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Placement Papers>>Jindal

JINDAL Placement Papers


Hi friends my name is VINAYAKA G, I written the aptitude test on 15/04/08, there are totally 50 questions , little bit difficult, I have given all those questions below, apart from that u refer objective mechanical by R.K. rajput, strictly speaking all the questions are from that book only, that is my luck. Finally I am short listed in aptitude round. (Timing---one hour)
1. What is the principle on which centrifugal compressors works ---conversion of K.E to pressue 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 continous 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


Then we enter the G.D. session, it is little bit easy to clear but u must have the through knowledge on the recent events, finaly I
short listed in G.D. also. My topic is “womens are better managers than men”
My friends topics are
1. Girls are fitted in working in manufacturing industry
2. Weather formal dress should be there for childrens r not, etc
3. Technical round:
Any way finaly I entered the technical interview, after coming out I realy wondered, I mean I told all the answers perfectly and in a speedy manner, so u must be perfect in one subject, which u written the best subject in u r resume. One of the technique is they will ask questions from the subject u written as best at the last.

My interview,
I entered in to the panel where two members sat, they told me to sit, then I sat on a chair, they asked me which u r favourite subject is? -------MES
What is the full form of it? ----mechanical engineering science
What is there in it? ---basic concepts of mechanical engineering
Which are the chapters in that subject? ----sources of energy, boilers—
Tell me the type of boilers? ---fire tube and water tube boilers
Tell me the principle?---in fire tube boilers hot gases moves in to the tube bands and cold water circulates among them, where as in water tube boilers water moves in to the tube bands and hot gases sorround on them.( show in actions by hands)
Ok very good, tell me other chapters?---power transmission
Which are the types of power transmission?—chain drives, gears, belt drives, rope drives
Tell me the concept of belt transmission I mean principle?--- in belt transmission there r two pulleys, one is driver connected to shaft, because of which it rotates, another is driven which rotates because , driver rotates, on these pulleys we keep a belt to transmit power
How it will transfer?---because of slack and tight tensions on pulleys
Ok very good, u can go now, we will anounce the results later, ----ok sir

4.H.R. round:
It is very easy, it will be carried in jsw only, once if u shortlisted in technical, and if u r records r correct, then u will be selected, don’t bother about h.r round
Any way the interview is very much experianced in my life, because it is my first interview.

5. Eligibility:
Regarding eligibility they asked
He must be a regular, ie he must complete the engineering in 4 years only.
60% in BE only
No back logs
He must not written any test or not attend any interview in any branch related to JSW, etc
6. Contact:
Any way best of luck my friends, after u r interview; please forward u r experience if possible, so that it helps others, like from me to u. Once again best of luck my friends,
Thanking you
Yours obidiently
Vinayaka g



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