Paper Subject No. of Questions
Electrical Engineering
& General
Awareness and
Numerical Ability.
100 Questions
(Electrical Engineering: 80
Questions and General
Awareness and
Numerical Ability: 20
120 100
Section-A: 80 Marks.
Electrical Engineering
a). Engineering Mathematics
Linear Algebra: Matrix Algebra, Systems of linear equations, Eigenvalues,
Calculus: Mean value theorems, Theorems of integral calculus, Evaluation
of definite and improper integrals, Partial Derivatives, Maxima and minima,
Multiple integrals, Fourier series, Vector identities, Directional derivatives,
Line integral, Surface integral, Volume integral, Stokes’s theorem, Gauss’s
theorem, Green’s theorem.
Differential equations: First order equations (linear and nonlinear), Higher
order linear differential equations with constant coefficients, Method of
variation of parameters, Cauchy’s equation, Euler’s equation, Initial and
boundary value problems, Partial Differential Equations, Method of
separation of variables.
Complex variables: Analytic functions, Cauchy’s integral theorem,
Cauchy’s integral formula, Taylor series, Laurent series, Residue theorem,
Solution integrals.
Probability and Statistics: Sampling theorems, Conditional probability,
Mean, Median, Mode, Standard Deviation, Random variables, Discrete
and Continuous distributions, Poisson distribution, Normal distribution,
Binomial distribution, Correlation analysis, Regression analysis.
Numerical Methods: Solutions of nonlinear algebraic equations, Single and
Multi‐step methods for differential equations.
Transform Theory: Fourier Transform, Laplace Transform, z‐Transform.
b). Electric Circuits
Network graph, KCL, KVL, Node and Mesh analysis, Transient response of dc
and ac networks, Sinusoidal steady‐state analysis, Resonance, Passive
filters, Ideal current and voltage sources, Thevenin’s theorem, Norton’s
theorem, Superposition theorem, Maximum power transfer theorem,
Two‐port networks, Three phase circuits, Power and power factor in ac
c) Electromagnetic Fields
Coulomb’s Law, Electric Field Intensity, Electric Flux Density, Gauss’s Law,
Divergence, Electric field and potential due to point, line, plane and
spherical charge distributions, Effect of dielectric medium, Capacitance of
simple configurations, Biot‐Savart’s law, Ampere’s law, Curl, Faraday’s law,
Lorentz force, Inductance, Magnetomotive force, Reluctance, Magnetic
circuits,Self and Mutual inductance of simple configurations.
d). Signals and Systems
Representation of continuous and discrete‐time signals, Shifting and scaling
operations, Linear Time Invariant and Causal systems, Fourier series
representation of continuous periodic signals, Sampling theorem,
Applications of Fourier Transform, Laplace Transform and z-Transform.
e). Electrical Machines
Single phase transformer: equivalent circuit, phasor diagram, open circuit
and short circuit tests, regulation and efficiency; Three phase transformers:
connections, parallel operation; Auto‐transformer, Electromechanical
energy conversion principles, DC machines: separately excited, series and
shunt, motoring and generating mode of operation and their
characteristics, starting and speed control of dc motors; Three phase
induction motors: principle of operation, types, performance, torque-speed
characteristics, no-load and blocked rotor tests, equivalent circuit, starting
and speed control; Operating principle of single phase induction motors;
Synchronous machines: cylindrical and salient pole machines,
performance, regulation and parallel operation of generators, starting of
synchronous motor, characteristics; Types of losses and efficiency
calculations of electric machines.
f). Power Systems
Power generation concepts, ac and dc transmission concepts, Models and
performance of transmission lines and cables, Series and shunt
compensation, Electric field distribution and insulators, Distribution systems,
Per‐unit quantities, Bus admittance matrix, Gauss- Seidel and NewtonRaphson load flow methods, Voltage and Frequency control, Power factor
correction, Symmetrical components, Symmetrical and unsymmetrical fault
analysis, Principles of over‐current, differential and distance protection;
Circuit breakers, System stability concepts, Equal area criterion.
g). Control Systems
Mathematical modeling and representation of systems, Feedback
principle, transfer function, Block diagrams and Signal flow graphs, Transient
and Steady‐state analysis of linear time invariant systems, Routh-Hurwitz and
Nyquist criteria, Bode plots, Root loci, Stability analysis, Lag, Lead and
Lead‐Lag compensators; P, PI and PID controllers; State space model, State
transition matrix.
h) Electrical and Electronic Measurements
Bridges and Potentiometers, Measurement of voltage, current, power,
energy and power factor; Instrument transformers, Digital voltmeters and
multimeters, Phase, Time and Frequency measurement; Oscilloscopes, Error
i) Analog and Digital Electronics
Characteristics of diodes, BJT, MOSFET; Simple diode circuits: clipping,
clamping, rectifiers; Amplifiers: Biasing, Equivalent circuit and Frequency
response; Oscillators and Feedback amplifiers; Operational amplifiers:
Characteristics and applications; Simple active filters, VCOs and Timers,
Combinational and Sequential logic circuits, Multiplexer, Demultiplexer,
Schmitt trigger, Sample and hold circuits, A/D and D/A converters,
8085Microprocessor: Architecture, Programming and Interfacing.
j) Power Electronics
Characteristics of semiconductor power devices: Diode, Thyristor, Triac,
GTO, MOSFET, IGBT; DC to DC conversion: Buck, Boost and Buck-Boost
converters; Single and three phase configuration of uncontrolled rectifiers,
Line commutated thyristor based converters, Bidirectional ac to dc voltage
source converters, Issues of line current harmonics, Power factor, Distortion
factor of ac to dc converters, Single phase and three phase inverters,
Sinusoidal pulse width modulation.
Section-B: 20 Marks.
General Awareness and Numerical Ability :
i) Analytical & Numerical Ability
ii) General Awareness
iii) English
iv) Related to Telangana Culture & Movement
v) Computer Knowledge.

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