Provided by www.YuvaJobs.com - Technical - Other Mount Carmel School,New Delhi - 22 April 2007 NTPC PAPER ON 22nd APRIL AT NEW DELHI HELLO frns I am giving u the paper minutes of NTPC exam on april 22 ,2007 b’cz I have faced the problem of non availability of any pattern or sample questions .It was really an easy paper so the cut off marks r really high. It constitutes of 170 questions (120 tech + 50 apti) in 2hrs. For tech part the syllabus is same as of the GATE and for apti part R.S.Aggarwal is more than sufficient. As time duration is very short so time management is very important. APTITUDE SECTION For this section no special attention is required only rs aggarwal is enough and it also has easy level of English section. TECHNICAL SECTION For this section u have to b good in the basics. No hard question were asked but u should b careful about your time . It has also some part of very basic general knowledge. The questions were from following topics 10-12 q about microprocessor(8085) 3 q abt RS232 standard 7-10 q of GK 4-6 q of opamp 10-15 q of digital comm.. 2-5 q of microwave 15-20 q of analog devices 20-23 q of digital electronics(flip flops,gates,mux,no system etc) 1 q of ISO OSI model 5-8 q of control system 10-12 q of signals and their processing SOME QUESTIONS WHICH I MANAGE TO REMEMBER passage for comp word meaning based (antonym and synonyms) fetter, fester, lucid, anomaly, elucidate etc word analogy based what is a tunnel diode wht is a zener diode effect of + and – feedback on stability composition of gobar gas function of differential in the vehicle function of stack register fun of instruction pointer fun of rst6.5,7.5 wht is an interrupt output vtg calc on op amp how a pulse train can b generated using registers conversion of oct to hex,hex to binary fun of quantizer in pcm why fm is less prone to noise fun of limiter in detection of FM wht is envelop detector phase shift of 1/s^2 signal limited to 1000 hz sampled at nyquist rate.quantizer has 128 level .calculate the bit rate of the system. 1.5 V battery supply same power to R1 and R2 separately(R1>R2).calc the internal resistance of battery a wire is cut in two halves. one half is again stretched to th twice of length .calc the resistance Provided by www.YuvaJobs.com - Technical - Other Mount Carmel School,New Delhi - 22 April 2007