SSC PRASAR BHARATHI ENGINEER ASST SYLLABUS AND SAMPLE QUESTION

SSC Recruitment 2013 – Apply online for 1630 Engg Asst & Technician Vacancies


Staff Selection Commission has issued notification for filling up of 1630 Engineering Assistant & Technician Vacancies on behalf of the Prasar Bharati under special dispensation given by the Government. Eligible candidates can apply through online from 23-02-2013 for Part – I & II Registration up to 20-03-2013 for  Part – I registration  & 22-03-2013 for Part – II registration. For more details regarding age limit, educational qualifications, selection process, application fee and how to apply are mentioned below.

SYLLABUS

PAPER I

General Awareness : 50 qs

General Aptitude and Resoning : 50 qs

Technical Questions :100 qs

total 2hrs

PAPER II

Technical Descriptive for 200 marks

  

For general awareness question click here

For aptitude and reasoning question click here

CLICK HERE FOR NOTIFICATION

CLICK HERE TO APPLY..


Sample Questions for EC,IT

1. What does AM mean?

                Analog Modulation

2. What frequency range is the High Frequency band?

                 3 to 30 MHz

3. What does EPROM stand for?

                Erasable Programmable Read Only Memory 

4. Which is a type of Electrically-Erasable Programmable Read-Only Memory?

                Flash 

5. What does the term PLC stand for?

                Programmable Logic Controller 

 

6. Sometimes computers and cash registers in a foodmart are connected to a UPS system.

7. What does UPS mean?

                 Uninterruptable Power Supply

8. Which motor is NOT suitable for use as a DC machine?

                 Squirrel cage motor 

9. What does  AC and DC stand for in the electrical field?

                 Alternating Current and Direct Current 

10. What does VVVF stand for?

                Variable Voltage Variable Frequency

11. Made from a variety of materials, such as carbon, which inhibits the flow of current ?

                 Resistor 

12. The FFT, a mathematical process, is used extensively in digital signal processing (DSP). For what word does the  second "F" in FFT stand?

                 Fourier 

13. The sampling rate, (how many samples per second are stored) for a CD is ?

                 44.1 kHz

14. Compact discs, (according to the original CD specifications) hold how many minutes of music?

                74 mints 

15. A given signal's second harmonic is twice the given signal's __________ frequency?

                Fundamental

16. A differential amplifier amplifies the ---------- between two input  signals. 

Difference

17. The average power (in watts) used by a 20 to 25 inch home color television is...?

                70 W

18. If the picture is stretched or distorted up and down like a fun house mirror the circuit to adjust or repair is...?

                Vertical

19.The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?

                Yoke

20. The input used by an antenna or cable to a TV set uses frequencies called...?

                RF

21. The transformer that develops the high voltage in a home television is commonly called a...

Flyback

22. Most modern TV's draw power even if turned off. The circuit the power is used in does what function?

                 Remote control

23. In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...?

                25000 v

24. The NTSC (National Television Standards Committee) is also used in the country of...?

                Japan

25. In the United States the television broadcast standard is...?

                NTSC

26. Which of the following is an international protocol for lighting control?

                 DALI

FIND OUT BY YOUR OWN AND POST YOUR ANSWERS...:)

1. Noise  of input signal in differential amplifier 

               a)  increases 

               b)  decreases 

c)   remains the soul 

2.  Cascaded    differential amplifier requires level translator because of 

  a)   impedance matching 

                b)   isolating each stage 

              c)    d.c.shift. 

3.  In case of constant current bias ,R1 is replaced by diodes D1 & D2 TO 

              a)   increase the input impedance

 b)    improve thermal stability 

              c)    increase gain 

4. If CMRR is high, the wide variation of input within the tolerable 

      limits of the  equipment makes output 

             a)    high 

             b)    low 

             c)    the  same  

5.  For a.c analysis of differential amplifier we use 

             a)   h-parameters 

             b)    r-parameters 

             c)   none  of above 

6.  For    an   Op-amp      based    wien    Bridge    Oscillator    ,  if  the 

      Oscillations stops after a few cycles, then the cause is ---------------. 

             a)    The amplifier gain is too high. 

             b)    The loop gain is less than 1. 

             c)    The loop gai is equal to 1. 

             d)    The loop gain is greater than 1. 

7. In all types of differential amplifier DC operating point 

             p)    is not equal 

             q)    is equal 

             r)    is dependent on application 

8.  A single supply operational amplifier is 

              a)  LM     318 

             b)   MC    414 

             c)  LM     324 

9.       The cascode amplifier is composed of direct coupled 

             a)   CE-CB  configuration 

             b)    CC-CC    configuration 

             c)    CC-CB  configuration 

10.       Input bias current is always is ________. 

         a)        greater 

         b)        equal 

         c)        less than input offset current 

 11.     If   input   frequency    is  exceed    the   slew   rate   the   output   will 

         be________. 

         a)        distorted 

         b)        not distorted 

         c)        amplified 

 12.    The operational amplifier can be nulled by _________. 

         a)        using an offset voltage compensating network 

         b)        using an error minimizing resistance 

         c)        cutting off the power supplies 

 13.   Open   loop   configuration   of   operational   amplifier   is   not   need   for 

         _________. 

         a)        linear operation 

         b)        nonlinear operation 

         c)        none of above 

 14.   Slew rate is defined by________ 

         a)      dv/dt(max) 

         b)      di/dt(max 

         c)      none of the above 

 15.  The  slew rate has _______ 

         a)      positive temperature coefficient 

         b)      negative temperature coefficient 

         c)      none of the above 

16.   Operational amplifier offset voltage due to input bias circuit can be significantly 

        reduced if we use 

          a)  offset compensatory network 

          b)     offset minimizing resistance 

  

17.   The standard supply voltage for an ordinary operational amplifier is 

         _________ 

         a)   15 volts 

         b)   13 volts 

         c)   12 volts 

 18.      The input offset voltage _______ with        negative feedback . 

             a)    increases 

             b)    decreases 

             c)    does not change 

 19.  Specified value of CMRR for 741 opamp is ________. 

         a)    30 dB 

         b)    40 dB 

         c)    90 dB 

 20.     741 opamp is a chip of type _________. 

         a)       industrial 

         b)       military 

         c)       commercial 

 21.      voltage follower is a special case of __________. 

         a)       inverting configuration 

         b)       non-inverting configuration 

         c)       difference configuration 

 22.       frequency response of differetiator is same as that of ______. 

         a)       high pass filter 

         b)       low pass filter 

         c)       band pass filter 

 23.      frequency response of integrator is same as that of ______. 

         a)       high pass filter 

         b)       low pass filter 

         c)       band pass filter 

 24.      voltage shunt configuration is nothing but ________ 

         a)       inverting configuration 

         b)       non-inverting configuration 

         c)       difference configuration 

 25.  voltage series configuration is nothing but ________ 

         a)       inverting configuration 

         b)       non-inverting configuration 

         c)       difference configuration

26.    the type of feedback used for closed loop configuration is _______ 

         a)       positive feedback 

         b)       negative feedback 

         c)       none of the above 

27.     instrumentation      amplifier   is  used    to  amplify    the  output    of 

              __________. 

         a)       speaker 

         b)       transducer 

28.     basic differentiator fails to work at ________. 

         a)       low frequency 

         b)       high frequency 

         c)       medium frequency 

29.       basic integrator fails to work at ________. 

         a)       low frequency 

         b)       high frequency 

         c)       medium frequency 

30.       In which of the following is an operational amplifier (op-amp) 

            used? 

                 a)        oscillators 

                 b)        filters 

                 c)        instrumentation circuits 

                 d)        all of the above 

31.       What is the difference output voltage of any signals applied to 

            the input terminals? 

     a)     the differential gain times the difference input voltage 

     b)     The common-mode gain times the common input voltage 

     c)     the   sum   of   the   differential   gain   times   the   difference   input 

           voltage     and    the  common-mode          gain   times    the   common 

           input voltage 

     d)     the   difference   of   the   differential   gain   times   the  difference 

           input     voltage     and    the   common-mode           gain    times    the 

           common input voltage 

  32.     What   is   the   difference   voltage   if   the   inputs   are   an   ideal   in- 

            phase signal? 

                 a)       the differential gain times twice the input signal 

                 b)       the differential gain times the input signal 

                 c)       the   common-mode   gain   times   twice   the   input signal 

                 d)       the common-mode gain times the input signal 

33. The larger the value of CMRR, the closer the output voltage is  to the difference input times the  difference gain with the common-mode signal being  rejected 

                 a)       True 

                 b)       False 

34. What is the voltage gain of the unity follower? 

 a)    0 

            b)    1 

            c)    –1 

            d)   Infinity 

35. What is the scale multiplier (factor) of a basic integrator? 

        a)       R/C 

        b)       C/R 

        c)       –RC 

        d)       –1/RC 

36. Which of the following is (are) the result of gain reduction by a feedback? 

        a)       The amplifier voltage gain is a more stable and precise  value. 

        b)       The   input   impedance   of   the   circuit   is   increased   over  that of the op-amp alone. 

        c)       The output impedance is reduced over that of the op- amp alone. 

        d)       all of the above 

37.  Third   order   Butterworth   low   pass   filter   has upper cut off frequency of 1KHz.The gain of the

         filter drops  by -------- if frequency is increased to 2KHz. 

            a)    6db 

            b)   18 db 

            c)    20 db 

            d)    60 db.