CBT 2 ELECTRICAL ENGINEERING SYLLABUS

RRB JE CBT 2

Duration: 120 minutes (160 Minutes for eligible PwBD candidates accompanied by Scribe)

 No of Questions: 150

1) General Awareness :

 Knowledge of Current affairs, Indian geography, culture and history of India including freedom struggle, Indian Polity, and constitution, Indian Economy, Environmental issues concerning India and the World, Sports, General scientific and technological developments, etc.

 2) Physics and Chemistry: 

Up to 10th standard CBSE syllabus. 

 3) Basics of Computers and Applications: 

The architecture of Computers; input and Output devices; Storage devices, Networking, Operating System like Windows, Unix, Linux; MS Office; Various data representation; Internet and Email; Websites & Web Browsers; Computer Virus. 

4) Basics of Environment and Pollution Control:

 Basics of Environment; Adverse effect of environmental pollution and control strategies; Air, water and Noise pollution, their effect and control; Waste Management, Global warming; Acid rain; Ozone depletion.

 5) Technical Abilities: 

 Electrical & Allied Engineering

1. Basic concepts: Concepts of resistance, inductance, capacitance, and various factors affecting them. Concepts of current, voltage, power, energy and their units.
2. Circuit law: Kirchhoff‘s law, Simple Circuit solution using network theorems.
3. Magnetic Circuit: Concepts of flux, MMF, reluctance, Different kinds of magnetic materials, Magnetic calculations for conductors of different configuration e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self, and mutual induction.
4. AC Fundamentals: Instantaneous, peak, R.M.S. and average values of alternating waves, Representation of sinusoidal waveform, simple series and parallel AC Circuits consisting of R.L. and C, Resonance, Tank Circuit. Poly Phase system – star and delta connection, 3 phase power, DC and sinusoidal response of R-Land R-C circuit.
5. Measurement and measuring instruments: Measurement of power (1 phase and 3 phase, both active and reactive) and energy, 2 wattmeter method of 3 phase power measurement. Measurement of frequency and phase angle. Ammeter and voltmeter (both moving oil and moving iron type), the extension of range wattmeter, Multimeters, Megger, Energy meter AC Bridges. Use of CRO, Signal Generator, CT, PT, and their uses. Earth Fault detection.
6. Electrical Machines: (a) D.C. Machine – Construction, Basic Principles of D.C. motors and generators, their characteristics, speed control and starting of D.C. Motors. Method of braking motor, Losses, and efficiency of D.C. Machines. (b) 1 phase and 3 phase transformers – Construction, Principles of operation, equivalent circuit, voltage regulation, O.C., and S.C. Tests, Losses and efficiency. Effect of voltage, frequency, and waveform on losses. Parallel operation of 1 phase /3 phase transformers. Autotransformers. (c) 3 phase induction motors, rotating magnetic field, the principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, the effect of voltage and frequency variation on torque-speed characteristics, Fractional Kilowatt Motors and Single Phase Induction Motors: Characteristics and applications. 
7. Synchronous Machines: Generation of 3-phase e.m.f. armature reaction, voltage regulation, parallel operation of two alternators, synchronizing, control of active and reactive power. Starting and applications of synchronous motors.
8. Generation, Transmission, and Distribution: Different types of power stations, Load factor, diversity factor, demand factor, cost of generation, inter-connection of power stations. Power factor improvement, various types of tariffs, types of faults, short circuit current for symmetrical faults.
9. Switchgear and Protection: Rating of circuit breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection against earth leakage / over current, etc. Buchholz relay, Merz-Price system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, various transmission and distribution system, comparison of conductor materials, the efficiency of a different system. Cable – Different type of cables, cable rating and derating factor. 
10. Estimation and costing: Estimation of lighting scheme, electric installation of machines and relevant IE rules. Earthing practices and IE Rules.
11. Utilization of Electrical Energy: Illumination, Electric heating, Electric welding, Electroplating, Electric drives, and motors.
12. Basic Electronics: Working of various electronic devices e.g. P N Junction diodes, Transistors (NPN and PNP type), BJT and JFET. Simple circuits using these devices.