Jobsforfreshers.in brings you list of ONGC Placement Papers 2011. Here you will find January 2011 ONGC Placement Paper with Answers, Solutions, Pattern, Download Free, PDF, Placement Paper of ONGC.

January 2011 ONGC Placement Paper:-

General question:-

1.First company to have CISF SECURITY

2.first buddist council held in ?

3.National  Environment Engineering" Institute is located in?

4.Highest peak in the sathpura range?

5.Who introduce the Mansabdari SYSTEM

6.KONKAN coastal line is held b/n?

7.Author of "Neel Darpan"

8.which river cut the tropical of cancer twiceorange and some options

9. where will next climate summit will  take placeMexico        Canada             Nigeria

10.Bear lake is in which country?

11.Tipaimukh DAM is in which state?

12.Moplah Rebellion occurred in 1921 in which part of the country?[options were a)coromandal coast b)malabar coast c)Punjab]

13.Who is the Chairman of the Scientific Advisory Council to the Indian Prime Minister?

14.In Assembly elections state in which a single party has won all seats?

15.Dieses of pellagra due to which reason?

16.Red blood cell is having ?

17.NH-15 is connect whict to city ?

18.2010 FIFA world cup held in which country

19.Children should be sent to school they should not permit to work. This comes under which ARTICLE ?

20.President should submit his resignation towhom ?

21.Mahatma Gandhi used to take advices from ?

22.Who is the president of INC during split of congress in session of 1907?

23Krishna River originates from which part

24.Tadri Ultra Mega Power Project is in which state

25.Name the State with highest decay in population growth rate?

26. Sex ratio of India as per latest census

27.Which championship was won by Grandmaster Parimarjan Negi?

28.National Solar Mission is to ensure 20000 MW power production by which year?

29.Which is the Highest Peak of SATPURA RANGE?

 Domain (electronics) question :

1.k-map equation related proved that .

2. Design of a analog circuit which have output as V=∫V1dt+ ∫V2dt+∫V3dt

 

Domain questions :

1.not needed in QPSK,PSK,FSK?

2.CRO AND SCR

3.LIJJAJOUS pattern

4.laser is produce white light due to ?

5.wein bridge is use to measure of frequency.

6.radar system is using multiple of 16 then what is the multiplier

a)2 b)4 c)8 d)16

7.x= ab +bc  is having how many how's in the truth table?

8.1 nepar=_ db

9. resolution of 6 bit is ?

10. Find correct parity as odd parity : Rightmost bit as parity bit : 1111111 1 , 0011010 1 , 1100110 1 , 0000000 0.

11.slew rate

12.  5th clock of johnson counter gives o/p = 0111 , 6th clock gives o/p = ?

13. Volts / div on CRO changes  : gain in vertical / sec , : gain in horizontal / sec , freq of timebase , freq of trigger

14. Measurement of Q is based on principle of : Resonance , Mutual Inductance , Piezoelectric Effect , Peltier Effect

15. Laser light is brighter because : Pure , Coherent , White , Monochromatic

16 Centre tapped transformer in single phase cycloconeuses : 2 , 4 , 6 , 8 SCR

17. Maximum height of satellite : Apogee , Perigee

18. Satellite stays in orbit because : Satellite wt. + speed , gravitational pull + inertia , centripetal force +speed , satellite wt +pull of sun and moon

19. FET depends on controlling current through SC change : 1 polarity , 2 polarity , 4 , 8 polarity

20.   Beta : Current gain in CC Mode , Current gain in CE Mode, Voltage gain in CC Mode, , Voltage gain in CE Mode

21. Flash Analog To Digital of each comparator is connected to : decoder , priority encoder , MUX , Demux

22. Modulation index increased from 0 to 1 . Transmitted power now ?

23. De-emphasis is used because

24. Voltage gain of emitter follower : <=1 , =1 , >=1 , cannot say

25. CRO uses which method of focusing

26. Positive Feedback is same as  : degeneration , regeneration

27. Lowest Efficiency in Power AMPLIFIER IS CLASS  A , B , AB , C ?

28.   2 heater 1000W, 250V connected in series in 250V , 50HZ AC mains. Power drawn =?

29.   HTTP = stateful/stateless protocol ?

30.which  Layer responsible for delivery of packet from node to node ?

31.fetch cycle

32.voltmeter sensitivity is measure in ?

33.microcontroller is having?

34.pointer

35.tunnel diode

36.BCD to binary converter

37.baud rate and bit rate which is grater ?

38.ideal op amp is having   _i/p , _o/p , _bandwidth ?

39.IC 555 timer is having how many flip flop and comparator

40. Difference between controlled variable and desired value of process control system

41.    To serially shift a nibble of data in shift register there must be clock pulses : 2 , 4 , 8 , 1 clock pulse for each data

42. Mod 10 counter uses Flip flop : 10 , 4 , 2 , 8

43. Which family IC have better noise immunity : TTL , ECL , CMOS , DTL

44. Address required for 4096 bit memory arranged in 512 X 8 memory

45.    When 8 bits serial in / out shift reg. I sused for 20 (mew)sec  time delay. Find clock frequency

46. Conversion time of 6 bit successive approximation type ADC : 32 , 64 , 6 , 1/6 usec

47. Fibre optic cable best for high speed data transfer : single mode step index  , multiple mode step index  , single mode graded index  , multiple mode graded index

48.   Microcontroller includes : CPU + Memory + I/O + Clock Generator , CPU + Memory + I/O , CPU + I/O

49. Flag to manipulate movement of string : parity , zero , direction , inter

50. .   Microwave signal propagates by way of : direct , surface , sky , standing wave

51. Makes equivalent current generator in circuit analysis : Norton , Thevenin  , Maxm.

Power Transfer , Superposition

52. When HPF and  LPF section are connected  in // it as Band reject filter with : fl > fh , fl = fh , fl < fh

53. When peak transmitted power of a radar is increased by a factor of 16 , maxm range increases by a factor : 2 , 4, 8, 16 54.aspect ratio in TV is width to height.

55. Adsl download rate is high compare to upload.

56.110 is class C in IP address.

57. if sun near to earth it is called ?

58.what is indicted the arrow head in transistor ?

59. if 100 battery of 9 volt is connect in parallel the what is output voltage ?

60.question related to satellite orbit

61.pcm,dm.dpcm technique

62.thyresistor

63. Carrier SYNCHRONIZATION

64. Why differentiator is not part of control system : Increases input noise , increases error , reduces gain, reduces damping

65   Which is analog : DCM , DM , DPCM , PWM

66.   Identical Telephone no. under different exchanges are distinguished by : Modulation indices , language digit , access digit , area code

67. Common ckt in Freq Hopp Spread Spectrum and Direct Seq Spread Spectrum : correlator , Freq Synthesizer , Sweep Generator , Pseudo Random Noise Code Generator

68. Minimum Bwto transmit 56 kbps with no noise ?

69. Minimum Bwto transmit 56 kbps with no noise ?

70.   f = 10 kHz sampled at Nyquist rate time int B/W 2 success samples ?

71. Find correct parity as odd parity : Rightmost bit as parity bit : 1111111 1 , 0011010 1 , 1100110 1 , 0000000 0

72.    Dynamic memory cell store data in : register , capacitor

73.   +0.5 V in TTL logic is : high , low , undefined , high impedance

 Company Details

About ONGC:-

ONGC Group is one of the fast growing groups in the world and its parent company ONGC is India’s flagship exploration and production (E&P) company, accounting for about 60% of total proved reserves in the country. It is a fully–integrated petroleum company, and operates along the entire hydrocarbon value chain.  A Fortune-Global 500 Company, it is not only the largest E&P Company in India but also one of the most valuable companies in India.  

ONGC Videsh Limited (OVL) is an overseas arm of ONGC, engaged in Exploration & Production Activities. It trans-nationally operates E&P Business in various countries across the globe. OVL has 33 projects spread over 14 countries across the globe with 9 producing assets in 7 countries namely Sudan, Russia, Vietnam, Syria, Brazil, Columbia and Venezuela.  It is further aggressively pursuing Oil and gas exploration blocks in various other countries. Nile Blend Crude Oil from its Sudan Project and SOKOL Crude Oil from Sakhalin 1 project in Russia are available for sale in International Market.

Careers at ONGC:-

Oil and Natural Gas Corporation Limited (ONGC) is a company with a global vision and noble mission. Having a strong manpower force of over 41,000 dedicated to the common cause of technological innovation and process of reinventing themselves, it can boast of having experts in all aspects relevant to the entire gamut of E&P business and even those within its pale.

ONGC has a unique distinction of being a company with in-house service capabilities in all the activity areas of exploration and production of oil & gas and related oil-field services. Over 18,000 technically-competent experienced scientists and engineers, mostly from distinguished Universities / Institutions of India and abroad form the core of the executive profile. They include geologists, geophysicists, geochemists, drilling engineers, reservoir engineers, petroleum engineers, production engineers, engineering & technical service providers, financial and human resource experts and IT professionals.

Apart from an excellent atmosphere for growth, the company offers a package of remuneration that compares with the best in the Indian industry. It includes basic pay and dearness allowance, contributory provident fund, conveyance maintenance reimbursement, leave fare assistance / encashment, holiday home facility, medical facilities for self and dependent, gratuity, self contributory post-retirement scheme, composite social security scheme and soft loans, etc.

Jobsforfreshers.in brings you list of ONGC Placement Papers 2011. Here you will find ONGC Placement Paper May 2011 with Answers, Solutions, Pattern, Download Free, PDF, Placement Paper of ONGC.

ONGC Placement Paper May 2011:- 1. A turbo-charged four-stroke direct injection diesel engine has a displacement

volume of 0.0259m3 (25.9litres) . The engine has an output of 950kW at

2200rpm. The mean effective pressure in MPa is closest to

(A) 2 (B) 1 (C) 0.2 (D) 0.1

 2. One kilogram of water at room temperature is brought into contact with a high

temperature thermal reservoir. The entropy change of the universe is

(A) equal to entropy change of the reservoir

(B) equal to entropy change of water

(C) equal to zero

(D) always positive

 

3. A hydraulic turbine develops 1000kW power for a head of 40m. If the head is

reduced to 20m, the power developed (in kW) is

(A) 177 (B) 354 (C) 500 (D) 707

 4. The material property which depends only on the basic crystal structure is

(A) fatigue strength (B) work hardening

(C) fracture strength (D) elastic constant

 5. In a gating system, the ratio 1:2:4 represents

(A) sprue base area: runner area: ingate area

(B) pouring basin area: ingate area: runner area

(C) sprue base area: ingate area: casting area

(D) runner area: ingate area: casting area

 6. A shaft has a dimension, 0.009

35 0.025 −− φ . The respective values of fundamental deviation

and tolerance are

(A) −0.025, ± 0.008 (B) −0.025,0.016

(C) −0.009, ±0.008 (D) −0.009,0.016

 

7. In a CNC program block, N002 G02 G91 X40 Z40…, G02 AND G91 refer to

(A) circular interpolation in counterclockwise direction and incremental dimension

(B) circular interpolation in counterclockwise direction and absolute dimension

(C) circular interpolation in clockwise direction and incremental dimension

(D) circular interpolation in clockwise direction and absolute dimension

 8. The demand and forecast for February are 12000 and 10275, respectively. Using

single exponential smoothening method (smoothening coefficient = 0.25),

forecast for the month of March is

(A) 431 (B) 9587 (C) 10706 (D) 11000

 9. Little’s law is relationship between

(A) stock level and lead time in an inventory system

(B) waiting time and length of the queue in a queuing system

(C) number of machines and job due dates in a scheduling problem

(D) uncertainty in the activity time and project completion time

 10. Vehicle manufacturing assembly line is an example of

(A) product layout (B) process layout (C) manual layout (D) fixed layout

 11. Simplex method of solving linear programming problem uses

(A) all the points in the feasible region

(B) only the corner points of the feasible region

(C) intermediate points within the infeasible region

(D) only the interior points in the feasible region.

 

Note: All length dimensions shown in the figures are in mm unless

otherwise specified. Figures are not drawn to scale.

 

12. Torque exerted on a flywheel over a cycle is listed in the table. Flywheel energy

(in J per unit cycle) using Simpson’s rule is

Angle (degree) 0 60 120 180 240 300 360

Torque (Nm) 0 1066 -323 0 323 -355 0

(A)        542 (B) 993 (C) 1444 (D) 1986

 13. A lightly loaded full journal bearing has a journal of 50mm, bush bore of

14..05mm and bush length of 20mm. if rotational speed of journal is 1200rpm

and average viscosity of liquid lubricant is 0.03 Pa s, the power loss (in W) will be

(A) 37 (B) 74 (C) 118 (D) 23

 15. In PERT analysis a critical activity hasA) maximum FloatB) zero FloatC) maximum Cost

D) minimum CostAnswer : (B)

16. Environment friendly refrigerant R134a is used inthe new generation domestic refrigerators. Itschemical formula isA) CH C1 F2B) C2 C13 F3C) C2 C12 F4D) C2 H2 F4Answer : (D)

17. A solid cylinder (surface 2) is located at the centreof a hollow sphere (surface 1). The diameter of the sphere is 1m, while the cylinder has a diameter and length of 0.5 m each. The radiation configuration factor F11 isA) 0.375B) 0.625C) 0.75D) 1Answer : (C)

18. For a fluid flow through a divergent pipe of length L having inlet and outlet radii of R1 and R2 respectively and a constant flow rate of Q, assuming the velocity to be axial and uniform at any cross-section, the acceleration at the exit isA) 2Q(R1 - R2) p LR23B) 2Q2 (R1 - R2) p LR23C) 2Q2 (R1 - R2) p2LR25D) 2Q2 (R2 - R1) p2LR25Answer : (C)

 19. An incompressible fluid (kinematic viscosity, 7.4 x 10-7 m2/s, specific gravity, 0.88) is held between two parallel plates. If the top plate is moved with a velocity of 0.5 m/s while the bottom one is held stationary, the fluid attains a linear velocity profile in the gap of 0.5 mm between these plates; the shear stress in Pascals on the surface of top plate isA) 0.651 x 10-3B) 0.651C) 6.51D) 0.651 x 103Answer : (B)

20. The tool of an NC machine has to move along a circular arc from (5,5) to (10,10) while performing an operation. The centre of the arc is at (10,5). Which one of the following NC tool path commands performs the above mentioned operation?A) N010 G02 X10 Y10 X5 Y5 R5B) N010 G03 X10 Y10 X5 Y5 R5C) N010 G01 X5 Y5 X10 Y10 R5D) N010 G02 X5 Y5 X10 Y10 R5Answer : (D)

21. During a Morse test on a 4 cylinder engine, the following measurements of brake power were taken at constant speed.All cylinders firing 3037 kWNumber 1 cylinder not firing 2102 kWNumber 2 cylinder not firing 2102 kWNumber 3 cylinder not firing 2100 kWNumber 4 cylinder not firing 2098 kWThe mechanical efficiency of the engine isA) 91.53%B) 85.07%C) 81.07%D) 61.22%Answer : (C)

22. In terms of theoretical stress concentration factor(Kt) and fatigue stress concentration factor (Kf ), the notch sensitivity ‘q’ is expressed asA) (Kf -1) (Kt -1)B) (Kf -1) (Kt +1)C) (Kt -1) (Kf -1)D) (Kf +1) (Kt +1)Answer : (A)

23. Starting from x0 = 1, one step of Newton-Raphson method in solving the equation x3 + 3x -7 = 0 gives the next value (x1) asA) x1 = 0.5B) x1= 1.406C) x1= 1.5D) x1 = 2Answer : (C)

24. A maintenance service facility has Poisson arrival rates, negative exponential service time and operates on a ‘first come first served’ queue discipline. Break downs occur on an average of 3 per day with a range of zero to eight. The maintenance crew can service an average of 6 machines per day with a range of zero to seven. The mean waiting time for an item to be serviced would beA) 16 dayB) 13 dayC) 1 dayD) 3 daysAnswer : (A)

25. The modulus of the complex number

3 4i

1 2i

? + ?

? − ? ? ?

is

(A) 5 (B) 5 (C)

26. The function y = 2 − 3x

(A) is continuous ∀x ∈ R and differentiable ∀x ∈ R

(B) is continuous ∀x ∈ R and differentiable ∀x ∈ R except at x=3/2

(C) is continuous ∀x ∈ R and differentiable ∀x ∈ R except at x=2/3

(D) is continuous ∀x ∈ R except at x=3 and differentiable ∀x ∈ R

27. Mobility of a statically indeterminate structure is

(A) ≤ −1 (B) 0 (C) 1 (D) ≥ 2

 28. There are two points P and Q on a planar rigid body. The relative velocity

between the two points

(A) should always be along PQ

(B) Can be oriented along any direction

(C) should always be perpendicular to PQ

(D) should be along QP when the body undergoes pure translation

 29. The state of plane-stress at a point is given by

σx = −200MPa, σy = 100MPa and τxy = 100MPa. The maximum shear stress in MPa

is

(A) 111.8 (B) 150.1 (C) 180.3 (D) 223.6

 30. Which of the following statements is INCORRECT?

(A) Grashof’s rule states that for a planar crank-rocker four bar mechanism, the

sum of the shortest and longest link lengths cannot be less than the sum of

the remaining two link lengths.

(B) Inversions of a mechanism are created by fixing different links one at a time.

(C) Geneva mechanism is an intermittent motion device

(D) Gruebler’s criterion assumes mobility of a planar mechanism to be one.

 31. The natural frequency of a spring-mass system on earth is ωn. The natural

frequency of this system on the moon (gmoon = gearth / 6) is

(A)  ωn (B)0.408ωn (C) 0.204ωn (D) 0.167ωn

 32. Tooth interference in an external involute spur gear pair can be reduced by

(A) decreasing center distance between gear pair

(B) decreasing module

(C) decreasing pressure angle

(D) increasing number of gear teeth

 33. For the stability of a floating body, under the influence of gravity alone, which of

the following is TRUE?

(A) Metacentre should be below centre of gravity

(B) Metacentre should be above centre of gravity

(C) Metacentre and centre of gravity must lie on the same horizontal line

(D) Metacentre and centre of gravity must lie on the same vertical line

 34. The maximum velocity of a one-dimensional incompressible fully developed

viscous flow, between two fixed parallel plates, is 6ms-1. The mean velocity (in

ms-1) of the flow is

(A) 2 (B) 3 (C) 4 (D) 5

 35. A phenomenon is modeled using n dimensional variables with k primary

dimensions. The number of non-dimensional variables is

(A) k (B) n (C) n-k (D) n+k

1 During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 the type of tool motion will beA) circular Interpolation — clockwiseB) circular Interpolation — counterclockwiseC) linear InterpolationD) rapid feedAnswer : (A)

36. A component can be produced by any of the four processes I, II, III and IV. Process I has a fixed cost ofRs. 20 and variable cost of Rs. 3 per piece. Process II has a fixed cost Rs. 50 and variable cost of Re. 1 per piece. Process III has a fixed cost of Rs. 40 and variable cost of Rs. 2 per piece. Process IV has a fixed cost of Rs. 10 and variable cost of Rs. 4 per piece. If the company wishes to produce 100 pieces of the component, from economic point of view it should chooseA) Process IB) Process IIC) Process IIID) Process IVAnswer : (B)

37. In an interchangeable assembly, shafts of size 25.000+0.040mm mate with holes of size 25.000+0.020 mm. The maximum possible clearance in the assembly will beA) 10 micronsB) 20 micronsC) 30 micronsD) 60 micronsAnswer : (D)

 38. A company has two factories S1, S2 and two warehouses D1, D2. The supplies from S1 and S2 are 50 and 40 units respectively. Warehouse D1 requires a minimum of 20 units and a maximum of 40 units. Warehouse D2 requires a minimum of 20 units and, over and above, it can take as much as can be supplied. A balanced transportation problem is to be formulated for the above situation. The number of supply points, the number of demand points, and the total supply (or total demand) in the balanced transportation problem respectively areA) 2, 4, 90B) 2, 4, 110C) 3, 4, 90D) 3, 4, 110

Answer : (C)

39.An incompressible fluid (kinematic viscosity, 7.4 x 10-7 m2/s, specific gravity, 0.88) is held between two parallel plates. If the top plate is moved with a velocity of 0.5 m/s while the bottom one is held stationary, the fluid attains a linear velocity profile in the gap of 0.5 mm between these plates; the shear stress in Pascals on the surface of top plate isA) 0.651 x 10-3B) 0.651C) 6.51D) 0.651 x 103Answer : (B)

40. The tool of an NC machine has to move along a circular arc from (5,5) to (10,10) while performing an operation. The centre of the arc is at (10,5). Which one of the following NC tool path commands performs the above mentioned operation?A) N010 G02 X10 Y10 X5 Y5 R5B) N010 G03 X10 Y10 X5 Y5 R5C) N010 G01 X5 Y5 X10 Y10 R5D) N010 G02 X5 Y5 X10 Y10 R5Answer : (D)

41. During a Morse test on a 4 cylinder engine, the following measurements of brake power were taken at constant speed.All cylinders firing 3037 kWNumber 1 cylinder not firing 2102 kWNumber 2 cylinder not firing 2102 kWNumber 3 cylinder not firing 2100 kWNumber 4 cylinder not firing 2098 kWThe mechanical efficiency of the engine isA) 91.53%B) 85.07%C) 81.07%D) 61.22%Answer : (C)

42. In terms of theoretical stress concentration factor (Kt) and fatigue stress concentration factor (Kf ), the notch sensitivity ‘q’ is expressed asA) (Kf -1) (Kt -1)B) (Kf -1) (Kt +1)C) (Kt -1) (Kf -1)D) (Kf +1) (Kt +1)Answer : (A)

43.Starting from x0 = 1, one step of Newton-Raphson method in solving the equation x3 + 3x -7 = 0 gives the next value (x1) asA) x1 = 0.5B) x1= 1.406C) x1= 1.5

D) x1 = 2Answer : (C)

44. The S-N curve for steel becomes asymptotic nearly atA) 103 cyclesB) 104 cyclesC) 10 6 cyclesD) 10 9 cyclesAnswer : (C)

45. The S-N curve for steel becomes asymptotic nearly atA) 103 cyclesB) 104 cyclesC) 106 cyclesD) 109 cyclesAnswer : (C)

46.In a rolling process, sheet of 25 mm thickness is rolled to 20 mm thickness. Roll is of diameter 600 mm and it rotates at 100 rpm. The roll strip contact length will beA) 5 mmB) 39 mmC) 78mmD) 120mmAnswer : (A)

47.Water at 42°C is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40°C and a wet bulb temperature of 20°C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?A) Air gets cooled and humidifiedB) Air gets heated and humidifiedC) Air gets heated and dehumidifiedD) Air gets cooled and dehumidifiedAnswer : (B)

48.The angle between two unit-magnitude coplanar vectors P(0.866, 0.500,0) and Q(0.259, 0.966,0) will beA) 0°B) -30°C) 45°D) 60°Answer : (C)

49.A lot has 10% defective items. Ten items are chosen randomly from this lot. The probability that exactly 2 of the chosen items are defective isA) 0.0036B) 0.1937C) 0.2234D) 0.3874

Answer : (B)

 50.Stokes theorem connectsA) a line integral and a surface integralB) a surface integral and a volume integralC) a line integral and a volume integralD) gradient of a function and its surface integralAnswer : (A)

51.A solar collector receiving solar radiation at the rate of 0.6 k W/m2 transforms it to the internal energy of a fluid at an overall efficiency of 50%. The fluid heated to 350 K is used to run a heat engine which rejects heat at 313 K. If the heat engine is to deliver 2.5 kW power, the minimum area of the solar collector required would beA) 8.33m2B) 16.66m2C) 39.68m2D) 79.36m2Answer : (D)

52.When the temperature of a solid metal increases,A) strength of the metal decreaes but ductility increasesB) both strength and ductility of the metal decreaseC) both strength and ductility of the metal increaseD) strength of the metal increases but ductility decreasesAnswer : (A)

53.A company produces two types of toys: P and Q. Production time of Q is twice that of P and the company has a maximum of 2000 time units per day. The supply of raw material is just sufficient to produce 1500 toys (of any type) per day. Toy type Q requires an electric switch which is available @ 600 pieces per day only. The company makes a profit of Rs. 3 and Rs. 5 on type P and Q respectively. For maximization of profits, the daily production quantities of P and Q toys should respectively beA) 100, 500B) 500, 1000C) 800, 600D) 1000, 1000Answer : (C)  54. A spherical thermocouple junction of diameter 0.706 mm is to be used for the measurement Aof temperature of a gas stream. The convective heat transfer co-efficient on the bead surface is 400 W/m2K. Thermophysical properties of thermocouple material are k = 20 W/mK, C = 400 J/kg K and r = 8500 kg/m3. If the thermocouple initially tot 30°C is placed in a hot stream of 300°C, the time taken by the bead to reach 298°C, isA) 2.35 sB) 4.9 sC) 14.7 s

D) 29.4 sAnswer : (B)

55. In a spring-mass system, the mass is 0.1 kg and the stiffness of the spring is 1 kN/m. By introducing a damper, the frequency of oscillation is found to be 90% of the original value. What is the damping coefficient of the damper?A) 1.2 N.s/mB) 3.4 N.s/mC) 8.7 N.s/mD) 12.0 N.s/mAnswer : (C)

56.In a machining operation, doubling the cutting speed reduces the tool life to 1/8 of the original value. The exponent n in TaylorA) 1/8B) 1/4C) 1/3D) 1/2Answer : (C)

57.In a rolling process, sheet of 25 mm thickness is rolled to 20 mm thickness. Roll is of diameter 600 mm and it rotates at 100 rpm. The roll strip contact length will beA) 5 mmB) 39 mmC) 78 mmD) 120 mmAnswer : (A)

58.A soldering operation was work-sampled over two days (16 hours) during which an employee soldered 108 joints. Actual working time was 90% of the total time and the performance rating was estimated to be 120 percent. If the contract provides allowance of 20 percent of the total time available, the standard time for the operation would beA) 8 minB) 8.9 minC) 10 minD) 12 minAnswer : (D)

59. A welding operation is time-studied during which an operator was pace-rated as 120%. The operator took, on an average, 8 minutes for producing the weld-joint. If a total of 10% allowances are allowed for this operation, the expected standard production rate of the weld-joint (in units per 8 hour day) isA) 45B) 50C) 55D) 60Answer : (A)

60. In PERT analysis a critical activity hasA) maximum FloatB) zero FloatC) maximum CostD) minimum CostAnswer : (B)

61.Environment friendly refrigerant R134a is used in the new generation domestic refrigerators. Its chemical formula isA) CH C1 F2B) C2 C13 F3C) C2 C12 F4D) C2 H2 F4Answer : (D)

 62. The parabolic arc y = x, 1 ≤ x ≤ 2 is revolved around the x-axis. The volume of

the solid of revolution is

(A)

4

π

(B)

2

π

(C)

3

4

π

(D)

3

2

Π

 

63. A moist air sample has dry bulb temperature of 30ºC and specific humidity of 11.5g water vapour per kg dry air. Assume molecular weight of air as 28.93. If the saturation vapour pressure of water at 30ºC is 4.24kPa and the total pressure is 90kPa, then the relative humidity (in %) of air sample is

(A) 50.5 (B) 38.5 (C) 56.5 (D) 68.5

64. The value of the integral 2

dx

1 x

∞

−∞ + ∫ is

(A) −π (B)

2

π

− (C)

2

π

(D) π

Jobsforfreshers.in brings you list of ONGC Placement Papers 2011. Here you will find ONGC Placement Paper March 2011 with Answers, Solutions, Pattern, Download Free, PDF, Placement Paper of ONGC.

ONGC Placement Paper March 2011:-

1. Flag to manipulate movement of string : parity , zero , direction , inter

2. Microwave signal propagates by way of : direct , surface , sky , standing wave

3. Makes equivalent current generator in circuit analysis : Norton , Thevenin  , Maxm. Power Transfer , Superposition

4. When HPF and  LPF section are connected  in // it as Band reject filter with : fl > fh , fl = fh

, fl < fh

5.When peak transmitted power of a radar is increased by a factor of 16 , maxm range increases by a factor : 2 , 4, 8, 16

6.Tunnel diode : is  a point contact diode with high reverse resistance, is highly doped pn junction diode

7.   Arrow head of transistor symbol indicates : (drift / diffusion of  electron/hole)

8.   TRAPATT

9.   Currently nearly equal : Ic Ie , Ib Ie , Ic Ib , Ib Ic Ie

10.   Aspect ratio : raster width + height , Horizontal scanning frequency + Vertical Scanning frequency. 

11.   Ideal OP Amp – Input Impedance = ? Output Impedance = ? , Voltage Gain = ?

12.   IC 555 uses how many Flip Flop combination

13.   PF of inductive circuit : 0 , 1

14.   Unit of magnetic flux

15.   2 heater 1000W, 250V connected in series in 250V , 50Hz ac mains. Power drawn =?

16.   100 batteries , 9V each in parallel combination, Voltage across combination ?

17.   HTTP = stateful/stateless protocol ?

18.   IP address starts with binary address 110 it is class : A , B , C , D

19.   Layer responsible for delivery of packet from node to node

20.   ADSL behaviour : upload and download which is more or less ?

21.   Asynchronous  data transfer : start stop as mark and space

22.   f = 10 kHz sampled at Nyquist rate time int B/W 2 success samples ?

23.   Find correct parity as odd parity : Rightmost bit as parity bit : 1111111 1 , 0011010 1 , 1100110 1 , 0000000 0

24.    Dynamic memory cell store data in : register , capacitor

25.   +0.5 V in TTL logic is : high , low , undefined , high impedance

26.   Convert BCD 0001 0111 to binary

27.   Resolution of 6 bit DAC

28.   5th clock of johnson counter gives o/p = 0111 , 6th clock gives o/p = ?

29.   Lissajous figure are eant for measuring : R , V , I , f

30.   Unit of Voltage Sensitivity : Ohm/V , V/Ohm , Ohm V , V

31.   Satellite stays in orbit because : Satellite wt. + speed , gravitational pull + inertia , centripetal force +speed , satellite wt +pull of sun and moon

32.   FET depends on controlling current through SC change : 1 polarity , 2 polarity , 4 , 8 polarity

33.   Beta : Current gain in CC Mode , Current gain in CE Mode, Voltage gain in CC Mode, , Voltage gain in CE Mode

34.   Flash Analog To Digital of each comparator is connected to : decoder , priority encoder , MUX , Demux

35.   To serially shift a nibble of data in shift register there must be clock pulses : 2 , 4 , 8 , 1 clock pulse for each data

36.   Mod 10 counter uses Flip flop : 10 , 4 , 2 , 8

37.   Which family IC have better noise immunity : TTL , ECL , CMOS , DTL

38.   Address required for 4096 bit memory arranged in 512 X 8 memory

39.   When 8 bits serial in / out shift reg. I sused for 20 (mew)sec  time delay. Find clock frequency

40.   Conversion time of 6 bit successive approximation type ADC : 32 , 64 , 6 , 1/6 usec

41.   Volts / div on CRO changes  : gain in vertical / sec , : gain in horizontal / sec , freq of timebase , freq of trigger

42.   Measurement of Q is based on principle of : Resonance , Mutual Inductance , Piezoelectric Effect , Peltier Effect

43.   Laser light is brighter because : Pure , Coherent , White , Monochromatic

44.   Contents of Instruction Poointer Specify

45.   Waveguide has cut of freq = 17KHz . Which freq will not pass by waveguide : 15 Khz, 22 Khz

46.   1 nepar = _ db

47.   Transmission length < (lambda/4) in short ckt behaves as

48.   Holding ckt in SCR

49.   Centre tapped transformer in single phase cycloconeuses : 2 , 4 , 6 , 8 SCR

50.   Maximum height of satellite : Apogee , Perigee

51.    Damping factor = 1 : underdamped , critically damped , overdamped

52.   Difference between controlled variable and desired value of process control system

53.   Why differentiator is not part of control system : Increases input noise , increases error , reduces gain, reduces damping

54.   Definitiuon of Transfer Fn

55.   Identical Telephone no. under different exchanges are distinguished by : Modulation indices , language digit , access digit , area code

56.   Which is analog : DCM , DM , DPCM , PWM

57.   Carrier synchronization not needed in : BPSK , DPSK , QPSK , QAM

58.   Common ckt in Freq Hopp Spread Spectrum and Direct Seq Spread Spectrum : correlator , Freq Synthesizer , Sweep Generator , Pseudo Random Noise Code Generator

59.   Bit Rate _ Baud Rate ? : > , < , =

60.   Minimum Bwto transmit 56 kbps with no noise ?

61.   Wein Bridge is used to measure : f , L , R , C

62.   Fibre optic cable best for high speed data transfer : single mode step index  , multiple mode step index  , single mode graded index  , multiple mode graded index

63.   Microcontroller includes : CPU + Memory + I/O + Clock Generator , CPU + Memory + I/O , CPU + I/O

64.   Fetch cycle  is : 1st part of instruction cycle ,

65.       Modulation index increased from 0 to 1 . Transmitted power now ?

66.       Deemphasis is used because

67.       In FM, maximum deviation at what point of modulating signal

68.       Voltage gain of emitter follower : <=1 , =1 , >=1 , cannot say

69.       CRO uses which method of focussing

70.       Slew Rate unit

71.       Positive Feedback is same as  : degeneration , regeneration

72.       Integrator is : LPF , HPF

73.       Lowest Efficiency in Power amplifier : A , B , AB , C

74.   When PLL is used as frequency multiplier, O/P is taken from

Jobsforfreshers.in brings you list of ONGC Placement Papers 2012. Here you will find ONGC Placement Paper January 2012 with Answers, Solutions, Pattern, Download Free, PDF, Placement Paper of ONGC.

ONGC Placement Paper January 2012:-

1. The layer in the OST model handles terminal emulationa) sessionb) applicationc) presentationd) transport

Ans. (b)

2. Long int size isa) 4 bytesb) 2 bytesc) compiler dependentd) 8 bytes

Ans. (c)

3. 1) Stung by the critics of its UN Force Commander/2) and pressure from regional players,/3) India has decided to pull out its contingent/4) from the UN peacekeeping force in Sierra Leone./5) No error

Ans:- 1

4. 1) It is a matter of great concern that the governments/2) of Tamil Nadu and Karnataka want/3) to offer amnestly to Veerappan, a criminal who has killed more then 120 people,/4) thousands of elephants and smuggled huge qualities of sandalwood./5) No error

Ans:- 4

5. A train traveling at 42 kms/ hr passes a cyclist going in the same direction in 9 secs. If the cyclist had been going in the opposite direction, the train would have passed him in 5 secs. Find the length of the train.

a) 75 meters b) 60 meters c) 90 meters d) 80 meters

6. A person walks a distance of 18 kms at a particular speed. For the next 30 kms he increases his speed by 2 kmph. Had he walked the entire distance at 3 kmph more than his initial speed, he would have reached 4 hours earlier. Find his initial speed.

a) 3 kms/hr b) 2 kms/hr c) 4 kms/hr d) None of these

7. the sides of a triangle are in the ratio 37.if the perimeter is 60 cms, the longest side is

a.7 b.30 c.28(ans) d.14

8. an article with cost price of 180 is sold at 15% profit. what is the selling price?

a.198 b.200 c.204 d.207(ans)

9. 70% of x is greater than 1/3rd of x by 110.what is x?

a.100 b.200 c.300 d.350(ans)

10. the age of a and b are in the ratio 4:5 and of b and c in the ratio 3:2.the youngedt of three is

a.a b.b c.c(ans) d.can't say

11. There is a church tower 150 feet tall and another catholic tower at a distance of 350 feet from it which is 200 feet tall. There is one each bird sitting on top of both the towers. They fly at a constant speed and time to reach a grain in b/w the towers at the same time. At what distance from the church is the grain?

Ans: 90

12. A person wants to meet a lawyer and as that lawyer is busy he asks him to come three days after the before day of the day after tomorrow? on which day the lawyer asks the person to come?

Ans: thursday Jobsforfreshers.in brings you list of ONGC Placement Papers 2012. Here you will find ONGC Placement Paper January 2012 with Answers, Solutions, Pattern, Download Free, PDF, Placement Paper of ONGC.

ONGC Placement Paper January 2012:-

1. The layer in the OST model handles terminal emulationa) sessionb) applicationc) presentationd) transport

Ans. (b)

2. Long int size isa) 4 bytesb) 2 bytesc) compiler dependentd) 8 bytes

Ans. (c)

3. 1) Stung by the critics of its UN Force Commander/2) and pressure from regional players,/3) India has decided to pull out its contingent/4) from the UN peacekeeping force in Sierra Leone./5) No error

Ans:- 1

4. 1) It is a matter of great concern that the governments/2) of Tamil Nadu and Karnataka want/3) to offer amnestly to Veerappan, a criminal who has killed more then 120 people,/4) thousands of elephants and smuggled huge qualities of sandalwood./5) No error

Ans:- 4

5. A train traveling at 42 kms/ hr passes a cyclist going in the same direction in 9 secs. If the cyclist had been going in the opposite direction, the train would have passed him in 5 secs. Find the length of the train.

a) 75 meters b) 60 meters c) 90 meters d) 80 meters

6. A person walks a distance of 18 kms at a particular speed. For the next 30 kms he increases his speed by 2 kmph. Had he walked the entire distance at 3 kmph more than his initial speed, he would have reached 4 hours earlier. Find his initial speed.

a) 3 kms/hr b) 2 kms/hr c) 4 kms/hr d) None of these

7. the sides of a triangle are in the ratio 37.if the perimeter is 60 cms, the longest side is

a.7 b.30 c.28(ans) d.14

8. an article with cost price of 180 is sold at 15% profit. what is the selling price?

a.198 b.200 c.204 d.207(ans)

9. 70% of x is greater than 1/3rd of x by 110.what is x?

a.100 b.200 c.300 d.350(ans)

10. the age of a and b are in the ratio 4:5 and of b and c in the ratio 3:2.the youngedt of three is

a.a b.b c.c(ans) d.can't say

11. There is a church tower 150 feet tall and another catholic tower at a distance of 350 feet from it which is 200 feet tall. There is one each bird sitting on top of both the towers. They fly at a constant speed and time to reach a grain in b/w the towers at the same time. At what distance from the church is the grain?

Ans: 90

12. A person wants to meet a lawyer and as that lawyer is busy he asks him to come three days after the before day of the day after tomorrow? on which day the lawyer asks the person to come?

Ans: Thursday