# Ashok Leyland Ltd Written Test Paper 2011

Posted on :16-02-2016
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:

Genera l Aptitude (60 Questions, 30 Minutes)

Analogy Analytical Reasoning Verbal Quantitative Aptitude Figurative Puzzles Alphabetical Puzzles

Part-1:

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 FUNDAMENTALS

Q1. If v=220V, I=25A, power factor=0.8, frequency=400Hz. If the motor runs for 3 hours, what is the power consumed?

Q2. Symbol of capacitor?

Q3. Boiling point of mercury?

Q4. When salt is added to water, what happens to its freezing point?

Q5. What motor do they use in railway engines for traction?

a. DC Shunt motor
b. DC Series motor

Q6. What motor is used for running lathe spindle?

Q7. Type of magnetic material used for small motors.

a. Diamagnetic
b. paramagnetic
c . ferromagnetic

Q8. What types of images do concave and convex lenses produce?

Q9. What is the speed of 3-phase induction motor?

Q10. Which gear type does not have axial thrust?

ANS: Herringbone

Q11. Determinant value?

ANS: 0

Q12. Which of the following is not a thermal radiation law?

ANS: Lamberts law

Q13. In which units sound is measured?

Ans: Decibels

Q14. Velocity of sound at sea level?

Q15. Which of the following is formed due to the attraction between moon and earth?

ANS: Tides

Q16. Instrument used for measurement of high temperatures?

ANS: Pyrometer

Q18. If water is air, air is dust, dust is light, light is sound, and sound is water, where does fish live?

Q19. If the barometer shows 300 mm Hg, what is the absolute pressure?

Q20. What is the 4-1 process in otto cycle?

Q21. Power stroke in diesel cycle is what process?

Q22. Which of the following does not form a real image?

a. Concave
b. Convex
c . telescope
d. microscope

Q23. At what temperature Â°C and K are the same?

Q24. What is the material used in permanent magnet?

Q25. An object weighs 3kg in air, 2.5kg in water, what is its density?

Q26. Which material has the highest C p value?

a. air
b. water
c. copper

Q27. Which of the following has lowest thermal conductivity?

a. steel
b. SS
c . Bronze
d. copper

Q28. The crystalline structure of graphite is .

a. Simple cubic
b. FCC
c . BCC
d. HCP

Q29. Which process cannot be used to produce external threads?

a. forging
b. Rolling
c . milling
d. turning

Q30. The axial stress on a member which is subjected to a sudden load when compared to load applied gradually is .

a. same
b. double
c . half

Q31. Silencer reduces noise. It also

a. gives balance to engine
b. increases fuel consumption
c. Decreases fuel consumption
d. reduces vibrations

Q32. Unit of kinematic viscosity.

Q33. Unit of surface tension.

Q34. Meaning of overdrive

Q35. Wankel engine

Q36. Meaning general drill bit angle.

Q37. Reason of using regenerator & condenser.

Q38. Cycle used in gas cycles, dual cycle& diesel cycle diagram.

Q39. Normal value of voltage in spark plug & distributor function.

Q40. In which case turning will be easy (front wheel driven back wheel steered/__/___/___) .

Q41. Viscous fluid passing through duct of varying cross section & pressure remains unchangedreason?

Q42. Differential function

Q43. Pitch circle diameter &Pressure angle

Q44. 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?

Q47. Element added to steel for corrosion resistance.

ANS: Cr

Q48. Which has lowest specific heat- water, steam, copper?

Q49. Which has lowest thermal conductivity-stainless steel, steel, and bronze?

Q50. Diamond pin function.

Q51. Relation between stress-gradually applied & suddenly applied.

Q52. Increasing of water density in range?(0-4 degree)

Q53. 1 litre, 4 stroke engine, 1600 rpm, mean thermal effective pressure=5 bar, power of engine?

Q54. Finding rpm of single phase alternator from list of rpms.

Q55. Efficiency of cannot engine.

Q56. Temperature measurement based on which law.

Q57. Size of lathe(parameters)

Q58. Thread can be formed by all process except

a. Forging
b. rolling
c . Milling
d. Turning

Q60. Which is not related to thermal radiation

a. planck law
b. steffan boltzmann law
c . fourier law

Q61. Radiator type used in bus.

Q62. Definitions of normalizing, tempering, quenching, etc .

Q63. Normal hardness value of cast iron used in lathe bed.(in BHN)

Q64. Definitions-straddle milling, slab milling, gang milling etc .

Q65. Questions based on getting final 3- D shape, from sheet showing details where it can be folded.

Q66. Getting front view, top view, side view of given isometric view.

Q67. Material is not removed in which process

a. punching
b. coining
c . tapping
d. embossing

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Siemens
Bajaj
Maruti
Philips
TVS Motor

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