Daily Quiz on SSC / State Electricity Boards JE Electrical Exams

***(At the end of the Syllabus Below, you can find the links of Daily Quizzes to attempt directly if you missed any quiz)

Hi Aspirants,
As we are aware of the various opportunities available for Electrical Engineering in govt. departments such as SSC JE, State Power & Electricity boards, State level PSC, State level SSC. BYJU'S Exam Prep started Daily Quiz of 8 Questions from 9th Oct 2018. The quiz comes live on BYJU'S Exam Prep daily at 3 PM.

Junior Engineer Electrical (EE) Engineering Subjects and Topics:

1. Basic Concepts

• Concepts of resistance, inductance, capacitance, and various factors affecting them.
• Concepts of current, voltage, power, energy and their units.
• Circuit law: Kirchhoff‘s law, Simple Circuit solution using network theorems.

2. 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.

3. 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.

4. Measurement and measuring instrument

• 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 coil and moving iron type).
• extension of range watt-meter, Multi-meters, Megger, Energy meter AC Bridges.
• Use of CRO, Signal Generator, CT, PT and their uses. Earth Fault detection.

5. 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.
• Auto-transformers.

(C) Single Phase Induction Motors

• Characteristics and applications.

(D) 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.

(E) 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.

6. Power 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.
• Switchgear & Protection Scheme– rating of circuit breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection against earth leakage / over current, etc.
• Buchholtz 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 the different system.
• Cable – Different type of cables, cable rating and derating factor.

7. Estimation and costing

• Estimation of lighting scheme, electric installation of machines and relevant IE rules.
• Earthing practices and IE Rules.
• Utilization of Electrical Energy: Illumination, Electric heating, Electric welding, Electroplating, Electric drives and motors.

8. 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.

**LIST OF Daily Quizzes  for Quick Access**

Will continue till SSE JE/Other Electricity Boards Exams...

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ALL THE VERY BEST

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Team BYJU'S Exam Prep.