BHEL  Placement Paper   Whole Testpaper   St. Anns Convent,Secunderabad-10 Aug 2008

BHEL  Placement Paper   Whole Testpaper   St. Anns Convent,Secunderabad-10 Aug 2008

  • Posted by  FreshersWorld 
    7 Jan, 2012


    Hii friends today I have taken BHEL exam. I would like to give u the details of the written test. It comprises of 2 sections technical (120) and aptitude (120), total 240(Test duration 150 minutes). Here I will post the questions as far as I remember. I am from mechanical stream. Paper is easy and many are direct questions, only factor concerned is the time.      

    1. Critical load acting axially on a long column
    Ans: (pi)2*E*I/L2

    2. Relation between moment of area and radius of gyration
    Ans: I=AK2

    3. Cup shaped components are produced using which operation
    Ans: drawing

    4. A sheet of Al alloy having 2mm thickness is welded using which process
    Ans: TIG

    5. Two gears having teeth 18 and 40 and center distance 56?what is the module?

    6. In thick cylinders, which of the following is true[*S stands for sigma*]  (a) St>Sr (b) St=Sr (c)St

    7. In a plane stress condition, if the centre of Mohr?s circle coincides with the origin then which is true?  ?.the relation between Sx and Sy is asked

    8. Lame?s theorem?.F1/sinA=F2/sinB=F3/sinC

    9. Young?s modulus value for steel=200Gpa

    10. Thermal conductivity of silver=400w/m0K

    11. Fouling factor formula??F.F =1/Udirty-1/Uclean

    12. Relation between notch sensitivity factor and theoretical stress concentration factor

    13. Effectiveness of heat exchanger definition

    14. Reynolds?s number formula

    15. Clinical thermometer is which order system ?.0,1,2, or 3

    16. Piezometric transducer is used to find which signals?static or?. dynamic

    17. Peclet number formula=Re*Pr

    18. Radiation energy emitted, Eemitted=S*A*T4

    19. Which of the following is not related to CI engine
    (a) Fuel pump (b) carburetor (c).. (d) none

     20. Two connected in series having stiffness?s K1, K2
    Kequivalent=K1*K2/K1+ K2

    21. Magnification factor at resonance, MF=1/2zeta

    22. Coroili?s component value, =2vw

    23. Hooks law holds good upto
    (a)elastic point (b)UYP(c)LYP(d)Failure     

    24. Meshing of two gears fail if
    (a)materials are different(b)
    25. A beam whose one end is fixed and other is free is           
    (a)cantilever (b)ss(c)Udl(d)none     

    26. Deflection at the free end of cantilever =PL3/3EI

    27. Shear stress, twisting moment given ,find diamaeter?.

    28. Formula for polar moment of inertia of a hollow shaft

    29. Formula for logarithmic decrement

    30. A problem based on the above formula

    31. Two question on transmissibility(W/Wn ratio )

    32. Question from vibration?mass,k given ?cal frequency

    33. Two more questions, one each from riveted joints and cotterjoint

    34. 1BHN=N/m2

    35. Temperature limits, given to find Carnot?s efficiency

    36. Metacentric height is the distance between Metacentre and --------           
    Ans: Centre of gravity

    37. Force and displacement vector given to find out the work done

    38. Rota meter is used to find          

    In addition, 10-12 were asked from electrical basics.    



    Antonyms (5)-Facetious, Benign?

    Synonyms (5)-very easy

    Fill in the blanks (5):-a bit tough

    2 Comprehension passages

    Correction of sentences-(5)

    Reasoning (5)  

    This section is very easy that u can start of the exam with.  

    Hope this is helpful to u all.














































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