EXAM HELD ON: 17-02-2008 AT KOLKATA
Verbal (20 ques):
1. 10 ques based on two RC passages,dealing with computer languages.
2. remaining ques on articles, prepositions and word meanings.
Numerical (20 ques):
1. all ques based on simple but lengthy calculations involving %ages, profit and loss, ratio-proportion,etc.
Attention to detail(15 ques):
1. ques based on pattern recognition, logical reasoning and types like if + is -, - is *, etc.
Technical (60 ques-INSTRUMENTATION):
I remember 51 ques. They are:
- what does ‘value’ mean in value engg.
- what is value engg used for
- two ques on statement of nyquist-shannon theorem
- i/p and o/p impedance of instrumentation amplifier
- given open loop TF for unity f/b calc damping ratio
- given G(s)H(s) calc type of system
- thru which signal does µP communicate with memory
- 12 address lines address how much of memory
- no of timers of 8051
- prog device used with 8051
- µcontrollers used widely in which industry
- ques on what is LPP
- which technique used for optimization in OR
- which of these deals with reducing waiting time(ans: queuing theory)
- given BW and SNR of a communication channel calc its maxm transmission rate in kbps when affected by white Gaussian noise
- what is a µcontroller
- no of components in VLSI
- what is done in VLSI
- what are the procedures for sampling of a signal
- which is the most commonly used non-impulse type of pump
- how do you go from time domain to freq domain(both fourier and laplace were in the options)
- what is thyristor
- what is triac
- diff betw triac and SCR
- why is equalizing ckt used in series with SCR
- what freq crystal should be used betw pin 1 n 2 of a µP
- if for a resistive load in an SCR ckt the current is ripple free and equal to 20 A what will it be when 20 mH inductor connected to the load
- if load current in an SCR is I, what is the average thyristor current for a 1-φ converter
- maxm efficiency of AM power
- given signal freq and intermediate freq calc image freq
- when are equalizing pulses applied in TV
- what is a spirometer
- what is used to measure heart sounds
- minm duration of firing pulses for a thyristor
- which of these transforms is also called tustin ’s method( or something like that)
- why is RC snubber ckt used
- what type of waveform produced by RC oscillator
- diff betw inverter and oscillator output
- for a 6 phase 60 Hz half wave rectifier what is the triple freq of the output
- which of the following modulation is digital: PCM/ PAM/ PWM/ PTM
- which method of ctrl removes offset
- eqn of PID
- what filter used for extracting SSB output
- CMRR is expressed commonly in
- integrated value of step fn.
- differentiated value of const fn.
- what is the kidney dialysis method(artificial) called
- quantity analogous to current in pneumatics
- quantity analogous to mass in rotational motion
- which of these theorems not used in filters( ans: norton’s theorem)
- which of these is UHF(1.68MHz,16.8Mhz,168Mhz,1680MHz
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