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NTPC Placement Paper Pattern

NTPC Interview Paper Pattern

     First 120 question on technical and 50   questions on general aptitude.
  1/3 negative marks for all the questions.
  2 hours exam.(No calculator allowed)
  Question paper along with the key sheet should be handed over to the   invigilator after the end of exam.  
     About   the Technical:          
  questions about diac,triac,buck effect   etc.
  Control systems,synchros,all basics and theoretical    
  computer NETWORKS: (abt   CSMA/CD,bridges,routers,Ieee standards like 802.3,etc.(abt ethernet))    
  VLSI (CMOS structure, functioning,)
  (gates,negative logic,postive logic,nand,counters,etc.)
  Sample question:write a particular number in BCD,or hex equivalent etc.)
  cominational circuit design(no of gates required etc.)    
  led bias,tunnel diode bias,fet,bjt,feedback amplifier properties,optoelectronic devices,class   c amplifiers,multivibrators,band gaps in Si,Ge.,intrinsic concentration etc.    
          Abt ozone layer depletion (CFCs) The total  efficeincy of a thermal plant.    
          Amplitude modulation,FM Vs. AM.    
     Antennas :      
        Director,reflector in yagi uda,microwave frequency ranges,bands, ground wave,sky wave,space wave   propagation.

  In which media em waves travel   faster.    
  Microprocessor 8085,interrupt   structure,architecture,memories,mapping   schemes,8255,interrupt   controller(8259)(ICW1,OCW etc.) hard disk,floppy disk access times    
     Mangement Science:
          abc analysis(inventory management)

             Signals systems:        
          fourier transfor,sinc functions,convolution    
     Network theory:        
          resonant frequency formulae    
     OP AMPS:        
          a/d d/a converters,differentiators and integrators,instrumentationamplifiers.    
     Digital communications:    
         fdm, tdm I almost covered 95% of the topics.This   is as far as I could remember.    
     About aptitude:
           synonyms antonyms comprehension passages aptitude problem solving skills(train probs,loss profit sums,ratios,etc.)   word analogies fill in the sentences with the most suitable word type of questions.


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