2012-2013 GATE Cut-off scores for BHEL

BSNL TTA(Telecom Technical Assistant) exam syllabus 2013

Bsnl TTA exam 2013 recruitment 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 be approximately be that of Diploma level of Indian Polytechnic. There shall be single multiple choice objective type Paper of 3 hours duration as per details given below:-

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

Detailed Syllabus

PART-I: GENERAL ABILITY TEST- 20 MARKS

The candidate’s comprehension and understanding of 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 experience as may be expected of Diploma holder.

PART -II: BASIC ENGINEERING- 90 MARKS

Detailed Syllabus is as under:

1. Applied Mathematics: Co-ordinate Geometry; Vector Algebras, 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 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 energy, Kirchoff’s voltage and 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. 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 circuit elements. Active and Passive components; semi conductors 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 Amplifier; 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 Simplification; Codes and Parity; Arithmetic Circuits; Decoders. Display Devices and Associated Circuits; Multiplexers and De-multiplexers; Latches and Flip Flops; Counters; Shift Register; Memories; A/D and D/A converters.

PART-III: SPECIALIZATION-90 MARKS

Detailed Syllabus is as under:

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, invertors, battery charges, batteries, servo and stepper motors, contactor control circuits, switch gear, relays, protection devices & schemes, substation, protection 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, invertors, choppers, dual converters, cyclo converters; power electronics application in control of drivers, refrigeration & air conditioning.

2. Communication: Modulation and demodulations-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.

Induction of Basic block diagram of digital and data communication system; coding error detection and correction techniques; Digital Modulation Techniques-ASK,ICW,FSK,SK; 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 System-Block diagram & working principles of microwave communication link.

3. Network, Filters and Transmission Lines: Two point network, Attenuator; Filters; Transmission Lines and their applications; characteristic impedance of line; concept of reflection and standing waves on transmission line; Transmission line equation; Principle of impedance matching; Bandwidth consideration of transmission line.

4. Instruments and Measurements: Specification of instruments-accuracy, precision, sensitivity, resolution range. Error in measurement and loading effect; Principles of voltage, current and resistance measurement; Transducers, measurement of displacement & strain, force & torque measuring devices, flow of measuring devices, power control devices & circuits. Types of AC milli voltmeters-Amplifier 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 specification of logic probes, signal 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 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; Characteristics equation. Routh’s table, Nyquist Criterion, Relative stability, phase margin and gain margin.

Robin Harwitz criterion; Root Locus technique, Bode plot, Polar plot, gain margin and phase margin.

6. Microprocessors: Typical organization of 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 and Mnemonic codes; Instructions format and Addressing mode; concept Instruction set; 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.

7. Computer: Computers and its working, types of computers, familiarization with DOS and window-concept of file, directory, folder, Number Systems; Data Communication. 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 Organization. Microprocessor-microprocessor architecture, instruction set and simple assembly level programming. Microprocessor 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 protocol-x.25, TCP/IP.

Database Management System-basic concepts, entity relationship model, relational

model, DBMS based on relational model.

What is Indian engineering service examination??

This is the one of the recruitment service in india to recruit students/persons from four engineering department(electronics and telecommunication, mechanical, electrical,and civil engineering) in government sectors.This is the one challenging and good job to the person who looking for higher post(grade-A & grade-B) in government engineering sectors.They releases a notification every year in the month of Feb/march endings we can also check the notification detail in UPSC calendar in the upsc website( www.upsc.gov.in).
Various government posts present in electronics and tele-communication department(Group-A & Group-B) are:

1. Indian railway service of signalling engineers.
2. Indian railway store service.
3. Indian naval armament service.
4. Assistant execuitive engineer Group-A in the corps of E.M.E, ministry of defence.
5. Central power engineering service Group-A.
6. Engineer(GCS-Gr-A) in wireless planing and co-ordination wing/monitoing organisation.(M/o Communications & I.T., D/o Telecommunications).
7. Assistant Naval stores officer Grade-1 in indian anvy
8. Indian Supply service, Group-A
9. Indian Telecommunication services Gr-A
10. Indian Ordinance Factories Service AWM/JTS.
11. Junior telecom Officer(Group-B Gazetted)
12. Central Power Engineering services Gr-B

Now to get in to these post first you must Qualify written Exam and Interview, Written Exam consists of  five papers and the exam will conduct on 3 days.
paper-1 General studies
Paper-2 Objective technical(6 subjects)
Paper-3 Objective technical(6 subjects)
Paper-4 Descriptive technical(6 subjects)
Paper-5 Descriptive Technical(6 subjects)
Each paper consists of 200 marks and the interview is of 200 marks totally 1200 marks.we have to clear all these rounds to enter in to government posts mentioned above and It is easy to clear IES if you have a good preparation plan and you must prepare at least 6months,So we should plan from now onwards ,if you need any help contact us. I will post syllabus and books for IES on later.

BARC gate cutoff score in 2013-2014

A mini robot powered by your smart phone TED video

Your smartphone may feel like a friend -- but a true friend would give you a smile once in a while. At TED2013, Keller Rinaudo demos Romo, the smartphone-powered mini robot who can motor along with you on a walk, slide you a cup of coffee across the table, and react to you with programmable expressions.

Keller Rinaudo is the co-founder and CEO of Romotive -- makers of the small, covetable robot, Romo.   Full bio in TED »

MNIT summer training programme on VLSI and EMBEDEDE sys for ECE

The Department of Electronics and Communication Engineering is organizing a summer training programme on VLSI Design and Embedded Systems for undergraduate students of 2nd and 3rdyear, Electronics/Electrical Engineering disciplines.

Eligibility: 

B.E./B.Tech.(Electronics/Electronics and Communication/Electronics and Telecommuni
cation/Electrical and Electronics/Electrical Engineering or similar discipline) Second Year and Third year students of any UGC/AICTE recognized University/ Institute/College.
Scope:The Course will cover device and circuit concepts in VLSI Design with related VLSI tools and also hardware, microcontroller, embedded systems, DSP processors and its applications (Topic wise details will be given separately).

Course fee:  is Rs.8000/- (Rupees Eight Thousand only) for Non-MNNIT students. Course fee for MNNIT students may be subsidized. This fee is non-refundable and is to be paid through Demand Draft in favor of “Chairman SNFCE, MNNIT Allahabad” payable at Allahabad.
Duration:5 weeks (5 days per week and 6 hours per day). The coursewill tentatively start on 11June 2013.

How to apply: Application form and information brochure is available on the Institute
website http://www.mnnit.ac.in. The applicants are required to download the application form and send the hard copy of the duly filled form to the Coordinator, Summer Training Programme, Department of Electronics and Communication Engineering, MNNIT Allahabad, Allahabad – 211004, Uttar Pradesh along with the course fee so asto reach on or before 30 April 2013. Please attach a self attested copy of mark sheet of the last semester i.e., either 4th semester or 6th semester. 

List of the short listed/selected candidates will be displayed on the departmental notice board and also on the Institute website http://www.mnnit.ac.in by 05.30 PM on 15thMay 2013. No separate letter will be sent to short listed candidates. For details and updates, candidates are advised to visit the
Institute website regularly.

Prasar bharati online mock exam(technical) question paper

Prasar bharati mock exam-1 technical question paper with answer

   1.        Which of the following is the ideal characteristics of OP-AMP

   A.      Bandwidth is zero

   B.      Offset voltage is infinite

   C.      Output voltage is infinite

   D.      CMMR is infinite

    2.       A signal has frequency components from 300Hz to 2 kHZ.    The minimum possible rate at which the signal has to be sampled

    A.      600Hz

B.      900Hz

C.      2kHz

D.      4Khz

3.       Negative feed back in amplifiers is used to

A.      Improves the SNR at the input

B.      Improves the SNR at the output

C.      Reduces distortion

D.      Doesn’t effect the SNR at the output

4.       In PCM system, if the quantization levels are increased from 2 to 8, the relative bandwidth requirement will.

A.       remain same

B.       be doubled

C.       be tripled

D.       become four times

5.       Fulladder consists of

A.      1 halfadder and 1 AND gate

B.      2 Halfadders and 1 XOR gate

C.      1 Halfadder and 1 OR gate

D.      2 Halfadders and 1 OR gate

6.       Flipflop is a

A.      Monostable

B.      Bistable

C.      Astable

D.      None of these

7.       For a 8 bit counter the number of filpflops required is

A.      2

B.      4

C.      3

D.      1

8.       In 8085 microprocessor The data bus has

A.      Unidirectional

B.      Bi-directional

C.      Both

D.      None of these

9.       The number of hardware interrupts in 8085 Microprocessors

A.      2

B.      4

C.      3

D.      5

10.   Which of the following is used for Wider bandwidth in amplifiers

A.      Cascade connection

B.      Darlington

C.      Cascode connection

D.      Both A and B

11.   When modulation changed from 0 to 1 then power increases by

A.      20%

B.      40%

C.      50%

D.      90%

12.   The highest modulation frequency typically used in AM broadcast is

A.      5KHz

B.      10kHz

C.      15kHz

D.      22kHz

13.   Time division multiplexing used in

A.      Analog communication

B.      Digital communication

C.      Both A and B

D.      None of these

14.   In a delta modulation the slope overload and Granular noise occurs when

A.      Δ small an Δ small

B.      Δ large and Δ small

C.      Δ small and Δ large

D.      Δ large and Δ large

15.   Convert decimal number (0.8125)₁₀ to a binary number

A.      (0.1101)₂

B.      (0.1001)₂

C.      (0.1100)₂

D.      (0.1111)₂

16.   Gray code is also called as

A.      Cyclic code

B.      Reflected code

C.      Both A and B

D.      None of these

17.   Common base  amplifier has

A.      High input impedance

B.      High output impedance

C.      Low output impedance

D.      None

18.   In negative feedback the distortion will

A.      Increase

B.      Decrease

C.      Some times increase some times decrease

D.      None of the above

19.   Barkausens criteria is

A.      Aβ=1

B.      Aβ=-1

C.      Both A and B

D.      None

20.   Which of the following is more stable

A.      Wien bridge oscillator

B.      Crystal oscillator

C.      RC oscillatory

D.      Colpitts Oscillator

21.   The forbidden energy gap for germanium atom

A.      1.1 ev

B.      0.7 ev

C.      0.3 ev

D.      None

22.   Maxwell’s curl equation for state magnetic field is given by

A.      ΔxB=μ₀J

B.      ΔxB=0

C.      Δ.B=μ₀J

D.      ΔxB=μ₀/J

23.   For reflection coefficient ρ=0.5,VSWR is

A.      2

B.      3

C.      4

D.      8

24.   The unit of μ₀ε₀ is

A.      Farad henry

B.      Meter²/sec²

C.      Amp-sec

D.      None

25.   A low loss transmission line has

A.      R=ωl, G=ωC

B.      R<<ωL, G<<ωC

C.      R>>ωL, G>>ωC

D.      None

26.   Which of the following has longest wavelength

A.      HF

B.      VHF

C.      UHF

D.      SHF

27.   For a good conductor, the skin depth varies:

A.      Directly as frequency f

B.      Directly as √f

C.      Inversely as √f

D.      None

28.   An antenna that is circularly polarized is

A.      Helical

B.      Yagi-uda

C.      Parabolic

D.      Small circular loop

29.   In series resonance circuit the voltage source is

A.      Low resistance

B.      High resistance

C.      Zero resistance

D.      None of the above

30.   A network is non linear if it doesn’t satisfy

A.      Homogeneity

B.      Superposition theorem

C.      Associative condition

D.      Both A and B

31.   The gray code for number 6 is

A.      1100

B.      1001

C.      0101

D.      0110

32.   What is the addressing mode used in instruction LDA 0345

A.      Direct

B.      Indirect

C.      Immediate

D.      Indexed

33.   How many modes of operations are there in 8255 PPI?

A.      1

B.      2

C.      3

D.      4

34.   Which of the following has lowest efficiency

A.      Class A

B.      Class B

C.      Class AB

D.      Class C

35.   The differential amplifier has a differential gain of 20000 CMRR=80dB. The common mode gain is

A.      2

B.      1

C.      0.5

D.      0

36.   Super-beta transistor is a

A.      Cascade configuration

B.      Cascode configuration

C.      Darlington configuration

D.      Matched pair

37.   To eliminate ghosts in the picture

A.      Use a longer transmission line

B.      Connect a booster

C.      Change the antenna orientation or location

D.      Twist the transmission line

38.   Vividhbharatiprogramme is transmitted in

A.      Short waves

B.      Medium frequency

C.      Very high frequency

D.      None

39.   The double energy transients occur in the

A.      R-L circuit

B.      R-C circuit

C.      Pure inductive circuit

D.      R-L-C circuit

40.   The unit of flux is

A.      Weber

B.      Tesla

C.      Joule

D.      Weber/m²

41.   The transfer function H(s)=(s²-5s+100)/s²+5s+100 represents

A.      A high pass filter

B.      A band elimination filter

C.      A resonator

D.      An all pass filter

42.   Double spotting in superhetrodyne receiver is caused by

A.      Poor front-end rejection

B.      Misalignment of receiver

C.      Detuning of one or more IF stages

D.      Non-functioning of AGC

43.   The ratio of distance between cochannel to radius of the cell (D/R)is

A.      N

B.      √N

C.      3√N

D.      √(3N)

44.   MAHO stands for

A.      Mobile additive hand off

B.      Mobile assisted Hand off

C.      Mounted additive hand off

D.      None of the above

45.   Traffic intensity is measured by

A.      Traffic

B.      Erlangs

C.      Seconds

D.      Decibels

46.   Frequency selective fading means

A.      Band width of the signal is greater than the band width of the channel

B.      Delay speed is greater than symbol speed

C.      Both A and B

D.      None of these

47.   HLR stands for

A.      Home localized rectifier

B.      Home location register

C.      Home loyality register

D.      None

48.   A receiver has poor if selectivity,it will therefore also have poor

A.      Blocking

B.      Double spotting

C.      Diversity reception

D.      Sensitivity

49.   The number of lines per second in the US monochrome TV system

A.      31,500

B.      15,750

C.      63.5

D.      525

50.   An LED made using GaAs emits radiation in

A.      Visible region

B.      Ultraviolet region

C.      Infrared region

D.      Microwave frequency region