BEEE (Diploma Mechanical Engineering 3rd)

1. Application and Advantage of Electricity (04 hrs)

Difference between ac and dc, various applications of electricity, advantages of

electrical energy over other types of energy

2. Basic Electrical Quantities (04 hrs)

Definition of voltage, current, power and energy with their units, name of

instruments used for measuring above quantities

3. Electromagnetic Induction (04 hrs)

Production of e.m.f., idea of a transformer and its working principle

4. Transmission and Distribution System (08 hrs)

Key diagram of 3 phase transmission and distribution system, Brief functions of

accessories of transmission line. Difference between high and low voltage

distribution system, identification of three-phase wires, neutral wire and earth wire

in a low voltage distribution system. Identification of voltages between phases and

between one phase and neutral. Difference between three-phase and single-phase

supply. Arrangement of supply system from pole to the distribution board, function of service line, energy meter, main switch, distribution board

5. Domestic Installation (08 hrs)

Various types of domestic circuits, various accessories and parts of domestic

electrical installation. Identification of wiring systems, staircase installation

6. Electric Motors and Pumps (10 hrs)

Definition and various applications of single-phase and three-phase motors.

Connection and starting of three-phase induction motors by star-delta starter.

Conversion of horse power in watts or kilowatts, Type of pumps and their

applications, difference between direct online starter and star delta starter, characteristics and applications of servo motors.

7. Electrical Safety (04hrs)

Electrical shock and precautions against shock, treatment of electric shock,

concept of fuses and their classification, selection and application, concept of

earthing and various types of earthing, applications of MCBs and ELCBs

8. Basic Electronics (06hrs)

Basic idea of semiconductors – P and N type; diodes, zener diodes and their

applications, transistor – PNP and NPN, symbols, identification of terminals of

transistor, current flowing in a transistor, its characteristics and uses.

Characteristics and applications of a thyristor