Kerala Lateral Entry Test (LET) 2015 Syllabus:
Kerala LET 2015 English Syllabus :
For English, out of the 10 marks to be awarded, 5 marks will be for questions based on a given passage and remaining 5 marks for basic Grammar and General English of +2 Standard.
Kerala LET 2015 Mathematics Syllabus :
Matrices : Inverse of Matrix – Linear dependence and independence Vectors – Consistency and inconsistency of a system of linear equations – Rank of a matrix. Eigen Values and Eigen Vectors Properties – Caylay – Hamilton Theories Diagonalisation – Quadartic forms – Reduction to
canonical forms.
Differential Calculus : Successive Differentiation – Leibnitz Theorem – Indeterminate forms – L’ Hospital’s Rule – Radius of curvature – center of curvature – Evolutes partial Differentiation – Homogeneous functions Euler’s Theorem – Maxima and Minima of two variables.
Infinite Series : Notions of Convergence and divergence – Comparison test – Ratio test – Cauchy’s Root test – Test for alternating series – absolute convergence.
Fourier Series : Even functions,Odd functions, periodic functions – Dirichelet’s condition – Euler’s formula. Functions with period 2π and 2l. Half range sine and cosine series. Laplace transforms – properties - Inverse Transforms.
canonical forms.
Differential Calculus : Successive Differentiation – Leibnitz Theorem – Indeterminate forms – L’ Hospital’s Rule – Radius of curvature – center of curvature – Evolutes partial Differentiation – Homogeneous functions Euler’s Theorem – Maxima and Minima of two variables.
Infinite Series : Notions of Convergence and divergence – Comparison test – Ratio test – Cauchy’s Root test – Test for alternating series – absolute convergence.
Fourier Series : Even functions,Odd functions, periodic functions – Dirichelet’s condition – Euler’s formula. Functions with period 2π and 2l. Half range sine and cosine series. Laplace transforms – properties - Inverse Transforms.
Kerala LET 2015 Engineering Mechanics Syllabus :
Units – Dimensions – Vector & scalar quantities – laws of mechanics – Elements of vector algebra Principals of statics – free body diagram – composition & resolution of & equilibrant – concurrent forces –triangular forces – Lami’s theorems – center of gravity – Moment of inertia – Coplannar forces – Friction.
Plane trusses – Different types of support – Reaction at supports – Methods of sections – funicular polygen – Maxwells diagram – couples in space – Equilibrium of general system of force in space.
Kinematics of a particle – simple relative motion – definition of particle – velocity and acceleration – transaction and rotation – rectangular and cylindrical coordinates – particle dynamics –central force motion.
Principles of dynamics – motion of a particle acted by a constant force as a function of time – Force proportional to displacement –free vibrations – D’ Alemberts principle – Momentum and impulse – work and energy – Ideal system – Conservation of energy – impact – curvilinear motion – Projectiles –Rotation – Torsional vibration –Simple and compound pendulam – Collision of bodies.
Units – Dimensions – Vector & scalar quantities – laws of mechanics – Elements of vector algebra Principals of statics – free body diagram – composition & resolution of & equilibrant – concurrent forces –triangular forces – Lami’s theorems – center of gravity – Moment of inertia – Coplannar forces – Friction.
Plane trusses – Different types of support – Reaction at supports – Methods of sections – funicular polygen – Maxwells diagram – couples in space – Equilibrium of general system of force in space.
Kinematics of a particle – simple relative motion – definition of particle – velocity and acceleration – transaction and rotation – rectangular and cylindrical coordinates – particle dynamics –central force motion.
Principles of dynamics – motion of a particle acted by a constant force as a function of time – Force proportional to displacement –free vibrations – D’ Alemberts principle – Momentum and impulse – work and energy – Ideal system – Conservation of energy – impact – curvilinear motion – Projectiles –Rotation – Torsional vibration –Simple and compound pendulam – Collision of bodies.
Kerala LET 2015 Computer Science and Information Technology Syllabus :
Computer Organization : Central processing unit, input device, output device, secondary storage device, machine language, assembly language and high level language
System Software : Assembler, loader,linker, operating system, editors,,compilers, debuggers.
Computer Organization : Central processing unit, input device, output device, secondary storage device, machine language, assembly language and high level language
System Software : Assembler, loader,linker, operating system, editors,,compilers, debuggers.
Computer Programming ( in C language ) : Data types, type conversion,simple and compound statements, usage of standard library, control structures, functions, arrays. Pointers, structure, file handling.
Data Base Systems : Relational Data Base Management System, SQL.
Multimedia : Multimedia hardware, sound cards, CD ROMs, full motion digital video.
Computer Networks : ISO / OSI protocols, TCP / IP, Inter connecting network devices, Ethernet cards, cables, Connectors, hubs, switches, routers
Internet : Introduction to FTP, TELNET, Email, Web browsers and Web servers.
Data Base Systems : Relational Data Base Management System, SQL.
Multimedia : Multimedia hardware, sound cards, CD ROMs, full motion digital video.
Computer Networks : ISO / OSI protocols, TCP / IP, Inter connecting network devices, Ethernet cards, cables, Connectors, hubs, switches, routers
Internet : Introduction to FTP, TELNET, Email, Web browsers and Web servers.
Kerala LET 2015 Basic Civil Engineering Syllabus :Materials – cement – steel – aggregates – mortar preparation – concrete – grades of concrete – water – cement ratio – Workability – batching – Mixing – Compaction – Curing – Strengths in concrete – Timber –
Defects of timber – Seasoning – Bricks – Varieties.
Selection of site of a building – Setting out – Excavation –Types of foundation – Bearing capacity masonry – Materials – Types –Stone Masonry – Brick masonry – Bond in Brick – Special bricks – Arches Cavity walls – Hollow block – Plastering – Painting.
Doors – Windows – Flooring – Preparation of bed – Laying floor finish – Various floor finish materials – Roofs –Different types – Roof covering materials – Precast and prestressed construction.
Methods of surveying – Chain –Compass – Plane table – Theodolite – Areal – Hydrographic – Measurement of distance –elementary idea of total station – Errors in chaining – Tape correction – Setting out right angles – Levelling – Types of levels – Reduction of level – Computation of area and volume – Trapezodial and simpson’s rule.
Defects of timber – Seasoning – Bricks – Varieties.
Selection of site of a building – Setting out – Excavation –Types of foundation – Bearing capacity masonry – Materials – Types –Stone Masonry – Brick masonry – Bond in Brick – Special bricks – Arches Cavity walls – Hollow block – Plastering – Painting.
Doors – Windows – Flooring – Preparation of bed – Laying floor finish – Various floor finish materials – Roofs –Different types – Roof covering materials – Precast and prestressed construction.
Methods of surveying – Chain –Compass – Plane table – Theodolite – Areal – Hydrographic – Measurement of distance –elementary idea of total station – Errors in chaining – Tape correction – Setting out right angles – Levelling – Types of levels – Reduction of level – Computation of area and volume – Trapezodial and simpson’s rule.
Kerala LET 2015 Mechanical Engineering Syllabus :
Thermodynamics : Definitions and basic concepts – system, properties, state, process, cycle – heat and work – Thermodynamic equilibrium. Zeroth law of thermodynamics – concept oftemperature – temperature scales. First law of thermodynamics – concepts of internal energy and enthalpy. Second law of thermodynamics – Clausius and Kelvin –Plank statements – concept reversibility,availability and entropy. Thermodynamic processes – constant volume, constant pressure, isothermal, adiabatic, polytropic processes, throttling and free expansion, p – v and T – s diagrams – work done, heat exchanged,change in
entropy, and change in internal energy during the above processes. Air cycles – Carnot, Otto and Diesel cycles – air standard efficiency.
Working and comparison of two stroke and four stroke petrol and diesel engines – various systems – air systems, fuel system, ignition system, governing system.
Steam Boilers and turbines : Properties of steam – dryness fraction, enthalpy, entropy. Classification of boilers, Boiler mountings and accessories. Types of steam turbines – impulse and reaction type – parts of turbines, compounding of turbines.
Thermodynamics : Definitions and basic concepts – system, properties, state, process, cycle – heat and work – Thermodynamic equilibrium. Zeroth law of thermodynamics – concept oftemperature – temperature scales. First law of thermodynamics – concepts of internal energy and enthalpy. Second law of thermodynamics – Clausius and Kelvin –Plank statements – concept reversibility,availability and entropy. Thermodynamic processes – constant volume, constant pressure, isothermal, adiabatic, polytropic processes, throttling and free expansion, p – v and T – s diagrams – work done, heat exchanged,change in
entropy, and change in internal energy during the above processes. Air cycles – Carnot, Otto and Diesel cycles – air standard efficiency.
Working and comparison of two stroke and four stroke petrol and diesel engines – various systems – air systems, fuel system, ignition system, governing system.
Steam Boilers and turbines : Properties of steam – dryness fraction, enthalpy, entropy. Classification of boilers, Boiler mountings and accessories. Types of steam turbines – impulse and reaction type – parts of turbines, compounding of turbines.
Kerala LET 2015 Electrical Engineering Syllabus :
Alternating current fundamentals- Generation of alternating currents- wave forms- frequency- period average value and form factor . Phasor representation of alternating quantities rectangular and polar form- Analysis of simple ac circuits with resistance inductance and capacitance- concept of impedance and admittance- power and power factor in ac circuits- active and reactive components solution of RL, RC, and RLC circuits- series, parallel and series parallel circuits- Resonance-Q factor- selectivity and bandwidth.
Electrical Drives- Principles of operation of ac and dc motors –mechanical characteristics and
application of dc series, shunt and compound motors-single phase and three phase induction motors– synchronous motors-Transformer-Principle of operation-emf equation- Ideal transformer constructional details- losses and efficiency- Use of power, distribution and instrument transformers.
Different methods of wiring for LT installations. Schematic layout of LT switch boards- Earthing of installation – necessity of earthing- plate and pipe earthing – Protective fuses, MCBs, ELCB- Tariffs- Types of LT and HT consumers.
Characteristics of different types of lamps- vapour lamps- incandescent lamps- energy efficient
lamps- control accessories of vapour lamps.
Storage batteries- Lead acid and Nickel Cadmium batteries – construction- characteristics- charging and discharging- specification – maintenance.
Methods of bulk generation of electric power , Block schematic layout of generating station – hydroelectric, thermal, nuclear, stations- Non conventional energy sources- solar, tidal, wind- Economics of generation-load factor- diversity factor –diversity factor – plant factor.
Bulk transmission of electric power –typical power transmission scheme-need for high transmission voltage- substation- substation equipment, primary and secondary transmission and distribution systems- effect of power factor ,transmission voltages in Kerala.
Kerala LET 2015 Electronics & Communication Engineering Syllabus :
1.Passive components: Resistors – types, color coding, power rating ,Capacitors – types , color
coding, Voltage rating, Inductor and Transformers: types
2.Semiconductors: Crystalline structure – Intrinsic And Extrinsic semiconductors , PN junctions ,
Electrical characteristics.
3.Diodes: Biasing , Rectifier Circuits.
4.Transistors: NPN and PNP transistors , current flow in a transistor – transistor configuration , FET,
Zener diods, SCR . photodiods , phototransistors, LED.
5.Amplifiers: The CE, CB and CC amplifiers, Frequency response, and power amplifier – single
ended power amplifier , push pull amplifier.
6.Oscillactor: Feedback principles, RC and LC Oscillators
7.Digital circuits: Logical states, Number codes, Gates and truth tables. TTl and
CMOS logic identifiers, Function minimization, Muliplexer, Demultiplexer, Decoders ,Flip-Flops, RS,
Jk, Master slave JK,D and T, Counters, Shift registers, ADCS.
8.Electronic communication: Modulation- AM, FM, Demodulation, Radio- receviers, Transmitters ,
Television Radar.
9.Elctrinic Instrumentation: Measurement of current ,voltage and power, cathode ray oscilloscope,
Transducers – strain gauges, Thermocouples, thermistors, RTDS, LVDTs
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