The standard of paper in BSNL TTA Exam 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. Question paper consist 200 question and you can
solve them in 3 hours.
There shall be three section of exam as
per details given below:
General ability test: 90 marks
Basic Engineering: 90 marks
Specialization: 90 marks
Detailed Syllabus of BSNL TTA Exam
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.
Basic
Engineering : 90 Marks
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, Ultrasonic; 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,
Kirchhoff’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 & Stabilization
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.
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, contractor control circuits, switch gear, relays, protection devices & schemes, substation, protective relaying,
circuit breaker, generator protection, transformer protection, feeder &
lightening protection, feeder & bus bar protection, lightening arrestor,
earthing, voltage stabilizer & regulators, power control devices & circuits, phase
controlled rectifiers, inverters, choppers, dual converters, cyclo converters; power
electronics application in control of drivers, refrigeration & air conditioning.
Section B : Communication
Modulation and demodulation –
principles and operation of various types of AM, FM and PM
modulators/modulators; 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.
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 milli voltmeters – 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 analyzer and logic analyzer, signal
generator, distortion factor meter,
spectrum analyzer.
Section E : Control systems
Basic elements of control system,
open and closed loop system, concepts of feedback. Block diagram of control
system. Time lag, hysteresis, 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.
