HINDUSTAN MOTORS TECHNICAL APTITUDE TEST

HINDUSTAN MOTORS TECHNICAL

1. Zeroth law of thermodynamics , Joule’s law , Newton’s 2^nd law of rotary motion , Third law of thermodynamics
2. Coefficient of friction is the ratio of
3. If a body is moving in a circular path, a force comes into the path, which acts along with the radius of the circular path and is directed towards the centre of the path, what is the force?
4. Gravitational acceleration at a place is 6 times the value of gravitational acceleration at earth. The weight of the body at that place will be
5. The acceleration of a particle moving with simple harmonic motion (SHM) is maximum,
6. Low grade fuels have
7. In case of exhaust silencer of a petrol engine is partly chocked it is likely to result in
8. Temporary hardness of water is caused by
9. Velocity ratio of a belt is
10. The compression ratio of diesel engine lies in the range of
11. For any thermodynamic process the area under T-s curve represents
12. When the load on CI engine decreases its efficiency increases. This is due to
13. Torque given by engine will be maximum when the engine
14. Decrease in engine speed from no load to full load is
15. Kinematic pair are classified as
16. Isentropic process means
17. A process in which no heat is supplied or rejected is
18. Which of the following are fire tube boilers?
19. The study that deals with man and environment is
20. What is the effect of supercharging on detonation in case of petrol engine?
21. Mode of heat transfer in which there is no change in molecular motion is
22. Effect on efficiency of carnot cycle……….
23. Question on benzon boiler & composite bar
24. In cold and hot rolling which cannot be done? Hollow circular section
25. Pearlite consists of ---------------------?ferrite and cementite
26. In Pert project time=
27. Crank rotates at 4pi radians per second, crank radius 10 cm piston velocity?
28. Path traced by a point on a double slider crank.
29. For maximum economy air fuel ratio in petrol?
30. Orthogonal cutting angle between relative velocity and
31. In grey cast iron -------- welding is used? MIG
32. For chipless machining non conventional method used ------ Laser beam machinig
33. Melting point of steel --1000 to1380
34. To increase toughness in steel ----- ?Nickel and vanadium
35. Notch toughness test? IZOD
36. Number of instantaneous centers in four bars mechanism? Six
37. Circle which takes the basic rolling action as that of the gear? Pitch circle
38. Gear train in gear boxes for automobile? Compound
39. Coupling used in perfectly aligned shafts? Rigid flange coupling
40. Time period of a simple pendulum?
41. Euler’s formula for buckling?
42. Cantilever beam deflection with central loading length l?
43. Efficiency of otto cycle depends on ------
44. Ratio of work and heat transfer in polytrophic process?
45. LVDT purpose?

APTITUDE

1. Atom:electron Finger:hand
2. 27.34 x 16.943 =
3. Aman receives Rs.120 and saves 8¹/₃ of it. How many months does it take for him to save Rs.1000?
4. (0.538 x 0.538 – 0.462 x 0.462) / (1 – 0.924) =
5. How many terms in 3, 9, 27, ____ add up to 363?
6. Manish was born on 3^rd March 2000, Sanjeev 4 days before Manish. The republic day fell on Saturday. Which day was Sanjeev’s birthday?
7. In a row at a bus stop, A is 7^th from left & B is 9^th from right. They interchange positions. Now A is 11^th from left. How many are there in total?

Instructions: Mr. and Mrs. Sharma have two children Asha and Shashi. Shashi is married to Radha, daughter of Mr. Mahajan. Suresh, son of Mrs. Mahajan married Rita. Sonu and Rocky are born to Suresh and Rita. Uma and Sudha are the daughters of Shashi and Radha.

8. How is Asha related to Sudha? How is Sudha related to Suresh? What is Sonu’s surname?

Synonyms : Voracious – ravenous, Voluble – loquacious

Antonyms: Profusion – scarcity, Predilection, Capricious – constant