Placement Papers: Reliance RIL Paper Pattern on 23 March at Kolkata

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Mental aptitude (75 ques):

  • Revolution is related to evolution in the same way as flying is to walking/standing/bird/whirling.
  • Technical (Instrumentation-50 ques):
  • 1 gm/cc = ____kg/m3.
  • 1 atm = ___kg/cm2.
  • what range of pressure used in pneumatic systems (ans: 3 − 15 psi).
  • what type of orifice used for gas-liquid mixture flow: Concentric/segmental/eccentric.
  • given PB of 60%, 70%, 80%, 90%, which one is the most sensitive?
  • integral orifice is used for low/medium/high flow applications.
  • which of the following is a variable area type flow meter (ans: Rotameter).
  • for a 36 dia gas pipeline which of the following flowmeter is used: Orifice/annubar/target flow meter.
  • a compressor should be operated above/on/near the surge line.
  • for measuring? -ray radioactivity what would you use: Scintillation counter/cathode ray tube/all of the above:
  • in cascade control ___ of the primary controller is the___ of the secondary controller.
  • for derivative control step input gives ___ output.
  • demorgan's law is useful bcoz it converts NOR to NAND/NOR to AND/etc.
  • NAND is called a universal gate bcoz.
  • RS-485 can be used for multidrop communication: True/false.
  • which of the following is a high-temp O2 analyser: Zirconia/paramagnetic/radiation/etc.
  • a question on gas chromatography which I can't recollect.
  • given a ckt find out the current in a particular branch.
  • zener barrier is used to: Limit input current/limit input current coming from field/limit energy going to field.
  • which of the following is type K thermocouple: Copper constantan/iron constantan/Pt rhodium/chromel alumel.
  • for measuring 1200° C what thermocouple would you use: K/J/E/R.
  • full form of MIMS as used with thermocouples.
  • relation between flow rate and? P (ans: Q a? P)
  • problem using the above relation.
  • what can be used to detect combinational hazards in circuits: Truth table/K-map/sequence table.
  • if a chip containing a RAM has power switched off and then on, then data in the RAM is irretrievably lost/data is retained/data is retained with minor modifications/chip is damaged.
  • if a 20 MHz wave is fed into a cascade of mod-10, mod-5 and mod-4 counters the lowest o/p freq obtainable is___.
  • for a tank containing water to a ht. Of 2m pressure at the bottom in kg/cm2 is____.
  • for noise reduction what can be connected across the P. S. Pins of an IC: Resistor/capacitor/diode/transistor.
  • the no. Of o/p states in a 4-bit ADC.
  • if the previous state in a 4-bit up/down counter is 1111, the next state will be___.
  • advantage of double seated control valve.
  • which of the following types of CV has tight shut-off: III/IV/V/VI.
  • ratio of maxm. To minm. Controllable flow of a CV is called___.
  • which of these is not a CV characteristic: Quick opening/linear/modified parabolic/equal %.
  • an I/P converter converts analog to pneumatic/analog to digital/digital to pneumatic.
  • the commonly used range of analog current signal is___.
  • full form of CMOS.
  • which of these is required for calibration: Calibrating equipment/controlled environmental conditions/competent personnel/traceability of standards/all of the above:
  • glycerine filled gauges are used for prevention of corrosion/pulsation/some other option/all of these.
  • full form of TCP/IP.
  • which of the following is insensitive to noise: Optical fibre/twisted pair/coaxial cable.
  • maxm cable length in RS-232C: 50m/100m/150m/200m.
  • which of the foll cannot be used to generate square waves: Astable/monostable/bistable/bootstrapping ckt.
  • advantage of floating power supply
  • for flow control loop what can be used: PID/PI/P control.
  • capacitor energy equation (ans: W = ½CV2).
  • given an 8-bit string identify which does not have even parity.
  • what is done in a flapper-nozzle amplifier.
  • dead weight tester operates on which principle (ans: Pascal's law).
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