BSNL TTA EXAM SYLLABUS AND PATTERN

SYLLABUS FOR DIRECT RECRUITMENT TO THE CADRE OF TTA

THROUGH COMPETITIVE EXAMINATION

Standard and syllabi

                     

The standard of paper in General ability test will be such as may be

expected of an engineering diploma holder. The standard of papers in other

subjects will approximately be that of Diploma level of an Indian polytechnic.

There shall be three written (objective type) papers (Paper – I, Paper II,

Paper III) as per details given below :

Paper                                            Marks                     Time allowed

Paper I  General ability test              20

Paper II Basic Engineering                90                         3 HOUR'S

Paper III Specialization                     90

Detailed Syllabus

PAPER - I

General Ability Test : 20 Marks

The candidate’s comprehension and understanding of General English shall be

tested through simple exercises such as provision of antonyms and synonyms,

fill in the blanks and multiple choice exercises etc. This shall also include

questions on current events, general knowledge and such matters of

everyday observation and experience as may be expected of an educated

person.

PAPER - II

Basic Engineering : 90 Marks

Detailed Syllabus is as under :

1. Applied Mathematics : Co-ordinate Geometry; Vector Algebra; Matrix

and Determinant: Differential Calculus and Integral Calculus:

Differential equation of second order: Fourier Series; Laplace

Transform; Complex Number; Partial Differentiation.

2. Applied Physics: Measurement – Units and Dimensions; Waves,

Acoustics, Ultrasonics; Light; Laser and its applications; Atomic

Structure and Energy Levels.

3. Basic Electricity: Electrostatics, Coulomb’s Law, Electric field, Gauss’s

Theorem, concept of potential difference; concept of capacitance and

capacitors; Ohm’s law, power and energy, Kirchoff’s voltage, current

laws and their applications in simple DC circuits; Basic Magnetism;

Electro Magnetism: Electromagnetic induction; concept of alternating

voltage & current; Cells and Batteries; Voltage and Current Sources;

Thevenin’s theorem, Norton’s theorem and their applications.

4. Electronic Devices and Circuits: Classification of materials into

conductor, semi conductor, Insulator etc., electrical properties,

magnetic materials, various types of relays, switches and connectors.

Conventional representation of electric and electronic circuits elements.

Active and passive components; semi conductor Physics; Semi

conductor Diode; Bipolar Transistor & their circuits; Transistor Biasing

& Stabilisation of operating point; Single stage transistor amplifier’;

field effect transistor, Mosfet circuit applications.

Multistage Transistor Amplifier; Transistor Audio Power Amplifiers;

Feedback in amplifier; Sinusoidal Oscillators; Tuned Voltage amplifiers;

Opto Electronics Devices and their applications; operational amplifier;

Wave shaping and switching circuits.

Block Diagram of I.C. timer (such as 555) and its working Multivibrator

Circuits; time base circuits; thyristors and UJT regulated power supply.

5. Digital Techniques: Applications and advantages of digital systems;

number system (binary and hexadecimal); Logic Gates; Logic

Simplifications; Codes and Parity; Arithmetic Circuits; Decoders, Display

Devices and Associated Circuits; Multiplexers and De-multiplexers;

Latches and Flipflops, Counters, Shift Register, Memories; A/D and D/A

converters.

PAPER - III

Specialisation - 90 marks

Section A : Electrical

Section B : Communication

Section C : Networks, Filters and Transmission Lines

Section D : Instruments and Measurements

Section E : Control Systems

Section F : Microprocessors

Section G : Computers

Detailed syllabus for each section is as under:-

Section A : Electrical

3 Phase vs single phase supply, Star Delta connections, relation between

phase & line voltage, power factor and their measurements, constructions

and principles of working of various types of electrical measuring instruments,

all types of motor and generator – AC & DC, transformers, starters,

rectifiers, inverters, battery charges, batteries, servo and stepper motors,

contactor control circuits, switchgear, relays, protection devices & schemes,

substation, protective relaying, circuit breaker, generator protection,

transformer protection, feeder & lightening protection, feeder & busbar

protection, lightening arrestor, earthing, voltage stabilizer & regulators, power

control devices & circuits, phase controlled rectifiers, inverters, choppers, dual

converters, cycloconverters; power electronics application in control of

drivers, refrigeration & airconditioning.

Section B : Communication

Modulation and demodulation – principles and operation of various types of

AM, FM and PM modulators/demodulators; pulse modulation – TDM, PAM,

PPM, PWM; Multiplexing, Principles and applications of PCM.

Introduction of Basic block diagram of digital and data communication

systems; Coding error detection and correction techniques; Digital Modulation

Techniques – ASK, ICW, FSK, PSK; Characteristics/ working of data

transmission circuits, UART, USART; Modems, Protocols and their functions,

brief idea of ISDN interfaces, local area Network; Carrier Telephony -–

Features of carrier telephone system.

Section C: Microwave Engineering:

 Microwave Devices; Waveguides; Microwave

Components; Microwave antennas; Microwave Communication Systems –

Block diagram & working principles of microwave communication link.

Section C : Network, Filters and Transmission Lines

Two port network; Attenuators , Filters; Transmission Lines and their

applications; characteristic impedance of line; concept of reflection and

standing waves on a transmission line; Transmission line equation; Principle

of impedance matching; Bandwidth consideration of a transmission line.

Section D : Instruments and Measurements

Specifications of instruments accuracy, precision, sensitivity, resolution

range, Errors in measurement and loading effect; Principles of voltage,

current and resistance measurements Transducers, measurement of

displacement & strain, force & torque measuring devices, pressure measuring

devices, flow measuring devices, power control devices & circuits. Types of

AC millivoltmeters – Amplifier rectifier and rectifier amplifier; Block diagram

explanation of a basic CRO and a triggered sweep, oscilloscope, front panel

controls; Impedance Bridges and Q Meters; Principles of working and

specifications of logic probes, signature analyser and logic analyser, signal

generator, distortion factor meter, spectrum analyser.

Section E : Control systems

Basic elements of control system, open and closed loop system, concepts of

feedback. Block diagram of control system. Time lag, hysterisis, linearity

concepts. Self regulating and non self regulating control systems. Transfer

function of simple control components, single feedback configuration.

Time response of systems.

Stability Analysis – characteristic equation, Routh’s table Nyquist critereon,

Relative stability, phase margin and gain margin.

Routh Hurwitz critereon, root locus technique, Bode plot, Polar plot, Gain

margin and phase margin.

Section F : Microprocessors

Typical organisation of a microcomputer system & functions of its various

blocks; Architecture of a Microprocessor; Memories and I/O Interfacing ; Brief

idea of M/C & assembly languages, Machines & Mnemonics codes; instruction

format and Addressing mode; concept of Instructionset ; programming

exercises in assembly language; concept of interrupt; Data transfer

techniques – Sync data transfer, async data transfer, interrupt driven data

transfer, DMA , serial output data, serial input data.

Section G : Computers

Computer and its working, types of computers, familiarisation with DOS and

Windows – concept of file, directory, folder, Number systems, Data

representation; Programming _ Elements of high level programming

language, PASCAL, C; use of basic data structures; Fundamentals of

computer architecture, Processor design, Control unit design, Memory

organisation. I/O system organisation. Microprocessors – micro processor

architecture. Instruction set and simple assembly level programming.

Microprocessor based system design ; typical examples. Personal computes

and their typical uses, data communication principles, types and working

principles of modems, Network principles, OSI model, functions of data link

layer and network layer, networking components, communication protocols- X

–25, TCP/IP.

Database Management System – basic concepts, entity relationship model,

relational model, DBMS based on relational model.