

1. What is electrical maintenance, types and descriptions?
2. What is PPM- planned preventive maintenance and execution process?
3. What is PPM schedule, annual or 52 weeks Calender and description?
4. What is preventive maintenance checklist and checkpoints?
5. What is electrical panel maintenance, procedure and checkpoints?
6. What is Transformer maintenance, procedure and checkpoints?
7. What is motor maintenance, procedure and checkpoints?

Equipment Testing

1. What is earth resistance test, diagram, and testing procedures?
2. What is single phase motor test, diagram and testing procedure?
3. What is three phase motor test, diagram and testing procedure?
4. What is cable test with megger, testing, diagram and procedure?
5. What is transformer oil break down test and testing procedure?
6. What is HT protection relay test and testing procedure?
7. What is LT protection relay test and testing procedure?

Electrical Meters

1. What is single phase energy meter, diagram and tech features?
2. What is three phase energy meter, diagram and tech features?
3. What is prepaid energy meter, diagram and tech features?
4. What is multi function energy meter, diagram and tech features?
5. What is clamp meter, technical features and measuring process?
6. What is earth resistance meter, diagram and tech features?

UPS   VFD   Earthing

1. What is UPS, parts, types, working principle and block diagram?
2. What is UPS operation SOP and checkpoint of procedure?
3. What is VFD, parts, types, working principle and block diagram?
4. What is electrical earthing, parts, types and why it is used?
5. What is plate earthing, schematic diagram, parts and installation?
6. What is chemical earthing, schematic diagram, parts and installation?