pricol

1. APTITUDE (40Q) & TECHNICAL WRITTEN TEST (100Q)

2. GD(Less weightage for GD)

3. INTERVIEW



TECHNICAL TEST (Negative mark for wrong answers)

TIME: 45min



1. Elements of Constantain….



2. unit for dynamic viscosity…….poise



3. wt is the cutting speed of HSS single point cutting tool while machining CI a.6m/min b.11m/min c. 22m/min d. 33 m/min



4. definition of mach no……... inertia force/elastic force



5. Subsonic velocity occurs when a. throat b. convergent. c. divergent d. convergent divergent



6. bombers are used in a. turbojet b. ramjet c. pulse jet d. turbo propeller



7. The gradient of any hardened steel. a. marten site. b. pearlite c. austenite



8. symbol for total run out



9. symbol for pressure relief valve



10. escape velocity Ans:11.2km/sec



11. moment of inertia of solid sphere a. 1/2 Mr^2 b. 2/3 Mr^2 c. 1/8 Mr^2



12. 1 stroke=--------m^2/sec.



13. AutoCAD window (default )size



14. 18-4-1 HSS denotes the sequence % of a)tungsten,Cr, Ve b)W, Cr ,Mn



15. 75 cm of mercury= ……………..cm of water



16. in which process glass is machined………..a)usm b)edm c)ecm



17. non consumable electrode use in a)TIG b)MIG c)USM



18. C, H2 is added in surface in which process a)carburizing b)nit riding c)cyaniding



19. degree of freedom of vibration system a)0 b)4 c)2 d)3



20. the function of control rod a)absorb the Neutrons b)to prevent the radiation



21. the fuel used in nuclear thermal power plant a)uranium b)plutonium c)thorium



22. compression ratio in motorcar a)5 b)16 c)7 d)13



23. Cetane no of diesel engine for efficient operation -50,100,1,20



24. hoop stresses is …….circumferential tensile stress



25. if E is 2 times of rigidity modulus then Poisson ratio will be ----0,2,1,4



26. if diameter is double the resistance will be -----R/4, R/8, R/2, 2R



27. formula coriolisis component------2wr,



28. which one is semiconductor material -------germanium, silica



29. the body rotate around a fixed axis the motion will be--------rotation , circular, translation ,rotation and translation



30. min dia of hole that can be punched…….4TFs/Fc, 4TFc/Fs



31. the ratio of I.P/B.P………volumetric efficiency , relative efficiency,



32. in which gear the min axial thrust is available…..worm, herringbone, spur, helical



33. worm gear commonly used due to ……high speed reduction , easy to M/F, low cost, low Power consumption



34. in which thread stress is induced in one direction ….ACME, buttress



35. use of economizer……..extract heat from flue gas, increase the efficiency



36. PERT technic is ….target based , process based etc



37. the value means in value Engg…………Total cost of the product, etc



38. backlash definition …



39. steam bleeding is done to ….extract steam from turbine and heat the feed water



40. non positive pump …….centrifugal pump



41. When rotary compressors are used …………..high discharge low pressure, etc…..



42. density of water max at ………0 degree C, 4, 20, 100



43. when walking on the ice slippery is due to ……..no friction, ice breakage, ice chill, Pr increases melts the ice



44. Stainless steel contains for corrosion …..Chromium , Cu , Zn , Ni



45. metal regains its original position after unloading but not instantaneously……elastic , plastic, anelastic , partially plastic



46. for ductile material which theory of failure is used……..distortion energy theory ,max principle stress theory



47. Max principle theory is used in which material?



48. For brittle materials which theory of failure?



49. standard time ……a)operational time+ allowance+ ideal b) normal time + allowance



50. Work study means…….



51. the least amount of material removed in …….lapping , honing, super finishing ,

grinding



52. glazing of grinding wheel due to …….break of bonds, break of abrasive particles, wear of abrasive particles



53. the size of inlet valve compared to exit valve …….less, more, depending on the applications



54. Definition for torsional rigidity …….



55. stiffness ……..force/unit deflection



56. in which axis moment of inertia is less…….vertical , horizontal , central , it is not dependent on axis



57. in case of forming the stress value is ……above yield point within ultimate strength , within proportionality, etc



58. spark loss in cycle …….0.1 second , 0.01 s ,



59. the ratio volumetric strain and Poisson ratio



60. Which polymer is crystalline ………PVC, etc



61. Shrinkage allowance is high for ……..Brass, CI, etc



62. No of tolerance grade used in SI ……..18,16,21



63. which one is correct fit indication …….50 H8/g7, H8/g7, g7/H8, H8/g7-50



64. in which place the millimeter reading is available……Thimble, barrel , anvil, ratchet



65. advantage of die casting ………high productivity , high tolerance,



66. in case of super sonic flow …….the velocity increase with decreasing area , the V increases with A increasing, there is no change, none of this



67. More power required in centrifugal compressor due to …..air leakage , air I water, heavy liquid,



68. gas behaves as ideal at ……..vacuum , high Pr & High Temp, critical temp



69. Recystalline temp of steel ………



70. Specific heat of air…….



71. entropy changes with ……internal energy change , Pr & Vol change , change of state, Change in temp



72. in which process max work can be obtained….Const Vol, Const Pr, Const Temp, Const Entropy



73. in throttling process………is const(enthalpy , entropy)



74. reverse joule cycle is ……….(bell coalman cycle, Rankine cycle, bray ton cycle



75. in vernier caliper class A,B,C classification due to ……range , accuracy, L.C,



76. choking is …….change in mass flow rate with proportional to Pr ratio, change in mass flow rate with inversely proportional to Pr ratio, fixed mass flow rate regardless to Pr



77. during idling and low speed running which mixture is used……..rich mixture, lean mixture,



78. multi slurry is used for …………high efficiency, balancing and uniform torque, run continuously when one cylinder is failed,



79. Wheatstone bridge is used to measure…………resistance, low current ,high voltage, high current



80. dynamometers are used to measure ……torque ,power, force



81. the value of integral of x/cos2x



82. product layout used in………..batch prodn, continuous prodn, efficient use of machines, all



83. The locus of the point on the circumference of the circles rolls along the straight lines without slip… …..cycloidal path, involute, epi cycloid



84. question from damping and dampers



85. The rocket works on the principle of……….. linear moment, angular moment, force, flow



86. the basic hole is one…… lower deviation is zero, upper deviation is zero



87. random errors follows which curve……..hyperbolic, parabolic, causian, scatter



88. in selective assembly, type of fit used……..string fit, wringing fit, free fit, press fit



89. While tapping, the size of the hole is drilled…….. equal to thread dia, less than thread dia, more than thread dia



90. Use of differential ……….



91. A question related on blanking of roads



92. Which one has high wave length……. Alpha rays, beta rays, x rays, uv rays


GROUP DISCUSSION (15 min) TOPICS common for all teams



1. Industrial & business programs can be accelerated through an application oriented learning curriculum in educational institutions - Discuss



2. Knowledge –explosion of today churns out lots of intelligent and raring to-go-youngsters. How do we allow this knowledge with rich experience that industry and business

already have.



3. In India, the issue is not employment ,but employmentability – Discuss

NOTE: Out of 3, topic choice is yours



APTITUDE (40Q, 30 MIN)



First 15 Questions are Quantitative (refer R.S. Agarwall), remaining are verbal (analogies type).



Pricol-2002(OLD PAPER)



1. QS-9000 is applicable for ______ industries

a. textile b. electronics c. chemical d. automobile



2. force which acts along the radius of the circle and away from the centre is _____

a. centrifugal b. centripetal c. radial d. axial



3. life of the tool is affected by _______

a. cutting speed b. feed c. depth of cut d. chip thickness e. all



4. Basic tool in work study is ____

a. stop watch b. bar chart c. process chart d. planning chart



5. shaft is subjected to ______

a. torsion b. bending c. axial d. any of the above



6. standard metric pitch of M14 is ____

a. 0.80 b. 0.85 c. 0.9 d. 0.95



7. the cutting tool used for machining HSS is ____

a. carbide b. CBN c. stellite



8. machining time formula is ________ minutes.



9. the parameter for process variation is _______

a. Cp b. Cpk c.pp d. ppk



10. the system is capable when the value of Cp and Cpk is __

a. 1.13 b. 1.43 c. 1.23 d. 1.33

11. what is i. TPM ii. PPM iii. PPM ( regarding quality ) iv. SPM

12. what is i. BIS ii. APQP iii. ISO iv. PPAP



13. The point angle of drill is _____

a.120 b. 119 c. 118 d. 117



14. standard time = _______



15. the finishing operation in grinding is done by ______

( with respect to grade, structure, …)



16. outer dia – ( 2 * module ) = ________

a. inner dia b. addendum c. dedendum d. PCD



17. draw the symbol for i. Symmetry ii. concentricity

iii. Perpendicularity iv. Circular runout



18. unit of specific heat ______



19. (COP)H.P = (COP)R + 1



20. General equation of parabola is ____



21. if spring is cut into two pieces the stiffness will _______ (double)



22. wahl stress factor…



23. cetane number = ___________



24. what is brine solution?



25. corrosion inhibitor _____



26. adiabatic process is _________ ( no heat )



27. material for -- cylinder liner ; cylinder ; piston rings



28. compression ratio is = (Vs+ Vc)/Vc



29. hardest tool _______



30. theory of failure _____



31. what are the TQC tools?( paretto diagram, histogram, tree shaped diagram, arrow diagram, cost & effect analysis, stratification analysis)



32. a question on section modulus .



33. question on zeroth law of themodynamics



34. question on TTT .



35. question on stress strain diagram.