Ashok Leyland Interview questions and answers Technical

Ashok Leyland Interview questions and answers

Part 1: Engineering Aptitude (50 Questions – 25 Minutes)
   Physics, Maths, Mechanical Engineering, Electrical Basics
Part 2: Mechanical Comprehension (50 Questions – 30 Minutes)
   Basic Production Engineering, Mechanical Figurative Questions
Part 3: General Aptitude (60 Questions, 30 Minutes)
 Analogy, Analytical Reasoning, Verbal, Quantitative Aptitude, Figurative Puzzles, Alphabetical Puzzles

Part-1: BASED ON 11& 12 FUNDA.

Electrical circuit
Effect of addition of salt on water (related to solutions)
Over turning of vehicle in circular track (conditions of skidding, etc)
Effect of pressure on boiling
Buoyancy effect
Effect of rubbing glass with silk & rubber with_________ (nature of charge produced)
Forces on charges
Time period of pendulum
Body temperature in f, temperature common on both c &f scale
Graphite crystal structure

Part-2: BASED ON ENGINEERING FUNDA

  1. If v=220V, I=25A, power factor=0.8, frequency=400Hz. If the motor runs for 3 hours, what is the power consumed?
  2. Symbol of capacitor?
  3. Boiling point of mercury?
  4. When salt is added to water, what happens to its freezing point?
  5. What motor do they use in railway engines for traction?
    1. DC Shunt motor b. DC Series motor
  6. What motor is used for running lathe spindle?
  7. Type of magnetic material used for small motors.
    1. Diamagnetic b. paramagnetic c. ferromagnetic
  8. What types of images do concave and convex lenses produce?
  9. What is the speed of 3-phase induction motor?
  10. Which gear type does not have axial thrust? Ans: Herringbone
  11. Determinant value? Ans: 0
  12. Which of the following is not a thermal radiation law? Ans: Lamberts law
  13. In which units sound is measured? Ans:Decibels
  14. Velocity of sound at sea level?
  15. Which of the following is formed due to the attraction between moon and earth? Ans:Tides
  16. Instrument used for measurement of high temperatures? Ans:Pyrometer
  17. Thread used in lathe leadscrew? Ans:ACME Thread
  18. If water is air, air is dust, dust is light, light is sound, and sound is water, where does fish live?
  19. If the barometer shows 300mm Hg, what is the absolute pressure?
  20. What is the 4-1 process in otto cycle?
  21. Power stroke in diesel cycle is what process? Ans:Adiabatic process
  22. Which of the following does not form a real image?
    1. Concave b. Convex c. telescope d. microscope
  23. At what temperature °C and K are the same?
  24. What is the material used in permanent magnet?
  25. An object weighs 3kg in air, 2.5kg in water, what is its density?
  26. Which material has the highest Cp value?
    1. air b. water c. copper
  27. Which of the following has lowest thermal conductivity?
    1. steel b. SS c. Bronze d. copper
  28. The crystalline structure of graphite is
    1. a. Simple cubic b. FCC c. BCC d. HCP
  29. Which process cannot be used to produce external threads?
    1. forging b. Rolling c. milling d. turning
  30. The axial stress on a member which is subjected to a sudden load when compared to load applied gradually is
    1. a. same b. double c. half d. quadraple
  31. Silencer reduces noise. It also
    1. gives balance to engine b. increases fuel consumption c. Decreases fuel consumption d. reduces vibrations
  32. Unit of kinematic viscosity.
  33. Unit of surface tension.
  34. Meaning of overdrive
  35. Wankel engine
  36. Meaning general drill bit angle.
  37. Reason of using regenerator & condenser.
  38. Cycle used in gas cycles, dual cycle& diesel cycle diagram.
  39. Normal value of voltage in spark plug & distributor function.
  40. In which case turning will be easy (front wheel driven back wheel steered/__/___/___).
  41. Viscous fluid passing through duct of varying cross section & pressure remains unchanged-reason?
  42. Differential function
  43. Pitch circle diameter &Pressure angle
  44. Gear hobbler
  45. Gear system in which axial thrust is absent.
  46. Force applied on pin joint of truss (connecting 3 bars, middle straight side slant at equal angle)-tension/compression in middle bar?
  47. Element added to steel for corrosion resistance.(Ans: Cr)
  48. Which has lowest specific heat- water, steam, copper?
  49. Which has lowest thermal conductivity-stainless steel, steel, and bronze?
  50. Diamond pin function.
  51. Relation between stress-gradually applied & suddenly applied.
  52. Increasing of water density in range?(0-4 degree)
  53. 1 litre, 4 stroke engine, 1600 rpm, mean thermal effective pressure=5 bar, power of engine?
  54. Finding rpm of single phase alternator from list of rpm's.
  55. Efficiency of carnot engine.
  56. Temperature measurement based on which law.
  57. Size of lathe(parameters)
  58. Thread can be formed by all process except
    1. Forging b. rolling c. Milling d. Turning
  59. Thread used in screw jack, lead screw?
  60. Which is not related to thermal radiation
    1. planck law b. steffan boltzmann law dc. fourier law
  61. Radiator type used in bus.
  62. Definitions of normalizing, tempering, quenching, etc.
  63. Normal hardness value of cast iron used in lathe bed.(in BHN)
  64. Definitions-straddle milling, slab milling, gang milling etc.
  65. Questions based on getting final 3-D shape, from sheet showing details where it can be folded.
  66. Getting front view, top view, side view of given isometric view.
  67. Material is not removed in which process
    1. punching b. coining c. tapping d. embossing

Part 3: General aptitude (60 Questions: 30 Minutes)

Question Types: Figurative questions (from Edgar Thorpe), Analogy, ratios and proportions, time and work, time and distance, Implicit statement reasoning
  1. If the average of the 10 of the 11 player is 30.if the 11th player score is added the average decreases by 2.what is the score of the 11th player.
  2. Exonerate –meaning
  3. Analogy
Peaceful: resistance then

  1. litigation: lawlessness
  2. coherent: inconsistency
  3. dumb: follow
  4. diligent: reliability
  5. rough: forceful
Ans :b

  1. Cut is to feline, vulpane is to---------------.
  2. Three problems using codes
    1. if AGPSV IS BHQTW, then DKNUY
    2. CEGIK then choose the same pattern ans: moqsu
      1. Diagram of one block was given. It contains three or four sections. we were asked to find the
          1. Left side view. b. Bottom side view c. Back side view.
      2. A contestant won an election by 15% more votes than the combined votes by his two rivals. If he had got 4500 votes more then he would have attracted 4/5th of total votes. Find no of votes
      3. Men and women went for a party; which ratio is impossible if 252 people are present:1:7
      4. Find the odd one out
a. truck b. auto c. car. d .jeep
a. cloud b. lake c. snow d. stream e. sky
a. Flavor b. Fragrance c. Perfume
      1. Which no is wrong from the following sequence
1, 5, 5, 25,625,900,975625
316, 156, 76, 32, 16, 6
11. Max value of sin2x+cos2x
12. ∫∫xy dx dy ans: 400
13. A statement has been given, which is followed by 2 conclusions, marked I&II, mark the answers as follows.
  1. if only the I conclusion is true
  2. if only the II conclusion is true
  3. if both r required
  4. none of them is true
e.g. I All scientists are hard working, II All poor men are not scientists
14. Complete the series
1. 15 15 _ 16 24 24 3 3
  1. _n_mn_mm_nmnm_mm_
3. 316 156 76 31 16 6 1
4. Given numbers in squares and asked to find the missing numbers
5. 16, 16, 24, _____, 36, 36, 54
15. 1 foot is 31 paise how much would have it cost for 20 yards
16. A man has 8.5 cm string pieces. However string in available only in lengths of meters. What is the min length he should buy so that he loses less?
17. 3 numbers are in the ratio 2:4: 5 the 2nd number is so greater than the diff between 1st and 3rd find the second number. ans 40
18. If f=2sinex+y*2, ∂f/∂x=?
19. 2x+3y=5, 6x+9y=k. These equations are not possible when,
a. k=15 b. k not equal to 15 c. k=0 d. k=1
20. If a plane cuts a circular cone along the axis of the cone then the curve of intersection is
a. Circle b. ellipse c. parabola d. hyperbola
21. x*2-2x=6 has change of sign between?
22. A plot has its breadth thrice that of its length. If a square field has an area of 675 m*2. If the plot has 1/4th area of the field, what is its length?
23. What is the partial differentiation of 2sinex+y*3?
24. 42:56:: 110:?
25. Which of the follwing no. can’t be divided in the ratio of 1:7? Ans: 258
26. Is ß positive?
Statements given: 7ß=56, -ß=negative
27. If z and zbar are two complex nos. like 3+2i and 2-3i, what is the value of z*zbar?

Interview questions: On an average interview was for 20-25 minutes.
TECHINICAL:

TECHINICAL:

1. Difference between forming and casting?
2. Difference between counter boring and counter sinking?
3. Difference between drilling and reaming?
4. Difference between turret lathe and capstan lathe?
5. How will you manufacture a cricket ball (cork)?
6. How will you manufacture thermocol glass (used to drink water)?
7. Nomenclature of single point cutting tool
8. Tell some metal forming process used recently.
9. Different types of molding process
10. How will you manufacture a plastic glass?
11. When u open a cricket ball, how will its appearance be?
12. Dual cycle and diesel cycle
13. Camshaft/crankshaft ratio
14. External thread cannot be machined by forging
15. Operations of condenser
16. Gas turbine works on
  1. What are the melt testing procedures
  2. Casting defects
  3. Customers of NFD.
  4. How to cast statues
  5. Types of casting techniques
  6. Draw the various cycles used in IC engines
  7. What are the four strokes in engines
  8. How to manufacture crank shaft
  9. Difference between forged and cast components
  10. What is SG
  11. Then explanation about the project.

PERSONAL:  

General self-introduction for 1 minute. General enquiry about family.

1. Selection procedure for B.E.
2. Cut off marks.
3. Rank (overall rank in the counseling).
4. Entrance marks
5. Do you know Hindi?
6. Do you know who sharukhan is?
7. Who won Wimbledon series men’s and men’s?
8. Which Indian woman won grand slam recently?
9. Do you hear Hindi music?
10. What is your rank in your class?
11. Why do you want to join Leyland?



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