ELECTRICAL MAINTENANCE : TECHNICAL SCIENCE [Paper 1 and 2] – For 12th Standard

Part I :
1 Symbols Used In Electric Circuit
2 Circuit Diagram And Panel Writing Diagram
3 Fuses
4 Conductors, Guage of Conductor, Insulators, Semiconductors & High Resistance Heating Elements
5 Types of Wires & Wiring Accessories
6 Writing System
7 House Wriing, Godown Wiring, H. T. Wiring Diagrams & Rules
8 Undergraound Cables
9 Illumination
10 Electrical Appliances
Part II :
1 Transformers
2 Single Phase Motors
3 Theory of Roatating Magnetic Field and 3-Phase Induction Motors
4 Synchronous Motors
5 Measuring Instruments
6 Electric Heating
7 Parallel Operation of 3-Phase Alternators
8 H V Substation
9 Maintenance
10 Miscellaneous