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plz send me the previous year question papers in mechanical engineering for ntpc

the previous years question papers are generally not available in the net,
you can get them only from your seniors who have already written the exam

dear
this are the question of last year
National Thermal Power Corporation (NTPC) Executive Trainee Sample Questions

Mechanical Engineering

1.An engine operates between temperature limits of 900%u02DAK and T2, and another between T2 and 400˚K. For both to be equally efficient , T2 will be equal to A 600˚K C 650˚K B 625˚K D 700˚K 2. 40% of the incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissive of the body be 0.15, then the emissivity of surface is A 0.45 C 0.40 B 0.55 D 0.60 3.The property of a material by virtue of which it can be beaten or rolled into plates is called A ductility C malleability B plasticity D elasticity

Electrical Engineering

1. Twelve identical wires of resistance 6Ω each are arranged to form the edges of a cube. The effective resistance between the opposite corners of the cube is – A 6Ω C 8Ω B 5Ω D 4.5Ω 2. A d.c shunt motor runs at 200 V supply, if the armature current is 20 A and resistance of the armature is 0.5 ohm, the back e.m.f developed will be- A 210 V C 190 V B 200 V D 180 V 3. A 0-25 A ammeter has guaranteed accuracy of 1% of full scale reading. The current measured by this instrument is 5 A. The limiting error in percentage is A 5 C 2 B 2.5 D 1

with best wishes
aditya

you should be download forums.sureshkumar.net and www.icbse.org/.../ntpc-previous-year-placement-papers_31.html .

from here you can download previous year question papers:

entrance-exam.net/ntpc-executive-trainee-test-papers/

All the Best

thnks friends

hi friends im praveen i need question banks on mechanical engineering stream please send me my mail id is [email protected]

Dear friend

I am providing you the detail information about the pattern of the exam, book and

question paper.

Pattern is as follows:

Written test consists of Technical Knowledge Test (TKT) and Executive Aptitude Test (EAT).

120 questions in Technical test
50 questions in Aptitude test

Total = 170 question, must be answered in two hours.

Negative marking: 1/4th mark will be deducted for each wrong answer.

In Technical test questions may come from disciplines like Finance, Electrical etc while in

Aptitude test questions may come like vocabulary, verbal comprehension, quantitative

aptitude, reasoning ability etc.


Books should be followed:

Books for Aptitude Test:

Quantitative Aptitude R. S. Aggarwal

Oswaal Solutions of UPSC Solved Papers

Books for Technical Test:

Oswaal Solved Papers


Question paper


1 An ice block submerged in the water, if the ice melts level of water (increase,decrease,remains same,none)

2 Simply supported beam with w point load at the middle, max. bending moment?(wl/4)

3 Simply supported beam with UDL ,max.deflection (wl4/384EI)

4 Cantilevel beam point load at tip,max.bending momemt comes at (end)

5 When bearing life L10 represents (bearings 10%survive,bearings 10% fails, none )

6 For welding high carbon steels which type of flame is used (oxidizing,carburizing,neutral,none)

7. Arrange the following cutting tools in decreasing order of machining hardness…Ceramics

8. When P1 and P2 are the loads acting on bearings with life L1 and L2 then L1/L2=?
L1/L2={P2/P1}10/3

9.Product simplification does not mean??
Product characterization

10 Which of the following process has the most scope in manufacturing?
CAD/CAM, CAM, CIM, All the above.

11. Concurrent engineering means?
(Manufacturing, designing, both,none)

12. Which manufacturing process yields higher output and increases worker productivity-
(process layout,line+process,functional layout)

13. 18-4-1 represents-, Tungsten-Cr-Vn

14 For which material is negative allowance provided-(Graphite,steel,bronze,cast iron)

15. What is the recrystallisation temperature of tin- (60,300,1000,none)

16. What is the purpose of borax in soldering-

17. Top gates are provided in which type of casting-(Shallow casting,simple,complex,none)
18. Which statement is true regarding simple gear trains-(i/p and o/p shafts r fixed, each shaft has 2 gears, i/p & o/p shafts r moving)

19. What is the purpose of normalizing- (Refining of grain structure)

20. As the grain size is decreased-(Hardness increases,corrosion resistance decreases,both)

21. Isothermal gas is filled in a vessel at a pressure P and temperature T then considering the compressible forces as the height increases pressure ??(linearly increases linearly decreases exponentially increase )

22. A bottle is filled with water and air and is tied to a string and is rotated in horizontal direction. Then in which direction will air bubble travel?
(bottom,neck,uniformly spread)

23. A empty bottle(in vaccum) filled with a gas at temp T and press P when the pressure of bottle reaches P temperature of the gas is _? (T,T/K,TK)

24. Bearing somerfield number _ with load on bearing?
(increases,decreases,no change)

25. Critical radius for a sphere is-(2k/h)

26. Critical radius exist for_ (spherical,cylindrical,both,slab)

27. Convectional resistance/internal resistance is called (biot number)

28. Nusselt no. is? (hl/k)

29. EOQ=?

30 Which statement is true regarding critical path method? (i only one critical path exists for a network, more than one with same duration,)

31. Shipment cost,inspection cost,storage cost comes under_ (carrying cost ,holding cost,)

32. Ischronous governers sensitivity is- (zero,infinite)

33. self energized brakes are-(friction moment acts in the direction of application of force,opposite to the direction of force, does not need a force to act ,)

34 The ratio of heat capacities for evaporator and condenser is_ (Zero,infinity)

35. when steam and air mixture with partial pressure 0.06 and 0.07 enters a condenser what is the condenser pressure? (0.06,0.07,0.53,0.03)

36. In pulverized burning of coal heat transfer from boiler to water occurs through_( predominant radiation, convection, conduction, conduction+convection)

37. Rankine cycle efficiency for same parameters increases mostly with_(reheat, regeneration, super heating )

38. Ericson cycle with all reversible processes assume_(carnot cycle,stirling,brayton

39. Air delivery tank at outlet of reciprocating compressor is provided for_ (provide constant pressure, avoid cavitation, )

40. High speed centrifugal pump has _?
(vanes faces in forward direction side,backward,radial vanes)

41. Thermal efficiency in decreasing order_?
(Otto cycle>dual cycle>diesel cycle)

42. When a 1000 K body comes in contact with atmosphere at 300K a loss of 9000 KJ heat is transferred. The net available energy transferred is_
43. When entropy of a system increases_?
(unavailable energy increases )

44. Rolling is a process widely used for_?

(I section,tubes)

45. Tool nomenclature_?

46. In francis turbine movement of steam?

47. For low power consumption _?
(rake angle should be increased / decreased, nose angle increased/ decreased)

47. Continuous chips occur in_?
(High speeds,low speeds,both,none)

48. Primary forces in a reciprocating engine_?
(fully balanced, partially balanced, completely unbalanced, none)

49. In proximate analysis pyrogallol is used for analysis of which element_?
(nitrogen,oxygen)

50. Sulphur content in fuel greatly affects_?
(corrosion)

51. Heat transfer through radiation can be increased by_?

(decreasing emissivity and increases temperature of hot body)

52. which theory of failure clearly explains the failure in case of ductile material?
(Maximun shear stress theory or Guests or trescas theory)

53. When a material is subjected to continuous cycles which limit is being verified?
(Endurance limit)

54. where is stress concentration maximum?
(notches, stress reducing throughcuts)

55. Power transmitted through a belt drive_?
P(T2-T1)

56. According to Eulers theory crippling or buckling load is
(Wcr = Cp2EI/l2)

57. During sensible heating, specific humidity_?
(remains constant)

58. COP of a refrigerator is _?
(greater than 1 )

59. The maximum temperature in a refrigeration cycle is_?
(less than/greater than/equal to critical temperature)
60. The pressure at the throat of the nozzle_?
(maximum,min)

61. for a statically determinate set of forces for equilibrium_?
(? f(X),f(Y),f(Z)=0,?M=0)

62. For a statically determinate set of forces-
(there r as many equations as the no. of unknowns)
63. 1-2-3 analysis is used for_?
(1.break even analysis, ??)

64. A problem on mean time of service something like a salesman has a rating of 120. considering 10% allowance time calculate the time required to serve 120???

65. A problem n determining time in a queue??

66. Energy equation for a laminar flow is _?
(Uniform and steady ,non uniform and unsteady)
67. Undercuts in welding occurs due to_?
(low welding current,high welding current)

68. Work holding equipment in shearing??

69. At the centre of a nozzle _?
(Mach no<1 >=1;=1)


Best of luck

the property of material by which it can be beaten or rolled into thin sheets is called

ntpc supervisor paper

the property of material by which it can be beaten or rolled into thin sheets is called

Ans: Malleability


Souvik Kumar Dey

which book shud one refer for cracking the technical(mechanical) section of d ntpc paper?

which buk shud one refer for d technical(mechanical) section of d paper?

what is the procedure to excite a woman

plz send me the previous year question papers in mechanical engineering for ntpc

good evening sir............
sir i am 4th yr mechanical engg. student ,i want to know that how much marks i should bring to get the qualify in this exam.
and can u told me about the good book for the prepoaration of this exam

please suggest me a way and helping books to crack NTPC for mechanical enginnering and in which areas should i concentrate more.
thank you...

1. What is causal system?
2. Shunt reactor is used in EHV transmission line for
3. 20w, 40W, & 200w lamps are connected to three phases if neutral wire breaks then which lamp will fuse first? 1) 20 2)40 3)200 three lamps will fuse together.
4. Synchronous machine can be operated at both lagging and leading power factor
5 What does synchronous speed mean?
6. Frequency of emf generated per rotation of rotor is equal to….
7. DC machine having wave winding is wounded as lap winding what will be the effect on emf generated

8 Which is remain unchanged in transformer action?
9. In transformer windings are connected………….?

10. In general how transformer is rated?

11. What is given on the name plate of motor? 1) KW 2) KVA 3) output shaft power

12. Short circuit test of transformer gives what?

13. Transformer core are laminated for what purpose?

14. What is supply voltage for heavy industry .1) 33KV 2) 11KV 3) 132 KV 4) 66KV

15. Basic structure SCR as a two transistor i.e. how they are connected?

16. What is Triac?

17. System admittance is (G+jB) what is reactive power absorbed if the voltage is V KV? (1) V (square)*B (2) V (square)*g ….

18. In series R-L circuit what is phase difference between the voltage drop across R and L?

19. Power factor is cosine (delta ) delta is the angle between 1) phase voltage phase current 2)

Line voltage lone current 3) phase voltage line current 4) line voltage phase current.

20. Laplace of exp (-at)?

21. For series R-L-C circuit the load will be capacitive if the frequency is 1) greater than the resonant frequency 2) less than the resonant frequency 3)….

22. In Wien’s bridge which circuit elements determine the frequency range?

23. What is the output if two booster having duty cycle K and (K-1) are connected in series?

24. If a DC shunt motor is loaded from unloaded condition what will be effect of on terminal voltage?

25. A second wire system having one pole one right half of the s-plane. When the system will be stable?

26. A system having repetitive pole what will be effect on the gain at the cross over frequency?

27. Hollow conductor is used to reduce corona loss how does it reduce the loss?

28. In DC machine how voltage is related to flux?

29. Nature of current and voltage in the armature and at the terminal in DC machine.

30. Motor acts on the principle of …………..rule

31. Which instrument measure both ac and dc?

32. How the rotation of induction motor is reversed?

33. If 3-phaseof a 3- phase balance load are reversed what will be the effect on the line current?

34. If the rating of VAR absorber is 50MVAR at 400KV. What will the VAR absorbed by the absorber at 300KV?

35. In regenerative breaking of DC series motor what is done?

36. Definitions of Fourier transform?

37. Laplace of f(t) is F(S) what is Laplace of f(t+T) .

38. Z-transform of sampled function x(n) for n>0.

39. Laplace transform of impulse function.

40. Z-transform of unity.

41. How many slip rings are there in 3phase synchronous motor?

42. How the speed of synchronous motor is controlled?

43. Speed control of induction motor?

44. When power supply is supplied to heater coil it glows while simple wire does not glow. Why?

45. A synchronous generator having inertia constant 4 and having rating of 100MVA. What will be energy stored by the machine?

46. A transformer having ratio 20:1. The secondary load is 0.6 ohm and the voltage across it is 6 V what will be the primary current?

47. A RC circuit having r=0.8ohm, c=2.5micofarad what will be the time constant?

48. Find load impedance if c=0.1 micro farad?

49. Two capacitors connected in series the equivalent capacitance is 0.03uf and when connected in parallel the equivalent capacitance is 0.16uf find out the ratio of the two capacitance?

50. An L-c circuit having frequency 1/sqrt (LC) what will the equivalent impedance?

51. An inverting op-am having input with resistance in series and a capacitance in feedback operates as a……………….?

52. A current having fundamental and third harmonics what will be the rms value of the current?

53. Peak to peak value of voltage if rms voltage is 100V.

54. Rms voltage.

55. What is the approx efficiency of nuclear power plant?

56. What is the average current of a single phase full wave rectifier firing at angle alpha?

57. What is the function of freewheeling diode?

58. When SCR stops conduction? (holding current)

59. For measuring current why shunt resistance is used?

60. For economic operation of plant what is the condition?(taking into account the penalty factor)

61. Incremental fuel cost of two plants is given and a load is given. Find out the load sharing for economic operation of the plant?

62. A two port network is represented by ABCD parameters. What will be condition for the two port network to be symmetrical?

63. Size of the conductor is determined by ……………….

64. Which Surface is suitable for grounding?

I Hope this helps in your NTPC preparation

iam appearing for ntpc first time.please if you have previous papers send to my mail [email protected]

I'm a mechanical engineer. I'm going to write ntpc this year. kindly give questions to [email protected].
Thanks in advance

iam appearing for ntpc first time.please if you have previous papers send to my mail [email protected]

Originally Posted by Unregistered

iam appearing for ntpc first time.please if you have previous papers send to my mail [email protected]

PREVIOUS YEAR MODEL PAPERS OF NTPC

Attached some of the previous year model papers of NTPC exam in this post.. kindly check it over.. hope it helps for your preparation...


POINTS TO NOTE :

-> Attached the tentative syllabus for NTPC exam in this post.. just go through the topics and prepare for it accordingly..

-> Don't reside only on previous year papers, go through the papers and find out the type of questions asked for the exam and prepare for the questions accordingly.. This helps you to save a lot of time in the final exam...

-> Some of the recommended books which are available in the market which might help you for your preparation are as follows...

NTPC Mechanical Engineering Guide


NTPC Electrical Engineering Guide


Guide To General Aptitude Test For NTPC, BHEL, SAIL And Other Public Sector Exams


Objective General Engineering : NTPC,SAIL,BHEL


Guide To General Apt. Test For NTPC, BHEL, SAIL

-> NTPC exam consists of 120 questions technical and 50 questions on general aptitude.

-> To prepare for general aptitude online CLICK HERE!!!

I am chhote lal kumar me from DCE DARBHANGA i want aptitud test syllabus andtips @pls help me

please send me ntpc previous year model questions via [email protected]

plz send me tecnical question papers and aptitude test papers for getting job in mechanical core companies to my [email protected]

pls send me detial of ntpc selection procedure

Please send me last 5 years question papers(solved) for MECHANICAL ENGINEERS. I hope to hear from you at the earliest possibe.
THANK YOU

DEAR EVERY ONE,
IF ANY ONE HAS GOT PREVIOUS YEAR QUESTION BANK OF NTPC DIPLOMA TRAINEE (MECHANICAL) EXAM, PLEASE SEND ME ON MY E-MAIL [email protected]

,Which book we should prefer for the preparation of NTPC? Is it possible to prepare within 2 months?,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

sir i want material to prepare enternce test of ntpc on 20th oct.so please send the test paper modal...

please send me question papers or name of refrernce book for ntpc exam of mechanical stream....
my email id is
[email protected]

sir please send me syllabus & questions papers of npcil exam? my email id: [email protected]

plz send me the previous year question papers in mechanical engineering

Pls send me question paper fr diploma engg.

hello sir
can u send me last 5 years question paper..
i searched but cudnt find..

i am pass out in 2013 diploma in mechanical.iam preparing rs agrawal mechanical engineering book,is it sufficient for NTPC?pls send me diploma written test paper.my email id is praveshkumarvarma@gmail .com.thank you so much.

sir please send me ntpc mech previous que paper on my email [email protected]

Sir plz send previous year question paper of ntpc in mechanical for diploma holders in my [email protected]