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  #1  
24th July 2014, 09:13 AM
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Last year question papers of Instrumentation & Control Engineering of Jindal Steel &

Will you please share with me the last year question papers of Instrumentation & Control Engineering of Jindal Steel & Power Limited?
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  #2  
25th July 2014, 01:40 PM
Super Moderator
 
Join Date: Apr 2013
Re: Last year question papers of Instrumentation & Control Engineering of Jindal Stee

As you want to get the last year question papers of Instrumentation & Control Engineering of Jindal Steel & Power Limited so here it is for you:

(1) Instrument is a device for determining
(a) the magnitude of a quantity
(b) the physics of a variable
(c) either of the above
(d) both (a) and (b)

(2) Electronic instruments are preferred because they have
(a) no indicating part
(b) low resistance in parallel circuit
(c) very fast response
(d) high resistance in series circuit
(e) no passive elements.

(3) A DC wattmeter essentially consist of
(a) two ammeters
(b) two voltmeters
(c) a voltmeter and an ammeter
(d) a current and potential transformer

(4) Decibel is a unit of
(a) power
(b) impedance
(c) frequency
(d) power ratio

(5) A dc voltmeter may be used directly to measure
(a) frequency
(b) polarity
(c) power factor
(d)power

(6) An accurate voltmeter must have an internal impedance of
(a) very low value
(b) low value
(c) medium value
(d) very high value

(7) The insulation resistance of a transformer winding can be easily measured with
(a) Wheatstone bridge
(b) megger
(c) Kelvin bridge
(d) voltmeter

(8) A 100 V voltmeter has full-scale accuracy of 5%. At its reading of 50 V it will give an error of
(a) 10%
(b) 5%
(c) 2.5%
(d) 1.25%

(9) You are required to check the p. f. of an electric load. No p.f. meter is available. You would use:
(a) a wattmeter
(b) a ammeter, a voltmeter and a wattmeter
(c) a voltmeter and a ammeter
(d) a kWh meter

(10) The resistance of a field coil may be correctly measured by using
(a) a voltmeter and an ammeter
(b) Schering bridge
(c) a Kelvin double bridge
(d) a Maxwell bridge

(11) An analog instrument has output
(a) Pulsating in nature
(b) Sinusoidal in nature
(c) Which is continuous function of time and bears a constant relation to its input
(d) Independent of the input quantity

(12) Basic charge measuring instrument is
(a) Duddel’s oscillograph
(b) Cathode ray oscillograph
(c) Vibration Galvanometer
(d) Bailastic Galvanometer
(e) Battery Charging equipment

(13) A.C. voltage can be measured (using a d.c. instrument) as a value obtained
(a) by subtracting the d.c. reading from it’s a.c. reading.
(b) Using the output function of the multimeter
(c) By using a suitable inductor in series with it
(d) By using a parallel capacitor with it
(e) None of the above

(14) A moving coil permanent magnet ammeter can be used to measure
(a) D. C. current only
(b) A. C. current only
(c) A. C. and D. C. currents
(d) voltage by incorporating a shunt resistance
(e) none of these

(15) Select the wrong statement
(a) the internal resistance of the voltmeter must be high
(b) the internal resistance of ammeter must be low
(c) the poor overload capacity is the main disadvantage of hot wires instrument
(d) the check continuity with multimeter, the highest range should be used.

(e) In moving iron voltmeter, frequency compensation is achieved by connecting a capacitor across its fixed coil.
(16) Which of the following instrument is suitable for measuring both a.c. and d.c.
quantities.
(a) permanent magnet moving coil ammeter.
(b) Induction type ammeter.
(c) Quadrant electrometer.
(d) Moving iron repulsion type ammeter.

(e) Moving iron attraction type voltmeter.
(17) Swamping resistance is used in moving coil instruments to reduce error due to

(a) thermal EMF
(b) temperature
(c) power taken by the instrument
(d) galvanometer sensitivity.

(18) A power factor meter is based on the principle of
(a) electrostatic instrument
b) Electrodynamometer instrument
(c) Electro thermo type instrument
(d) Rectifier type instrument.

(19) A potentiometer recorder is used for
(a) AC singles
(b) DC signals
(c) both (a) and (b)
(d) time varying signals
(e) none of these.

(20) Transformers used in conjunction with measuring instruments for measuring purposes are called
(a) Measuring transformers
(b) transformer meters
(c) power transformers
(d) instrument transformers
(e) pulse transformers.

(21) Leakage flux in an electrical machine is measure by
(a) Ballistic galvanometer
(b) Flux meter
(c) Either (a) or (b)
(d) Vibration galvanometer
(e) CRO

(22) A C.R.O. is used to indicate
(a) supply waveform
(b) magnitude of the applied voltage
(c) B.H. loop
(d) all of these
(e) Magnitude of the current flowing in it.

(23) An oscillator is a
(a) an amplifier having feedback network
(b) a high gain amplifier
(c) a wide band amplifier
(d) a untuned amplifier
(e) None of these

(24) Distortion can be measured by
(a) Wave meter
(b) Digital filters
(c) Wein bridge circuit
(d) Bridge T filter circuit

(25) Series connected Q- meter is preferable for measurement of components having
(a) high impedance
(b) low impedance
(c) both (a) and (b)
(d) high frequency
(e) low capacitance

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

(27) 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

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

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

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

(31 ) 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

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

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

(34) 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

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

(36) 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

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

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

(39) 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

(40) 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

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

(42) 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)

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

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

(45) 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

(46) 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

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

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

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

(50) A digital voltmeter measures
(a) peak value
(b) peak-to-peak value
(c) rms value
(d) average value
  #3  
24th March 2015, 11:15 AM
Unregistered
Guest
 
Re: Last year question papers of Instrumentation & Control Engineering of Jindal Stee

I have completed B. Tech in Instrumentation & Control Engineering and now want to get job in Jindal Steel & Power Ltd so please provide me last year question papers of placement exam?
  #4  
24th March 2015, 11:16 AM
Super Moderator
 
Join Date: Apr 2013
Re: Last year question papers of Instrumentation & Control Engineering of Jindal Stee

Here I am providing you last year question papers for preparation of Placement Exam of Jindal Steel & Power Ltd.

Question Papers of Placement Exam of Jindal Steel & Power Ltd:

1. Reynolds numer is?

2. Biot number is used for solid or liquid?

3. Shear stress on principl plane is?

4 T time of flight in projectile motion is?

5. Velocity of a body while ascending will be more or less than the velocity while decnding?

6. Boundary separation wil occur when press.gradient will?

7. Elongation in tapered bar will be formula?

8. Small numerical on parallel flow heat exchanger.

9. Relation b/w poissions ratio and young modulus.

10. Grashoof number expression.

11. Expression of torque in hollow and solid shaft.(2 questions)

12. Hardness and tensile stength can be increased by which process?

13. If load will be increased on free end of cantiliver beam than it wil break 4m fixed or free end?

14. Tension on tight side side of rope drive will be?

15. Coefficient of fluctuation of speed in governor will be formula?

16. Geneva mechanism will be used in?

17. Double pn junction is used in rectifier, transtitor, photovoltaic call?

18. If the velocity of a body on 2 different points on radius of a circle is given than find the radius of that circle?

19. Gear ratio is defined as?

20. Bearing is made up of material for carrying high load?


JINDAL STEEL & POWER LTD.
TECHNICAL SECTION
It consisted of following questions:-
1. The process of joining two metals is— sintering, thumbling, coining?
2. Ratchet is provided in micrometer screw gauge to-maintain uniform pressure…
3. Strain energy is -the energy stored up to elastic limit..
4. Taper angle is measured by-Sine bar, bevel protector?
5. A centrifugal governor is – Hartnell, Porter, Proell?
6. Numerical on Gate design?
7. Equivalent length in saw is measured from- start point to finish point, from first teeth to last teeth?
8. Anemometer is used for measuring- temperature of air, velocity of air, viscosity of fluid?
9. In neutral equilibrium position of meta center is- coincides with center of gravity..
10. If young’s modulus increases what is the change on thermal coefficient of expansion..?
11. Kaplan turbine- low head, high discharge..
12. Strain- (L-l)/L..
13. Economisor is used for-pre heating feed water..
14. In reciprocating compressor clearance is provided for- cushioning effect and saves the piston from hitting the cylinder head..
15. Function of governor is- maintain a constant speed in parting load conditions..
16. Heat Transfer from hot body to cold body takes place without affecting intervening medium is-radiation..
17. When conduction will not take place-when temp. of both bodies are equal..
18. Which of these defines pitch circle diameter-circular pitch, module,diametral pitch(all of these)..
19. Which of these governor is known as dead weight governor- Portor governor..
20. Property which resist elastic deformation-stiffness..
21. Continuous beam is a beam with- more than 2 supports..
22. More than two supports is known as continuous beam..
23. For self locking of screw-helix angle > friction angle..
24. Involute profile is preferred in gears as-it transmits maximum power..
25. The gear which resists axial thrust-herringbone gears..
26. For large power transmission, square threads- wear out, less efficient, production is costly..
27. The weakest part in flange coupling is-key..
28. Cage is provided in ball bearing to –keep balls in position..
29. When a mass of critically damped style, degree of freedom of system is deflected from its equilibrium position and then it is released then-it will oscillate with increasing time period.
30. 30(+0.05)(-0.03) is- bilateral type of tolerance..
31. Numerical on hoop’s stress?
32. When a cylinder is compressed over another then-hoop stress is reduced.

Technical Questions
1. What is the principle on which centrifugal compressors works ---conversion of K.E to pressure energy
2. _________ has a non linear stress strain curve ---rubber
3. _________has a highest value of poissons ratio----rubber
4. Due to which of the following reasons, the flexible coupling is used----easy to resemble
5. ____________springs are used to absorb shocks and vibrations----torsion
6. Which of the following is correct? -------------absolute pressure =gauge pressure+atmospheric pressure
7. The amount of heat required to raise the temp of 1kg of water through 1degree celcius is callede------- specific heat at constant pressure
8. The value of universal gas constant-------8.314kj/kgdegree k
9. A chemical fuel is a substance which releases_______________on combustion. ----------heat energy
10. The ignition quality of petrol engine fuel is-------octane number
11. For the petrol engine for vehicles the air fuel ratio for maximum power generation is of the order of----12:1
12. Why feausible plug is fitted in a small boiler----to estinguish fire if water level in boiler falls below alarming limit
13. Draught which chimney produces is called----natural draught
14. What is equivalent evaporation---it is the amount of water evaporated from and at 100 degree celsius into dry saturated steam.
15. __________is a none +ve displacement compressor ------reciprocating compressor
16. In a ball bearing______-made harder than stress---ball
17. Hardness is the measure of following----toughness
18. If e=0 the bodies are ---perfectly elastic
19. In cross belt drives the power transmission between pulley rotations is ---opposite disc
20. The internal resistance which the body offers to meet with two load or ext force is called---stress
21. The material having same elastic property in all directio are called as _________ materials---isotropic
22. The bar c/s A is subjected to a tensile force P the normal stress as on oblique plane will be max when inclination of plane to the axis of bar. ---45 degree
23. In which of the following cases unsteady heat flow occurs----aneealing or casing
24. The monochromatic emissivity of white body at all wave lengths and temperature is equal to----unity
25. Due to which of the following reasons hydrogen cnnot be liquified at room temp----don’t know
26. The ratio of specific heat of a liquid to that of specific heat of standard liquid---specific gravity I think\
27. The tendency of an unclosed body to be lifted up in the fluid due to upward force oppp to gravity----buyoyancy
28. An ice cube is floating in a glass of water, as cube melts water level ----falls I think
29. Re=inertia force/viscous force
30. In a cantilever beam of length l L causing a load alone intensity varying uniformly from 0 at the free end to upper unit runs at fixed end. The maximum bending is ---WL2/3
31. The point of contraflexture in a loadd and deforms to the section---bending moment changes sign
32. A simply supported beam of span L is carrying a point load W at the mid span, what is the deflection at the center of beam---WL3/48EI
33. Which of the following is a theroies is suitable for ductile material---maximum shear stress theory
34. in India largest power plant located at----niveli
35. ____steel is widely used for railway track---high carbon
36. _______ is the important component which controls the physical properties of steel---carbon
37. In resistent welding, pression ios released ---after the weld coils
38. Which of the following casting methods are steel and cast iron pipes cast---centrifugal casting
39. When the speed of engine fluctuates continuously above and below mean speed, the governor is said---hunting
40. Which of the gears is recommended for speed reduction ---50:1
41. The flow is said to be turbulent when Re>4000
42. The centrifugal pump calculation is reduced by ---reducing the suction level
43. In rotodynamic pump the increase in energy level is due to ---pressure energy only
44. The working of which of the following hydraulic units is based on Pascals law---hydraulic press
45. Equillibrium condition for coplanar concurrent forces are---sigma H=0, sigma V=0
46. The force which donot meet at one point and line of action donot lie on the same plane is known as _________force. -------must not close
47. The condition of equillibrium for coplanar non concurrent forces are ----sigmaH=0, sigmaV=0, sigma M=0.
47. A__________pair is a pair of 2 equal and opposite forces acting on body in such a way that the lines of action of 2 forces are not in same straight line------couple
48. The % of oxigen by weight in atmosphere is ---23
49. Source o f energy is ---coal, oil, uranium
50. The Fourier law of conduction---Q= -K.a. dt/dx


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