Directorate of Technical Education, Government of Kerala has released the Application Form on** September 27, 2021**. The Last date for registration is** **extended till** October** **13, 2021**. LET 2021 Exam will be held on October 23, 2021. DTE conducts Entrance Examination for admission in B.Tech Lateral Entry for the academic year 2021-22. This entrance exam also known as B.Tech Lateral Entry Entrance Examination and DTE Kerala LET 2021. The conducting body that is DTE Kerala releases the Allotment Memo, Allotment List and Result for same. Interested candidates can check the same from the links given below. Candidates can check the complete details of **DTE Kerala LET 2021** application process, eligibility criteria and other information on this page below.

** Latest –** CEE Kerala has released application form for B.Tech Lateral Entry. Scroll below to Apply.

Contents

## DTE Kerala LET 2021

LET Admission will be based on a rank list prepared based on an entrance test.

**Schedule for the DTE Kerala LET 2021 is given below.**

Activity | Date |

Online Registration | 27 Sep 2021 |

Last date of Apply the Form | |

Downloading of Hall Tickets from the website | 21-22 Oct 2021 |

Date of Examination | 23 Oct 2021 |

Publication of Result | 02 Nov 2021 |

Online filing of options | 03 to 06 Nov 2021 |

Downloading Score Cards from the website | 03 Nov 2021 |

1st Allotment | 10 Nov 2021 |

Admission (1st allotment) | 11 to 12 Nov 2021 |

Students get Admission in Allotted College | to be notified |

Rearranging higher options | 15, 16 Nov 2021 |

2nd Allotment | 18 Nov 2021 |

Admission (2nd allotment) | 19, 20 Nov 2021 |

Centralized spot by Admission | 27 Nov 2021 |

### DTE Kerala LET Application Form 2021

DTE Kerala LET 2021 application form has been released at official website i.e. dtekerala.gov.in. Before applying for the DTE Kerala LET 2021, one must ensure the eligibility criteria carefully. The candidates must fill the application form in all respect carefully and check the same before submitting it. The incomplete application form shall not be considered and no correspondence shall be made in this regard.

**Apply here: Click here** to get register for DTE Kerala LET Application form 2021.

**Application fee**

Application fee is **Rs.750/- for general candidates** and** Rs.375/- for SC/ST candidates**, which can be paid in ‘SHAKTI ACCOUNT’ of THE JOINT CONTROLLER OF TECHNICAL EXAMINATION at any branch of State Bank of India.

### DTE Kerala LET 2021 Eligibility Criteria

**For Admission**

- Candidates who have passed three year Diploma in Engineering/ Technology, D.Voc awarded from State Board of Technical Education / Universities or Institutions under Govt. of India, or undergoing studies at AICTE approved institutions and candidates who have passed B.Sc degree with Mathematics as their main or subsidiary subject from a recognized university as defined by the UGC are eligible to apply for the Lateral Entry Test subject to fulfilling the requirements of minimum marks.
- The admission will be subject to regulations prescribed in the prospectus for B.Tech lateral entry course 2021-22, and of the Universities concerned.
- Applicants should have completed 18 years of age as on the 31st December 2021. No relaxation in the minimum age will be allowed. However there is no upper age limit.
- Only Indian citizens are eligible to apply in all categories of seats in B.Tech (LET) admission. The admission of non-Keralites will be restricted to the management quota seats in Private Self-Financing engineering colleges and Management seats in the Government controlled engineering colleges.

- Candidates who have passed diploma in Engineering/ Technology with at least 45% marks (42% in the case of candidates belonging to SEBC and OEC category and 40% in the case of candidates belonging to SC/ST category) are eligible for writing the entrance examination. Candidates should produce a certificate showing the duration of the course and the details of the certificate issuing authority properly authenticated by the head of the institution concerned in the space provided in the body of the application form if the same is not specifically stated in the certificate or mark list of the Diploma stream examination.
- Candidates who have passed D.Voc (Vocational Diploma) stream in the same and allied sector in Engineering /Technology with at least 45% marks (42% in the case of candidates belonging to SEBC and OEC category and 40% in the case of candidates belonging to SC/ST category) are eligible for writing the entrance examination. Candidates should produce a certificate showing the duration of the course and the details of the certificate issuing authority properly authenticated by the head of the institution concerned on the space provided on the body of the application form if the same is not specifically stated in the certificate or mark list of the D.Voc stream examination.
- Candidates who have passed B Sc degree with Mathematics as their main or subsidiary subject with at least 45% marks (42% in the case of candidates belonging to SEBC and OEC category and 40% in the case of candidates belonging to SC/ST category) and passed 10+2 examination with Mathematics as a subject are also eligible for writing the entrance examination. Candidates should produce a certificate showing the duration of the course and the details of the certificate issuing authority properly authenticated by the head of institution
- concerned, on the space provided in the body of application form if the same is not specifically stated in the certificate or mark list of the B.Sc stream examination.
- Those who are appearing for the Final year of Diploma stream / D.Voc stream / B.Sc stream Examination and satisfying the above criteria are also eligible to apply, subject to the condition that they will produce the Qualifying Certificate (original or Provisional) at the time of admission. All such candidates should produce a certificate showing the duration of the course with the details of the certificate issuing authority and properly authenticated by the head of institution concerned, in the space provided in the body of the application form.
- The students belonging to B.Sc stream shall clear the subject i) Engineering Graphics/ Engineering Drawing and ii) Engineering Mechanics of the First year Engineering programme along with the second year subjects.
- The students belonging to B.Sc stream shall be considered only after filling the supernumerary and the unfilled vacancies of the first year B.Tech / BE, with students belonging to the Diploma stream and D.Voc stream.
- Candidates who have acquired/are acquiring the eligibility for qualifying from Board/University outside Kerala State or Board/University outside India should produce equivalency certificate from Directorate of Technical Education/ Universities in Kerala. For diploma / D.Voc eligibility shall be from Directorate of Technical Education and for Degree it shall be from any of the Universities in Kerala.

### DTE Kerala LET Admit card 2021

The exam conducting body will release the DTE Kerala LET Admit card at its official website i.e http://www.dtekerala.gov.in as per schedule. The direct link to download admit card will also be provided here. Candidates should download admit card by entering the application form number. The admit card will contain the admit card number, photograph of the student, address of the examination center and examination date.

### DTE Kerala LET Exam Centers 2021

Examination centers will be at Thiruvananthapuram, Kollam, Alappuzha, Pathanamthitta, Kottayam, Thodupuzha, Ernakulam, Thrissur, Palakkad, Tirur, Malappuram, Sulthan Bathery, Kozhikode, Kannur & Kasaragod.

### DTE Kerala LET Syllabus 2021

**SYLLABUS FOR DIPLOMA AND D. VOC STUDENTS**

**BASICS OF CIVIL & MECHANICAL ENGINEERING (30 marks)**

**Module 1****General Introduction to Civil Engineering:** Relevance of Civil Engineering in the overall infrastructural development of the country. Responsibility of an engineer in ensuring the safety of built environment. Brief introduction to major disciplines of Civil Engineering like Transportation Engineering, Structural Engineering, Geo-technical Engineering, Water Resources Engineering and Environmental Engineering.**Introduction to buildings:** Types of buildings, selection of site for buildings, components of a residential building and their

functions.**Building rules and regulations:** Relevance of NBC, KBR & CRZ norms (brief discussion only).**Building area:** Plinth area, built up area, floor area, carpet area and floor area ratio for a building as per KBR.

**Module 2****Surveying:** Importance, objectives and principles.**Construction materials, Conventional construction materials:** types, properties and uses of building materials: bricks,stones, cement, sand and timber**Cement concrete:** Constituent materials, properties and types.**Steel:** Steel sections and steel reinforcements, types and uses.**Modern construction materials:** Architectural glass, ceramics, Plastics, composite materials, thermal and acoustic insulating materials, decorative panels, waterproofing materials. Modern uses of gypsum, pre fabricated building components

(brief discussion only).

M**odule 3****Building Construction:** Foundations: Bearing capacity of soil (definition only), functions of foundations, types – shallow and deep (brief discussion only). Load bearing and framed structures (concept only).**Brick masonry:** Header and stretcher bond, English bond & Flemish bond random rubble masonry.**Roofs and floors:** Functions, types; flooring materials (brief discussion only).**Basic infrastructure services:** MEP, HVAC, elevators, escalators and ramps (Civil Engineering aspects only), fire safety for buildings.**Green buildings:** Materials, energy systems, water management and environment for green buildings. (brief discussion only).

**Module 4****Analysis of thermodynamic cycles:** Carnot, Otto, Diesel cycles, Derivation of efficiency of these cycles, Problems to calculate heat added, heat rejected, net work and efficiency. IC Engines: CI, SI, 2-Stroke, 4-Stroke engines. Listing the parts of different types of IC Engines. Efficiencies of IC Engines(Definitions only), Air, Fuel, cooling and lubricating systems in SI and CI Engines, CRDI, MPFI. Concept of hybrid engines.

**Module 5**

Refrigeration: Unit of refrigeration, reversed Carnot cycle,COP, vapour compression cycle (only description and no problems); Definitions of dry, wet & dew point temperatures, specific humidity and relative humidity, Cooling and dehumidification, Layout of unit and central air conditioners. Description about working with sketches of: Reciprocating pump, Centrifugal pump, Pelton turbine, Francis turbine and Kaplan turbine. Overall efficiency, Problems on calculation of input and output power of pumps and turbines (No velocity

triangles) Description about working with sketches of: Belt and Chain drives, Gear and Gear trains, Single plate clutches.

**Module 6**

Manufacturing Process: Basic description of the manufacturing processes – Sand Casting, Forging, Rolling, Extrusion and their applications.

Metal Joining Processes: List types of welding, Description with sketches of Arc Welding, Soldering and Brazing and their applications

Basic Machining operations: Turning, Drilling, Milling and Grinding. Description about working with block diagram of: Lathe, Drilling machine, Milling machine, CNC Machine. Principle of CAD/CAM, Rapid and Additive manufacturing.

**BASICS OF ELECTRICAL AND ELECTRONICS ENGINEERING (30marks) **

**Module 1****Elementary Concepts of Electric Circuits****Elementary concepts of DC electric circuits:** Basic Terminology including voltage, current, power, resistance, emf;Resistances in series and parallel; Current and Voltage Division Rules; Capacitors &**Inductors:** V-I relations and energy stored. Ohms Law and Kirchhoff’s laws-Problems; Star-delta conversion (resistive networks only-derivation not required)-problems.**Analysis of DC electric circuits**: Mesh current method – Matrix representation – Solution of network equations. Node voltage methods-matrix representation-solution of network equations by matrix methods. Numerical problems.

**Module 2**

Elementary Concepts of Magnetic circuits, Electromagnetic Induction and AC fundamentals Magnetic Circuits: Basic Terminology: MMF, field strength, flux density, reluctance – comparison between electric and magnetic circuits- Series and parallel magnetic circuits with composite materials,numerical problems.

**Electromagnetic Induction:** Faraday’s laws, problems, Lenz’s law- statically induced and dynamically induced emfs – Self-

inductance and mutual inductance, coefficient of coupling

**Alternating Current fundamentals:** Generation of alternating voltages-Representation of sinusoidal waveforms: frequency, period, Average, RMS values and form factor of waveforms-Numerical Problems.

**Module 3****AC Circuits:** Phasor representation of sinusoidal quantities. Trignometric, Rectangular, Polar and complex forms.**Analysis of simple AC circuits:** Purely resistive, inductive & capacitive circuits; Inductive and capacitive reactance, concept

of impedance. Average Power Power factor. Analysis of RL, RC and RLC series circuits-active, reactive and apparent power.

Simple numerical problems.**Three phase AC systems:** Generation of three phase voltages; advantages of three phase systems, star and delta connections

(balanced only), relation between line and phase voltages, line and phase currents- Numerical problems

**Module 4**

Introduction to Semiconductor devices: Evolution of electronics – Vacuum tubes to nano electronics. Resistors,

Capacitors and Inductors (constructional features not required): types, specifications. Standard values, color coding. PN

Junction diode: Principle of operation, V-I characteristics, principle of avalanche breakdown. Bipolar Junction

Transistors: PNP and NPN structures, Principle of operation, relation between current gains in CE, CB and CC, input and

output characteristics of common emitter configuration.

**Module 5**

Basic electronic circuits and instrumentation: Rectifiers and power supplies: Block diagram description of a dc power

supply, Working of a full wave bridge rectifier, capacitor filter (no analysis), working of simple zener voltage regulator.

Amplifiers: Block diagram of Public Address system, Circuit diagram and working of common emitter (RC coupled)

amplifier with its frequency response, Concept of voltage divider biasing. Electronic Instrumentation: Block diagram of an

electronic instrumentation system.

**Module 6**

Introduction to Communication Systems: Evolution of communication systems – Telegraphy to 5G.

Radio communication: principle of AM & FM, frequency bands used for various communication systems, block diagram of

super heterodyne receiver, Principle of antenna – radiation from accelerated charge. Mobile communication: basic

principles of cellular communications, principle and block diagram of GSM.

PROGRAMING IN C (15 marks)

** ****Module 1**

Basics of Computer Hardware and Software

Basics of Computer Architecture: processor, Memory, Input& Output devices

Application Software & System software: Compilers, interpreters, High level and low level languages Introduction to

structured approach to programming, Flow chart Algorithms, Pseudo code (bubble sort, linear search – algorithms and

pseudocode)**Module 2**

Program Basics

Basic structure of C program: Character set, Tokens, Identifiers in C, Variables and Data Types ,Constants, Console IO

Operations, printf and scanf

Operators and Expressions: Expressions and Arithmetic Operators, Relational and Logical Operators, Conditional operator,

size of operator, Assignment operators and Bitwise Operators. Operators

Precedence

Control Flow Statements: If Statement, Switch Statement, Unconditional Branching using goto statement, While Loop, Do

While Loop, For Loop, Break and Continue statements.(Simple programs covering control flow)**Module 3**

Arrays and strings

Arrays Declaration and Initialization, 1-Dimensional Array, 2-Dimensional Array

String processing: In built String handling functions (strlen, strcpy, strcat and strcmp, puts, gets) Linear search program,

bubble sort program, simple programs covering arrays and strings**Module 4**

Working with functions

Introduction to modular programming, writing functions, formal parameters, actual parameters Pass by Value, Recursion,

Arrays as Function Parameters structure, union, Storage Classes, Scope and life time of variables, simple programs using

functions**Module 5**

Pointers and Files

Basics of Pointer: declaring pointers, accessing data though pointers, NULL pointer, array access using pointers, pass by

reference effect

File Operations: open, close, read, write, append .

Sequential access and random access to files: In built file handling functions (rewind(), fseek(), ftell(), feof(), fread(),

fwrite()), simple programs covering pointers and files.

ENGINEERING MECHANICS (15 marks) **Module 1**

Introduction to Engineering Mechanics-statics-basic principles of statics-Parallelogram law, equilibrium law, principles of

superposition and transmissibility, law of action and reaction(review) free body diagrams. Concurrent coplanar forces-

composition and resolution of forces-resultant and equilibrium equations – methods of projections – methods of moments – Varignon’s Theorem of moments.**Module 2**

Friction – sliding friction – Coulomb’s laws of friction – analysis of single bodies –wedges, ladder- analysis of connected

bodies .

Parallel coplanar forces – couple – resultant of parallel forces – centre of parallel forces – equilibrium of parallel forces –

Simple beam subject to concentrated vertical loads. General coplanar force system – resultant and equilibrium equations.**Module 3**

Centroid of composite areas- – moment of inertia-parallel axis and perpendicular axis theorems. Polar moment of inertia,

radius of gyration, mass moment of inertia-ring, cylinder and disc. Theorem of Pappus Guldinus (demonstration only)

Forces in space – vectorial representation of forces, moments and couples –resultant and equilibrium equations – concurrent

forces in space (simple problems only)**Module 4**

Dynamics – rectilinear translation – equations of kinematics(review)

kinetics – equation of motion – D’Alembert’s principle. – motion on horizontal and inclined surfaces, motion of connected

bodies. Impulse momentum equation and work energy equation (concepts only).

Curvilinear translation – equations of kinematics –projectile motion(review), kinetics – equation of motion. Moment of

momentum and work energy equation (concepts only).**Module 5**

Rotation – kinematics of rotation- equation of motion for a rigid body rotating about a fixed axis – rotation under a constant

moment.

Plane motion of rigid body – instantaneous centre of rotation (concept only).

Simple harmonic motion – free vibration –degree of freedom- undamped free vibration of spring mass system-effect of

damping(concept only)

MATHEMATICS (20 marks)**Module 1**

Linear algebra

Systems of linear equations, Solution by Gauss elimination, row echelon form and rank of a matrix, fundamental theorem for

linear systems (homogeneous and non-homogeneous, without proof), Eigen values and eigen vectors. Diagonalization of

matrices, orthogonal transformation, quadratic forms and their canonical forms.**Module 2**

Multivariable calculus-Differentiation and Integration

Concept of limit and continuity of functions of two variables, partial derivatives, chain rule, total derivative, Relative

maxima and minima, Absolute maxima and minima on closed and bounded set.

Double integrals (Cartesian),reversing the order of integration, Change of coordinates (Cartesian to polar).**Module 3**

Sequences and series

Convergence of sequences and series, convergence of geometric series and p-series(without proof), test of convergence

(comparison, ratio and root tests without proof).

Taylor series (without proof, assuming the possibility of power series expansion in appropriate domains), Binomial series and

series representation of exponential, trigonometric, logarithmic functions (without proofs of convergence);

Fourier series,

Euler formulas, Convergence of Fourier series (without proof).**Module 4**

Calculus of vector functions, Vector valued function of single variable, derivative of vector function and geometrical interpretation, motion along a curve-velocity, speed and acceleration. Concept of scalar and vector fields , Gradient and its properties, directional derivative , divergence and curl.**Module- 5**

Ordinary differential equations, Laplace Transforms and Fourier Transforms

Homogenous linear differential equation of second order, superposition principle, general solution, homogenous linear ODEs

with constant coefficients-general solution. Solution of Euler-Cauchy equations (second order only). Existence and

uniqueness (without proof).

Laplace Transform and its inverse, linearity, Laplace transform of basic functions, Laplace transform of derivatives and

integrals, solution of differential equations using Laplace transform, Unit step function.

Fourier integral representation, Fourier sine and cosine integrals. Fourier sine and cosine transforms, inverse sine and cosine

transform.

Fourier transform and inverse Fourier transform, basic properties.

**ENGLISH V (10 marks)**

For English, out of 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 plus 2 standards.

**SYLLABUS FOR B.SC STUDENTS**

**MATHEMATICS(40 marks)**

**Module 1**

Linear algebra

Systems of linear equations, Solution by Gauss elimination, row echelon form and rank of a matrix, fundamental theorem for

linear systems (homogeneous and non-homogeneous, without proof), Eigen values and eigen vectors. Diagonaliztion of

matrices, orthogonal transformation, quadratic forms and their canonical forms.**Module 2**

Multivariable calculus-Differentiation and Integration

Concept of limit and continuity of functions of two variables, partial derivatives, chain rule, total derivative, Relative maxima

and minima, Absolute maxima and minima on closed and bounded set.

Double integrals (Cartesian),reversing the order of integration, Change of coordinates (Cartesian to polar).**Module 3**

Sequences and series

Convergence of sequences and series, convergence of geometric series and p-series(without proof), test of convergence

(comparison, ratio and root tests without proof).

Taylor series (without proof, assuming the possibility of power series expansion in appropriate domains), Binomial series and

series representation of exponential, trigonometric, logarithmic functions (without proofs of convergence); Fourier series,

Euler formulas, Convergence of Fourier series (without proof).**Module 4**

Calculus of vector functions Vector valued function of single variable, derivative of vector function and geometrical interpretation, motion along a curve- velocity, speed and acceleration. Concept of scalar and vector fields , Gradient and its properties, directional derivative ,divergence and curl.**Module- 5**

Ordinary differential equations, Laplace Transforms and Fourier Transforms

Homogenous linear differential equation of second order, superposition principle, general solution, homogenous linear ODEs

with constant coefficients-general solution. Solution of Euler-Cauchy equations (second order only). Existence and

uniqueness (without proof).

Laplace Transform and its inverse, linearity, Laplace transform of basic functions, Laplace transform of derivatives and

integrals, solution of differential equations using Laplace transform, Unit step function.

Fourier integral representation, Fourier sine and cosine integrals. Fourier sine and cosine transforms, inverse sine and cosine

transform. Fourier transform and inverse Fourier transform, basic properties.

**ENGINEERING PHYSICS (30 marks)** **Module 1**

Engineering Mechanics and Friction

Introduction to Engineering Mechanics-statics-basic principles of statics-Parallelogram law, equilibrium law, principles of

superposition and transmissibility, law of action and reaction(review) free body diagrams.

Concurrent coplanar forces-composition and resolution of forces-resultant and equilibrium equations –methods of projections

– methods of moments .

Friction – sliding friction – Coulomb’s laws of friction – analysis of single bodies –wedges, ladder- analysis of connected

bodies .**Module 2**

Dynamics – rectilinear translation – equations of kinematics (review) kinetics – equation of motion – D’Alembert’s principle.

– motion on horizontal and inclined surfaces, motion of connected bodies. Impulse momentum equation and work energy

equation (concepts only).

Rotation – kinematics of rotation- equation of motion for a rigid body rotating about a fixed axis – rotation under a constant

moment. Plane motion of rigid body – instantaneous centre of rotation (concept only).

Simple harmonic motion – free vibration –degree of freedom- undamped free vibration of spring mass system-effect of

damping(concept only)**Module 3**

Oscillations, Waves and Wave Optics

Harmonic oscillations, Damped harmonic motion- Over damped, Critically damped and Under damped Cases, Quality

factor-Expression, Forced oscillations, Amplitude Resonance-Expression for Resonant frequency, Quality factor and

Sharpness of Resonance, Wave motion- Derivation of one dimensional wave equation and its solution.

Interference of light-Principle of superposition of waves, Theory of thin films – Cosine law (Reflected system), Derivation of

the conditions of constructive and destructive Interference, – Measurement of wavelength and refractive index, Diffraction of

light, Fresnel and Fraunhofer classes of diffraction.

M**odule 4**

Quantum Mechanics & Nanotechnology

Introduction for the need of Quantum mechanics, Wave nature of Particles, Uncertainty principle,Applications-Absence of

electrons inside a nucleus and Natural line broadening Mechanism. Introduction to nanoscience and technology, Increase in

surface to volume ratio for nanomaterials, Quantum confinement in one dimension, Properties of nanomaterials-mechanical,

electrical and optical, Applications of nanotechnology (qualitative ideas)

Acoustics & Ultrasonics

Acoustics, Classification of sound-Musical sound-Noise, Characteristics of Musical Sounds-Pitch orfrequency-Loudness or

Intensity-Measurement of Intensity level-Decibel-Quality or timbre, Absorption coefficient, Reverberation-Reverberation

time-Significance- Factors affecting architectural acoustics and their remedies, Magnetostriction effect and Piezoelectric

effect, Magnetostriction oscillator and piezoelectric oscillator –Working, Detection of ultrasonic waves.**Module 5**

Laser and Fibre optics

Properties of laser, Absorption and emission of radiation, Spontaneous and stimulated emission, Construction and working of

Ruby laser and Helium neon laser .Applications of laser, Holography, Difference between hologram and photograph,

Applications Optic fibre-Principle of propagation of light, Types of fibres-Step index and Graded index fibres, Numerical

aperture.

**ENGINEERING CHEMISTRY (20 marks) ****Module 1**

Electrochemistry and Corrosion

Introduction – Differences between electrolytic and electrochemical cells – Daniel cell – redox reactions – cell representation.

Different types of electrodes (brief) – Reference electrodes – SHE – Calomel electrode – Glass Electrode – Construction and

Working. Single electrode potential – definition – Helmholtz electrical double layer -Determination of E0 using calomel

electrode. Determination of pH using glass electrode. Electrochemical series and its applications. Free energy and EMF –

Nernst Equation – Derivation – single electrode and cell (Numericals) -Application – Variation of emf with temperature.

Potentiometric titration – Introduction -Redox titration only. Lithiumion cell – construction and working. Conductivity-

Measurement of conductivity of a solution (Numericals).

Corrosion-Electrochemical corrosion – mechanism. Galvanic series- cathodic protection – electroless plating –Copper and

Nickel plating.**Module 2**

Spectroscopic Techniques and Applications

Introduction- Types of spectrum – electromagnetic spectrum – molecular energy levels – Beer Lambert’s law (Numericals).

UV-Visible Spectroscopy – Principle – Types of electronic transitions – Energy level diagram of ethane, butadiene, benzene

and hexatriene. Instrumentation of UV-Visible spectrometer and applications.IR-Spectroscopy – Principle – Number of

vibrational modes – Vibrational energy states of a diatomic molecule and -Determination of force constant of diatomic

molecule (Numericals) –Applications. 1H NMR spectroscopy – Principle – Relation between field strength and frequency –

chemical shift – spin-spin splitting (spectral problems ) – coupling constant (definition) – applications of NMR- including

MRI (brief).**Module 3**

Instrumental Methods and Nanomaterials

Thermal analysis –TGA- Principle, instrumentation (block diagram) and applications – TGA of CaC2O4.H2O and polymers.

DTA-Principle, instrumentation (block diagram) and applications – DTA of CaC2O4.H2O. Chromatographic methods – Basic

principles and applications of column and TLCRetention factor. GC and HPLC-Principle, instrumentation (block diagram) –

retention time and applications.

Nanomaterials – Definition – Classification – Chemical methods of preparation – Hydrolysis and Reduction – Applications of

nanomaterials – Surface characterisation -SEM – Principle and instrumentation (block diagram).**Module 4**

Stereochemistry and Polymer Chemistry

Isomerism-Structural, chain, position, functional, tautomerism and matamerism – Definition with examples – Representation

of 3D structures-Newman, Sawhorse, Wedge and Fischer projection of substituted methane and ethane. Stereoisomerism –

Geometrical isomerism in double bonds and cycloalkanes (cis-trans and E-Z notations). R-S Notation – Rules and examples –

Optical isomerism, Chirality, Enantiomers and Diastereoisomers-Definition with examples. Conformational analysis of

ethane, butane, cyclohexane, mono and di methyl substituted cyclohexane.

Copolymers – Definition – Types – Random, Alternating, Block and Graft copolymers – ABS – preparation, properties and

applications.Kevlar-preparation, properties and applications.Conducting polymers – Doping -Polyaniline and Polypyrrole –

preparation properties and applications. OLED – Principle, construction and advantages.**Module 5**

Water Chemistry and Sewage Water Treatment

Water characteristics – Hardness – Types of hardness- Temporary and Permanent – Disadvantages of hard water -Units of

hardness- ppm and mg/L -Degree of hardness (Numericals) – Estimation of hardness-EDTA method (Numericals). Water

softening methods-Ion exchange process-Principle, procedure and advantages. Reverse osmosis – principle, process and

advantages. Municipal water treatment (brief) – Disinfection methods – chlorination, ozone andUV irradiation.

Dissolved oxygen (DO) -Estimation (only brief procedure-Winkler’s method), BOD and COD definition, estimation (only

brief procedure) and significance (Numericals). Sewage water treatment – Primary, Secondary and Tertiary – Flow diagram –

Trickling filter and UASB process

**PROGRAMING IN C ( 15 marks) ****Module 1**

Basics of Computer Hardware and Software

Basics of Computer Architecture: processor, Memory, Input& Output devices Application Software & System software: Compilers, interpreters, High level and low level languages Introduction to structured approach to programming, Flow chart Algorithms, Pseudo code (bubble sort, linear search – algorithms and

pseudocode)**Module 2**

Program Basics

Basic structure of C program: Character set, Tokens, Identifiers in C, Variables and Data Types , Constants, Console IO

Operations, printf and scanf

Operators and Expressions: Expressions and Arithmetic Operators, Relational and Logical Operators, Conditional operator,

size of operator, Assignment operators and Bitwise Operators. Operators

Precedence

Control Flow Statements: If Statement, Switch Statement, Unconditional Branching using goto statement, While Loop, Do

While Loop, For Loop, Break and Continue statements.(Simple programs covering control flow)**Module 3**

Arrays and strings

Arrays Declaration and Initialization, 1-Dimensional Array, 2-Dimensional Array

String processing: In built String handling functions (strlen, strcpy, strcat and strcmp, puts, gets) Linear search program,

bubble sort program, simple programs covering arrays and strings**Module 4**

Working with functions

Introduction to modular programming, writing functions, formal parameters, actual parameters Pass by Value, Recursion,

Arrays as Function Parameters structure, union, Storage Classes, Scope and life time of variables, simple programs using

functions**Module 5**

Pointers and Files

Basics of Pointer: declaring pointers, accessing data though pointers, NULL pointer, array access using pointers, pass by

reference effect

File Operations: open, close, read, write, append.

Sequential access and random access to files: In built file handling functions (rewind(), fseek(), ftell(), feof(), fread(),

fwrite()), simple programs covering pointers and files.

34

**ENGLISH (15 marks)**

Total 15 questions for 15 marks based on the following topics Vocabulary Building , The concept of Word Formation, Root words from foreign languages and their use in English, Acquaintance with prefixes and suffixes from foreign languages in English to form derivatives. Synonyms, antonyms, and standard abbreviations. Basic Writing Skills, Sentence Structures, Use of phrases and clauses in sentences, Importance of proper punctuation, Creating coherence, Organizing principles of paragraphs in documents, Techniques for writing precisely

Identifying common errors in writing, Subject-verb agreement, Noun-pronoun agreement, Misplaced modifiers, Articles Prepositions, Redundancies, Clichés, Nature and Style of sensible writing, Describing , Defining, Classifying, Providing examples or evidence, Writing introduction and conclusion.

### DTE Kerala LET Exam Pattern 2021

**Part A of the Entrance Test for Diploma and D.Voc stream candidates is for 120 marks and will be on following selected subjects of First year B.Tech course and English language.**

- Basic civil &Mechanical Engg – 30 marks
- Basic of Electrical and Electronics Engg – 30 marks
- Programming in C – 15 marks )
- Engineering Mechanics -15 marks
- Mathematics -20 marks
- English -10 marks

**Part B of the Entrance Test for B.Sc stream candidates is for 120 marks and will be on following selected subjects of first year B.Tech course and English language**

- Mathematics-40 marks
- Physics -30 marks
- Chemistry – 20 marks
- Programming in C- 15 marks
- English -15 marks

### DTE Kerala LET Result 2021

After the successful completion of exam , university has released the result on their official website. Candidate can check result from the website and here also. A fully computerized system has been adopted for the valuation of the answer scripts using Optical Mark Reader (OMR) system and for the results. The marks secured by the Candidates will not be disclosed under any circumstances and any such enquiries will not be entertained. There is no provision for revaluation or rechecking of the answer scripts or recounting of the marks.

**Resolution of tie for preparing the rank list for the Diploma/D.Voc stream**

a) If there is any tie exists for same rank, candidates with higher score in Mathematics will be placed in higher rank.

b) If tie still exists, candidates with higher score in English will be placed in higher rank.

c) If the tie further exists, age of the candidate will be taken into account and the older will be placed in higher rank than the younger one.

**Resolution of tie for preparing the rank list for B.Sc stream**

a. If there is any tie exists for same rank, candidates with higher score in Mathematics will be placed in higher rank.

b. If tie still exists, candidates with higher score in Physics will be placed in higher rank.

c. If the tie further exists, age of the candidate will be taken into account and the older will be placed in higher rank than the younger one.

### DTE Kerala LET Seat Allotment 2021

The candidates who will successfully get through all the verification rounds, will be called for seat allotment. For the allotment, the candidates will be called as per their rank. If the seat is vacant in the prefered course and campus, the seat will be allocated to the candidates. Candidates can check the login link provided here.

- The allotment of seats will be made by the Director of Technical Education, Kerala on the basis of the rank list published and availability of seats in the various categories through the website http://www.admissions.dtekerala.gov.in, according to the options given by the Candidates.
- Allotment Memo will be published in the website for download. No duplicate Memo will be issued in any case after allotment.
- Candidates who are eligible for allotment on the basis of the Rank List will have to enter their options online. After each allotment there will be provision for rearranging the options.
- Once the candidate gets an allotment, he/ she will have to join the particular institution and then only he/ she will be considered for further allotments. Otherwise his/ her candidature will be cancelled.
- Once the candidate gets an allotment, all the lower options will automatically be cancelled and reallotment will only be done for higher options. The candidate who got the higher option in subsequent allotment, the previous institution must issue TC and report of vacancy to the Directorate of Technical Education.
- If the candidate is satisfied with the allotment he/she gets in a particular allotment and if he/she does not want to be considered for further allotments, he/ she will have to cancel all the remaining options.
- The selection for admission will be provisional and subject to the verification of the original documents by the concerned Principals at the time of admission.
- Any other details not specifically covered by the clauses given in the prospectus will be decided by the undersigned and his/her decision will be final. He/ She is also empowered to cancel any admission found to be illegal subsequent to the admission.
- All disputes pertaining to the Examination or admission shall fall within the jurisdiction of the Honorable High Court of Kerala.

### DTE Kerala LET Reservation of Seats 2021

- All seats under Lateral Entry scheme will be filled from the common rank list prepared by the Directorate of Technical Education for the LET Admission 2021.
- In Government Engineering Colleges all seats under Lateral Entry scheme will be allotted as Government seats
- 15% of seats under Lateral Entry are reserved as Management seats in Aided Engineering Colleges and remaining 85% will be allotted as Government seats.
- The availability of Government seats in Government controlled and other Private Self-Financing Engineering Colleges will be announced before the ensuing online admission.
- Communal reservation for candidate belonging to Socially and Educationally Backward Classes (SEBC) and SC/ST category will be followed as per Govt. norms. Detailed list of communities under these categories are included in Annexure D, E, F, F (a) and G.
- 5% Seats are reserved for physically disabled candidates. Candidates claiming reservation under physically disabled quota shall have a minimum of 40% disability. A disability Certificate from the District Medical Board has to be attached along with the application. Such candidates are also directed to produce a certificate obtained from a Medical officer not below the rank of Assistant surgeon to ensure the fitness of candidates to undergo the course at the time of admission.
- One seat each is reserved for Electronics and Communication Engineering, Electrical & Electronics Engineering, Civil Engineering, Mechanical Engineering, Computer Science & Engineering, and Information Technology branch for defense quota. For claiming reservation in this quota, the certificate obtained from the concerned authority in the prescribed format (Annexure H) provided in the body of the application form is to be produced.

### DTE Kerala LET Fee Structure 2021

**Official Website: dtekerala.gov.in.**

**For more details about DTE Kerala LET 2021 – Download Information Brochure.**

DTE Kerala Lateral Entry Admission & Exams

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