[nilesh]

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Hello sir, is there any one can provide me here previous year question paper for Npcil Placement Papers?

[Vishal Kotkar]

The Nuclear Power Corporation of India Limited is a Public Sector Enterprise Under the administrative control of the Department of Atomic Energy (DAE), Government of India.

The Company was registered as a Public Limited Company under the Companies Act, 1956 in September 1987 with the objective of operating atomic pow

Previous year question paper for Npcil Placement Papers:






NPCIL Instrumentation Sample Paper :

(1) A potentiometer is
(a) an active transducer
(b) a passive transducer
(c) a secondary transducer
(d) a digital transducer
(e) a current sensing transducer

(2) The basic components of a digital voltmeter are:
(a) A/D converter and a counter
(b) A/D converted and a rectifier
(c) D/A converter and a counter
(d) Ramp generator and counter
(e) Comparator

(3) Which of the following electrical equipment cannot convert ac into dc
(a) diode
(b) converter
(c) transformer
(d) mercury arc rectifier

(4) Voltage measurement are often taken by using either a voltmeter or
(a) an ammeter
(b) an ohmmeter
(c) an oscillator
(d) a watt-meter

(5)The electric device which blocks DC but allows AC is called:
(a) capacitance
(b) inductor
(c) an oscilloscope
(d) a watt-meter

(6) The range of an ammeter can be extended by using a
(a) shunt in series
(b) shunt in parallel
(c) multiplier in series
(d) multiplier in parallel

(7)A device that changes one form of energy to another is called
(a) rheostat
(b) oscillator
(c) transducer
(d) varicap

(8) Aquadag is used in CRO to collect
(a) primary electron
(b) secondary electron
(c) both primary and secondary
(d) none of above

(9) A vertical amplifier for CRO can be designed for
(a) only a high gain
(b) only a broad bandwidth
(c) a constant gain time bandwidth product
(d)all of the above

(10) One of the following is active transducer
(a) Strain gauge
(b) Selsyn
(c) Photovoltic cell
(d) Photo emissive cell

(11) The dynamic characteristics of capacitive transducer are similar to those of
(a) low pass filter
(b) high pass filter
(c) band pass filter
(d) band stop filter

(12) Thermocouples are
(a) passive transducers
(b) active transducers
(c) both active and passive transducers
(d) output transducers

(13) The size of air cored transducers as compare to iron core counter part are
(a) bigger
(b) smaller
(c) same

(14) From the point of view of safety, the resistance of earthing electrode should be:
(a) low
(b) high
(c) medium
(d) the value of resistance of electrode does not effect the safety

(15) In CRT the focusing anode is located
(a) between pre accelerating and accelerating anodes
(b) after accelerating anodes
(c) before pre accelerating anodes
(d) none of above

(16) Which transducer converts heat energy into electrical energy
(a) I. V. D. T.
(b) thermocouple
(c) photoconductor
(d) none of the above

(17) Which of photoelectric transducer is used for production of electric energy by converting solar energy
(a) photo emission cell
(b) photo diode
(c) photo transistor
(d) both (b) and (c)

(18) Which of the following instruments consumes maximum power during measurement?
(a) induction instruments
(b) hot wire instruments
(c) thermocouple instruments
(d) electrodynamometer instruments

(19) Which of the following meters has the best accurancy
(a) moving iron meter
(b) moving coil meter
(c) rectifier type meter
(d) thermocouple meter

(20) The function of the safety resistor in ohm meter is to
(a) limit the current in the coil
(b) increase the voltage drop across the coil
(c) increase the current in the coil
(d) protect the battery

(21) Which of the following instruments is free from hysteresis and eddy current losses?
(a) M.l. instrument
(b) electrostatic instrument
(c) electrodynamometer type instrument
(d)all of these

(22) The dielectric loss of a capacitance can be measured by
(a) Wien bridge
(b) Owen bridge
(c) Schering bridge
(d) Maxwell bridge

(23) Reed frequency meter is essentially a
(a) recording system
(b) deflection measuring system
(c) vibration measuring system
(d) oscillatory measuring system

(24) In measurements made using a Q meter, high impedance elements should preferably be connected in
(a) star
(b) delta
(c) series
(d) parallel

(25) A digital voltmeter measures
(a) peak value
(b) peak-to-peak value
(c) rms value
(d) average value