Here I am giving you question paper for Jindal Steel Power Limited aptitude test for placements in a word file attached with it ..

In this section there were totally 50 technical questions, with 4 options for each question, depending on different branches. Time duration was 45 min. Some of the questions I remember are. …….
1. Which metal/alloy is used in railway tracks _____ ?
2. Hydraulic press works on the principle ______?
3. If e=0 body is said to be ______?
4. Which has max poisons ratio ______ ?
5. Coplanar, concurrent forces equilibrium eqn ______.?
6. For simply supported beam with load at midspan bending moment is given by eqn _______?
7. In I.C Engine petrol efficiency is given by ________ Number?
8. Emissivity of white body at all temperature & pressure is______?
9. Rod is manufactured using ______ process?
10. In ball bearing which is harder ______ ?
11. Equilibrium eqn for non-coplanar, concurrent forces _______ ?
12. An ice cube is placed in a glass filled with water, when the ice cube melts the level of water will be ______?
13. On burning chemical fuel which energy will release _______?
14. Which has +ve displacement ________?
15. Governor hunting is ______?



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