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BSNL TTA EXAMINATION-2013 

BSNL M.P. CIRCLE

EXAM SCHEME & SYLLABUS

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 type Paper of 3 hrs. duration as per details given below:

1. PART-I     GENERAL ABILITY TEST   20
2. PART-II    BASIC ENGINEERING         90 
3. PART-III   SPECIALIZATION                  90

Note1.The candidate is required to obtain minimum qualifying marks in each these parts as may be prescribed by the BSNL.  

PART-I: GENERAL ABILITY TEST - 20 MARKS 

The candidate’s comprehension & understanding of General English shall be tested through simple exercise such as provision of antonyms and synonyms, fill in the blanks and multiple-choice exercise 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; Laser and its Application, Atomic Structure and Energy Levels.

3.Basic Electricity: 

• Electrostatics, Coulomb’s law, Electric field, Gauss’s theorem, concept of potential difference; concept of capacitance & capacitors; Ohm’s law power and energy, Kirchoff’s voltage, current laws & 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.Electronics 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, Semiconductor Diode; Bipolar transistor & their circuits; Transistor Biasing Stabilization of operating point; Single stage transistor amplifier,field effect transistor, Mosfet circuits applications. M ultistage 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 switiching circuits. B lock 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 & advantages of digital systems; number system (binary and hexadecimal); Logic Gates; Logic Simplication, Codes and Parity; Arithmetic Circuits; Decoders, Display Devices and Associated Circuits Multiplexers and De-multiplexers; Latches and Flip Flops; Counters; Shift Registers; Memories; A/D and D/A converters. 

PART-III: SPECIALIZATION -90 MARKS

1.Electrical:

• 3 phases 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, circuits 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, cycloconverters power electronics application in control of drivers,refrigeration & air conditioning.

2.Communication:

• Modulation & demodulation- principles & operation of various types of AM, FM & PM modulators /demodulators; pulse modulation-TDM,PAM, PPM, PWM, Multiplexing, Principles & applications of PCM.Introduction of Basic block diagram of digital & data communication systems, Coding error detection & correction techniques; Digital Modulation Techniques- ASK, ICW, FSK, PSK; Characteristics/working of data transmission circuits; UART, USART; Modems; Protocols & their functions, brief idea of ISDN interfaces, local areas Network,Carrier Telephony – Features of carrier telephone system.Microwave Engineering; Mecrowave Devices; Wave- guides; Microwave Components; Microwave Antennas; Microwave Communication Systems- Block diagram & working principal’s of microwave communication link.

3.Network, Filters and Transmission Lines:

• 2- port network,Attenuators,Filters,Transmission Lines & their applications, characteristic impedence of line,concept of refection & standing waves on a transmission line, Trans mission line equation,Principles of impedance matching,Bandwidth consideration of a transmission line.

4.Instruments and Measurements:

• Specification of Instruments-accuracy,precision,sensitivity,resolution range,Errors in measurements & loading effect,principles of voltage,current & resistance measurements, Transducers, measurement of displacement & strain,forces & 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 & specifications of logic probes,signature analyzer & logic analyzer,signal generator, distortion factor meters,spectrum analyzer.

5.Control Systems:

• Basic elements of control system,open & closed loop system,concept of feedback, Block diagram of control system,Time lag,hysterisis,linearity concepts,Self-regulating & non-self regulating control systems,Transfer function of simple control components, single feedback configuration.Time response of systems.
• Stability Analysis Characteristics equation,Routh’s table,Nyquist criterion ,Relative stability,phase margin and gain margin.
• Routh Hurwitz critierion,root locus techniques,Bode plot, Power plot ,Gain margin and phase margin.

6.Microprocessors:

• Typical organization of a microcomputer system & functions of its various blocks, Architecture of a Microprocessors, 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 excercises in assembly language ,concept of interrupt, Data transfer techniques-sync data transfer, interrupt driven data transfer,DMA ,serial out put data, serial input data.

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