BSNL is planning to Recruit DR TTA from OPen market very soon
Educational Qualifications
i) Three Years Engineering Diploma in :- - Telecommunications Engineering - Electronics Engineering - Electrical Engineering - Radio Engineering - Computer Engineering - Instruments Technology - Information Technology.
ii) M.Sc (Electronics) from a recognized Board/ University.
Exam pattern
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 a single multiple choice objective types Paper of 3 hrs. duration as per details given below:-
Paper Subject Marks
Part-I General ability test 20
Part-II Basic Engineering 90
Part-III Specialization 90
TIME THREE HOUR
Note: 1. The candidate is required to obtain minimum qualifying marks in each of the parts as prescribed by the BSNL.
Detailed Syllabus
Part-I General ability test:- 20 Marks.
The candidate‟s comprehension and understanding or General English shall be tested through simple exercise 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 experiences as may be expected of Diploma holder.
Part-II Basic Engineering :- 90 Marks.
1) Applied Mathematics :-
Co-ordinate Geometry, Vector Algebra, Matrix and Determinant, Differential Calculus, Integral Calculus, Differential equation of second order, Fourier Series, Laplace Transform, Complex Number, Partial Differentiation.
2) Applied Physics :-
Measurement- Units and Dimension, Waves, Acoustics, Ultrasonic, Light, Laserand 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 in to conductor, semi conductor, insulator etc., electrical properties, magnetic materials, various types of relays, switches and connectors, Conventional representation of electric and electronic circuit elements. Active and passive components, semi conductor Physics, Semiconductor Diode, Bipolar Transistor and their circuits, Transistor, Biasing and Stabilisation of operating points, 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, Motivation Circuits, Time Base Circuits, Thyristory and UJT, Regulated Power supply.
5) Digital Techniques :-
Applications and advantages of digital systems, number system (binary and hexadecimal), Logic Gates, Logic Simplication, Codes and parity, Arithmetic Circuits, Decoders, Display Devices and Associated Circuits, multiplexes and De-multiplexes, Latches and Flip Plops, Counters, Shift Register, Memories, A/D and D/A converters.
Part-III Specialization :- 90 Marks.
1. Electrical :-
3 phase vs single phase supply, Star Delta Connections, relation between phase & line voltage, power factor, and their measurements, construction 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, cyclo converters, power electronics application in control of drivers, refrigeration & air conditioning.
2. 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, PSK, FSK, Characteristics/working of data transmission circuits, UART, USART, Modems, protocols and their function, brief idea of ISDN interfaces, local area Network, Carrier Telephony- Features of carrier telephone system. Microwave Engineering, Microwave devices, Wave guides, Microwave Components, Microwave antennas, Microwave Communication Systems- Block diagram & working principles of microwave communication link.
3. Networks, 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, Principles of impedance matching, Bandwidth consideration of a transmission line.
4. 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 and strain, forces and 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.
5. Control Systems :-
Basic elements of control system, open and closed loop system, concepts of feed back, 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 criterion, Relative stability, phase margin and gain margin. Routh Hurwitz criterion, root locus technique, Bode plot, Polar plot, Gain margin and phase margin.
6. Microprocessors:-
Typical organization of a microcomputer system and functions of its various blocks, Architecture of a Microprocessor, Memories and I/O Interfacing, Brief idea of M/C & assembly languages, machines & Mnemonic codes, Instruction format and Addressing mode, concept of Instruction set, Programming exercises in assembly language, concept of interrupt, Data transfer techniques- sync data transfer, interrupt driven data transfer, DMA, serial output data, serial input data.
7. Computers:-
Computer and its working, types of computers, familiarization with DOS and Windows – concept of file, directory, folder, Number Systems, Data representation, Programming- Elements of a high level programming language, PASCAL, C, Use of basic data structures, Fundamentals of computer architecture, Processor design, Control unit design, Memory organization. I/O system Organisation. Microprocessors – microprocessor architecture, instruction set and simple assembly level programming. Microprocessors based system design, typical examples. Personal computers 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 protocolsa-X.25, TCP/IP. Database Management System- basic concepts, entity relationship model, relational model, DBMS based on relational model.
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