[Latest]Syllabus of Kerala PSC Polytechnic Lecturer Electrical and Electronics Engineering Download PDF

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Polytechnic Lecturer Electrical and Electronics Engineering Kerala PSC Syllabus

Polytechnic Lecturer Electrical and Electronics Engineering Kerala PSC Syllabus

Polytechnic Lecturer Electrical and Electronics Engineering Kerala PSC Syllabus

DETAILED SYLLABUS FOR THE POST OF LECTURER IN ELECTRICAL AND LECTRONICS ENGINEERING (POLYTECHNICS)(TECHNICAL EDUCATION)


(Cat.No. : 306/2022) (Total Marks – 100)


Part I (a) : Technical Mathematics (10 Marks)


I. Matrices – Identification of Matrices, matrix operations, adjoint and inverse.
II. Determinants – Evaluation of second and third order, minors and cofactors,
solutions of simultaneous linear equation in three unknown using Cramer’s rule.
III. Binomial Series – Expansions using Binomial theorem.
IV. Trigonometric functions – Signs of functions in each quadrant. Trigonometric
values of angles, properties of trigonometric functions, applications of the
identities sin (A ± B), cos (A ± B) and tan (A ± B).
V. Coordinate geometry – Equations to a straight line – slope-intercept form,
intercept form, Angle between two lines, condition for two lines to be
perpendicular, parallel.
VI. Differentiation – Limits and continuity, derivatives of functions, equation to
tangents and normals. Maxima and minima of functions of one variable.
VII. Integration of functions – Integration of different types of functions.
VIII. Applications of integration – Area bounded by a curve and X or Y axis,
solutions of differential equations using the method of variable separable,
solutions of linear differential equations of first order.

[Latest]Syllabus of Kerala PSC Polytechnic Lecturer Electronics and Instrumentation Download PDF


Part I (b) : Basic Civil Engineering (5 Marks)


Materials: Brick – varieties and strength, characteristics of good brick. Cement –
varieties and grade of cement and its uses. Steel – types of steel for reinforcement
bars, steel structural sections. Aggregates – types & requirements of good aggregates.
Concrete – grades of concrete as per IS code, water cement ratio. Workability,
mixing, batching, compaction and curing.
Construction: Parts of building – foundation – types of foundations – spread
footing, isolated footing, combined footing, Raft, pile and well foundations. Masonry
– types rubble masonry, brick masonry, English bond and Flemish bond. (One brick
wall).
Surveying: Chain surveying – principles, instruments, ranging, and chaining survey
lines, field work and field book, selection of survey stations, units of land area.
Levelling: Levelling instruments, different types, bench mark, reduced level of
points, booking of field notes, reduction of levels by height of collimation method
(simple problem). Modern survey – instruments – Total station, Electronics
theodolite, Distomat.


Part I (c) : Basic Mechanical Engineering (5 Marks)


The importance of IC Engines: Definition, classification – two stroke engines,
four stroke engines, working of two stroke engines and four stroke engines with the
help of line sketches, comparison between two stroke and four stroke engines,
comparison between petrol and diesel engines, function of fly wheel, clutch, gearbox,
propeller shaft and differential in power transmission, explain with sketch the working
of differential, briefly explain power transmission of 4 wheel vehicle with line
diagram.
The importance of Power Plants: Introduction, classification of power plants –
working of hydroelectric power plant with schematic sketches – working of thermal
(Steam and Diesel) power plant with schematic sketches – working of nuclear power
plant with schematic sketches.


Part I (d) : Basic Electrical Engineering (5 Marks)


Review with discussion of electric current, potential difference, power, EMF,
resistance and its laws, Ohms law and series parallel circuit, electromagnetism,
generation of AC and DC supply.
Idea of Basic electrical circuit: Electrical supply and load and its functioning,
division of voltage and current in a parallel and series circuit – simple problems, units
of power and energy, solution of DC circuit with calculation of energy consumption
in an installation.
Circuit parameters: Resistance, Capacitance and inductance. AC circuit with R, L,
C. Simple solution of typical AC circuit with resistance, impedance, power and power
factor.
Electrical circuit of an installation: Earthing, lightning protection.


Part I (e) : Essentials of Electronics Engineering (5 Marks)


Active and passive devices – review only. LED – working, applications, comparison
of LED lighting and CFL lighting. Full wave rectifier – diagram and explanation, 5 V
power supply – with bridge rectifier and 7805. SMPS – block diagram and
advantages. Integrated circuits. SMDs – advantages. Static electricity – precautions in
handling electronic circuits.
Switches: ON / OFF, push to ON, push to OFF, push to ON / OFF, SPST, SPDT,
DPDT. Working and application of limit switches, proximity switches, relays.
Microcontrollers: Simple block diagram of 8 bit microcontrollers – application.
Mobile technology: CDMA and GSM. Compare – 2G and 3G technologies.
Inverter & UPS: Block diagram. Compare – inverter and UPS. Online and off line
UPS – differentiate. Battery selection for UPS and inverter.
E­waste: Health hazards of e-waste.


ELECTRICAL AND ELECTRONICS ENGINEERING


Part II : Electronic Circuits and Field Theory (14 Marks)


Node and Mesh analysis, transient response of dc and ac networks, sinusoidal steady
state analysis, resonance, two port network, independent and dependent voltage and
current sources, coupled circuits, tuned coupled circuits, Network theorems –
superposition, reciprocity, substitution, compensation, Thevenin, Norton, Millman,
Telligen and Maximum power transfer theorems. Analysis of Three phase circuits,
symmetrical components, graph theory – analysis of network using cut-set and tri-set.
Filters constant – K low pass, high pass and band-pass filters – m derived, low pass,
high pass and band pass filters.
Gauss’s law and applications, electric field, electric potential, electric field lines,
electric dipoles, potential gradient, conductors, dielectrics, capacitance, polarisation,
method of images, dielectric strength, Biot-Savart’s law, Ampere’s circuital law,
Stoke’s theorem, scalar and vector magnetic potential, force between current carrying
wires, Maxwell’s equation – wave equation – Poynting theorem.


Part III : Electrical Machines (14 Marks)


Single phase Transformer – leakage reactance, equivalent circuit, losses and
efficiency, voltage regulation, OC, SC and Sumpner’s tests, Distribution transformer,
all day efficiency, autotransformer – saving of copper three phase transformer –
connections, vector groupings, parallel operation.
DC machines – Types of excitation, constructional features.
DC generator – Emf equation, armature reaction & commutation, characteristics,
voltage build up, applications.
DC motor – Torque equation, characteristics of shunt, series & compound motors,
necessity & types of starters, speed control, applications, Swinburne’s test,
Hopkinson’s test.
Synchronous machines: – constructional features, winding factor.
Alternator: Types, synchronous reactance, voltage regulation, emf and mmf methods,
short circuit ratio, Two reaction theory, alternator on infinite bus, power angle
characteristics, parallel operation, effect of variation of power input & excitation.
Synchronous motor – principle of operation, methods of starting, hunting & its
reduction.
Three phase induction motor – constructional features, types, slip rotor frequency,
power flow, Torque – slip curve, effect of rotor resistance, starting methods, speed
control.
Single phase induction motor – double field revolving theory, starting methods.
Basic concepts of ac and dc drives.


Part IV : Power Systems (14 Marks)


Conventional and non-conventional systems of power generation, power plant
economics, load factor, demand factor, diversity factor, Transmission line parameters
– T and ∏ models GMD and GMR, ABCD constants, overload lines – arrangement of
conductors – sag, economic span, choice of transmission voltage, types of insulators, string
efficiency, distribution systems – types, comparison of DC and AC single phase and 3 phase
systems.
One line diagrams per unit quantities, formation of Y bus and Z Bus. Load flow studies –
Gauss – Seidal, Newton Raphson and Fast decoupled load flow methods.
Faults on power systems – LG, LL, LLG and 3 phase faults. Fault analysis using Z Bus.
Power system stability, steady state transient and dynamic stability, equal area criterion,
swing curve.
Protective relays: types and operation, protective zones, different protection schemes.
Circuit Breakers – types and operations, selection of circuit breakers, calculation of fault
KVA, protection against lightning and overvoltages.
Electric traction – speed – time curves – mechanics
Electric heating – Advantages, types and applications.
Principles of PMMC, moving iron, and electrodynamometer type instruments, error analysis,
measurement of voltage, current, power energy and power factor, induction type watt-hour
meter, DC bridges and AC bridges, magnetic measurements, Instrument transformers, digital
voltmeters and multimeters, digital measurements of frequency, phase angle, time interval.
Electronic energy meter, high voltage measurements, oscilloscopes, Data acquisition systems,
Transducers for temperature, flow and pressure.

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Part V : Control Systems (14 Marks)


Open loop and closed loop system: Transfer function, force-voltage & force-current
analogy, block diagrams, signal flow graphs – Mason’s gain formula – characteristic
equation, time domain analysis – transient & steady state responses – time domain
specifications & steady state error.
Concept of stability – Routh’s stability criterion – Root locus – effect of addition of
poles and zeros.
Frequency domain analysis – Nyquist & Bode plots, gain margins and phase margin,
lag, lead and lag-lead compensators and their design using Bode plot.
State space analysis of system: State space models, state transition matrix, relationship
between state equations and transfer function, controllability and observability.
Nonlinear system: – characteristics, types of non-linearities, describing functions
analysis – concept, singular points – focus, centre, node and saddle points – limit
cycle.
Types of signals and systems, sampling process, sampling theorem, convolution of
discrete time signals, analysis of LTI systems using Z transforms. DFT and FFT,
Types of digital filters.


Part VI : Electronics (14 Marks)


BJT and FET amplifiers – biasing circuits, types of amplifiers, low frequency and
high frequency considerations. Oscillators and feedback amplifiers, operational
amplifier circuits and applications – simple active filters. VCO’s and timers. Voltage
regulators using linear IC’s, combinational and sequential logic circuits – flip flops,
counters, shift registers, TTL & CMOS logic families, memories – ROM, PROM,
EPROM & RAM.
Schmitt trigger, multivibrators, sample and hold circuits, A to D and D to A
converters, 8 bit and 16 bit microprocessor basics, architecture, programming and
interfacing.
Thyristors, triacs, GTO’s MOSFETS & IGBTS – principles of operation, triggering circuits, phase control
rectifiers, bridge converters – fully controlled and half controlled, Inverters and choppers.

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OLD SYLLABUS

LECTURER IN ELECTRICAL AND ELECTRONICS ENGINEERING (GOVERNMENT POLYTECHNICS)TECHNICAL EDUCATION DEPARTMENT

Download previous Question Papers of Polytechnic Lecturer Electrical

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Main topics for polytechnic Lecturer Electrical and Electronics 2022

  1. Technical Mathematics
  2. Basic Civil Engineering
  3. Basic Mechanical Engineering
  4. Basic Electrical Engineering
  5. Electrical and Electronics Engineering


Technical Mathematics


I. Matrices – Identification of Matrices, matrix operations, adjoint and inverse.
II. Determinants – Evaluation of second and third order, minors and cofactors, solutions of simultaneous linear equation in three unknown using Cramer’s rule.
III. Binomial Series – Expansions using Binomial theorem.
IV. Trigonometric functions – Signs of functions in each quadrant. Trigonometric values of angles, properties of trigonometric functions, applications of the identities sin (A ± B), cos (A ± B) and tan (A ± B).
V. Coordinate geometry – Equations to a straight line – slope-intercept form, intercept form, Angle between two lines, condition for two lines to be perpendicular, parallel.
VI. Differentiation – Limits and continuity, derivatives of functions, equation to tangents and normals. Maxima and minima of functions of one variable.
VII. Integration of functions – Integration of different types of functions.
VIII. Applications of integration – Area bounded by a curve and X or Y axis, solutions of differential equations using the method of variable separable, solutions of linear differential equations of first order.


Basic Civil Engineering


Materials:

Brick – varieties and strength, characteristics of good brick.

Cement – varieties and grade of cement and its uses.
Steel – types of steel for reinforcement bars, steel structural sections.
Aggregates – types & requirements of good aggregates.
Concrete – grades of concrete as per IS code, water cement ratio. Workability, mixing, batching, compaction and curing.
Construction: Parts of building – foundation – types of foundations – spread footing, isolated footing, combined footing, Raft, pile and well foundations. Masonry – types rubble masonry, brick masonry, English bond and Flemish bond. (One brick wall).
Surveying: Chain surveying – principles, instruments, ranging, and chaining survey lines, field work and field book, selection of survey stations, units of land area. Levelling: Levelling instruments, different types, bench mark, reduced level of points, booking of field notes, reduction of levels by height of collimation method (simple problem). Modern survey – instruments – Total station, Electronics theodolite, Distomat.


Basic Mechanical Engineering


The importance of IC Engines: Definition, classification – two stroke engines, four stroke engines, working of two stroke engines and four stroke engines with the help of line sketches, comparison between two stroke and four stroke engines, comparison between petrol and diesel engines, function of fly wheel, clutch, gearbox, propeller shaft and differential in power transmission, explain with sketch the working of differential, briefly explain power transmission of 4 wheel vehicle with line diagram.


The importance of Power Plants: Introduction, classification of power plants – working of hydroelectric power plant with schematic sketches – working of thermal (Steam and Diesel) power plant with schematic sketches – working of nuclear power plant with schematic sketches.


Basic Electrical Engineering


Review with discussion of electric current, potential difference, power, EMF, resistance and its laws, Ohms law and series parallel circuit, electromagnetism, generation of AC and DC supply.


Idea of Basic electrical circuit: Electrical supply and load and its functioning, division of voltage and current in a parallel and series circuit – simple problems, units of power and energy, solution of DC circuit with calculation of energy consumption in an installation.


Circuit parameters: Resistance, Capacitance and inductance. AC circuit with R, L, C. Simple solution of typical AC circuit with resistance, impedance, power and power factor.


Electrical circuit of an installation: Earthing, lightning protection.

Essentials of Electronics Engineering
Active and passive devices – review only. LED – working, applications, comparison of LED lighting and CFL lighting. Full wave rectifier – diagram and explanation, 5 V power supply – with bridge rectifier and 7805. SMPS – block diagram and advantages. Integrated circuits. SMDs – advantages. Static electricity – precautions in handling electronic circuits.


Switches: ON / OFF, push to ON, push to OFF, push to ON / OFF, SPST, SPDT, DPDT. Working and application of limit switches, proximity switches, relays.

Microcontrollers: Simple block diagram of 8 bit microcontrollers – application. Mobile technology: CDMA and GSM. Compare – 2G and 3G technologies.


Inverter & UPS: Block diagram. Compare – inverter and UPS. Online and off line UPS – differentiate. Battery selection for UPS and inverter.


E-waste: Health hazards of e-waste.


ELECTRICAL AND ELECTRONICS ENGINEERING


Module I : Electronic Circuits and Field Theory


Node and Mesh analysis, transient response of dc and ac networks, sinusoidal steady state analysis, resonance, two port network, independent and dependent voltage and current sources, coupled circuits, tuned coupled circuits, Network theorems – superposition, reciprocity, substitution, compensation, Thevenin, Norton, Millman, Telligen and Maximum power transfer theorems. Analysis of Three phase circuits, symmetrical components, graph theory – analysis of network using cut-set and tri-set. Filters constant – K low pass, high pass and band-pass filters – m derived, low pass, high pass and band pass filters.
Gauss’s law and applications, electric field, electric potential, electric field lines, electric dipoles, potential gradient, conductors, dielectrics, capacitance, polarisation, method of images, dielectric strength, Biot-Savart’s law, Ampere’s circuital law, Stoke’s theorem, scalar and vector magnetic potential, force between current carrying wires, Maxwell’s equation – wave equation – Poynting theorem.


Module II : Electrical Machines


Single phase Transformer – leakage reactance, equivalent circuit, losses and efficiency, voltage regulation, OC, SC and Sumpner’s tests, Distribution transformer, all day efficiency, autotransformer – saving of copper three phase transformer – connections, vector groupings, parallel operation.


DC machines – Types of excitation, constructional features.
DC generator – Emf equation, armature reaction & commutation, characteristics, voltage build up, applications.


DC motor – Torque equation, characteristics of shunt, series & compound motors, necessity & types of starters, speed control, applications, Swinburne’s test, Hopkinson’s test.


Synchronous machines: – constructional features, winding factor.


Alternator: Types, synchronous reactance, voltage regulation, emf and mmf methods, short circuit ratio, Two reaction theory, alternator on infinite bus, power angle characteristics, parallel operation, effect of variation of power input & excitation. Synchronous motor – principle of operation, methods of starting, hunting & its reduction.


Three phase induction motor – constructional features, types, slip rotor frequency, power flow, Torque – slip curve, effect of rotor resistance, starting methods, speed control.
Single phase induction motor – double field revolving theory, starting methods. Basic concepts of ac and dc drives.

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Module III : Power Systems


Conventional and non-conventional systems of power generation, power plant economics, load factor, demand factor, diversity factor, Transmission line parameters – T and ∏ models GMD and GMR, ABCD constants, overload lines – arrangement of conductors – sag, economic span, choice of transmission voltage, types of insulators, string efficiency, distribution systems – types, comparison of DC and AC single phase and 3 phase systems.


One line diagrams per unit quantities, formation of Y bus and Z Bus. Load flow studies – Gauss – Seidal, Newton Raphson and Fast decoupled load flow methods.


Faults on power systems – LG, LL, LLG and 3 phase faults. Fault analysis using Z Bus. Power system stability, steady state transient and dynamic stability, equal area criterion, swing curve.


Protective relays: types and operation, protective zones, different protection schemes. Circuit Breakers – types and operations, selection of circuit breakers, calculation of fault KVA, protection against lightning and overvoltages.


Electric traction – speed – time curves – mechanics Electric heating – Advantages, types and applications.


Principles of PMMC, moving iron, and electrodynamometer type instruments, error analysis, measurement of voltage, current, power energy and power factor, induction type watt-hour meter, DC bridges and AC bridges, magnetic measurements, Instrument transformers, digital voltmeters and multimeters, digital measurements of frequency, phase angle, time interval. Electronic energy meter, high voltage measurements, oscilloscopes, Data acquisition systems, Transducers for temperature, flow and pressure.


Module IV : Control Systems


Open loop and closed loop system: Transfer function, force-voltage & force-current analogy, block diagrams, signal flow graphs – Mason’s gain formula – characteristic equation, time domain analysis – transient & steady state responses – time domain specifications & steady state error.


Concept of stability – Routh’s stability criterion – Root locus – effect of addition of poles and zeros.
Frequency domain analysis – Nyquist & Bode plots, gain margins and phase margin, lag, lead and lag-lead compensators and their design using Bode plot.


State space analysis of system: State space models, state transition matrix, relationship between state equations and transfer function, controllability and observability.


Nonlinear system: – characteristics, types of non-linearities, describing functions analysis – concept, singular points – focus, centre, node and saddle points – limit cycle.


Types of signals and systems, sampling process, sampling theorem, convolution of discrete time signals, analysis of LTI systems using Z transforms. DFT and FFT, Types of digital filters.


Module V : Electronics


BJT and FET amplifiers – biasing circuits, types of amplifiers, low frequency and high frequency considerations. Oscillators and feedback amplifiers, operational amplifier circuits and applications – simple active filters. VCO’s and timers. Voltage regulators using linear IC’s,

combinational and sequential logic circuits – flip flops, counters, shift registers, TTL & CMOS logic families, memories – ROM, PROM, EPROM & RAM.


Schmitt trigger, multivibrators, sample and hold circuits, A to D and D to A converters, 8 bit and 16 bit microprocessor basics, architecture, programming and interfacing.


Thyristors, triacs, GTO’s MOSFETS & IGBTS – principles of operation, triggering circuits, phase control rectifiers, bridge converters – fully controlled and half controlled, Inverters and choppers.

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