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

HINDUSTAN MOTORS INTERVIEW QUESTIONS AND ANSWERS CAMPUS

HINDUSTAN MOTORS – REMOTE SERVICES DIVISION

PROCEDURE:

WRITTEN TEST(ELIMINATION)

GROUP DISCUSSION (ELIMINATION)

INTERVIEW 1 (ELIMINATION)

INTERVIEW 2 (ELIMINATION)

SECTION I : APTITUDE 20 QUESTIONS 30 MINS

1.From the time 6.15pm to the time 7.45pm of the same day the minute hand

of a standard clock describes an arc of

a.30deg b.90deg c.180deg d.540deg e. 910deg

2.which of the following fractions is the least?

a.7/8 b.7/12 c.8/9 d.1/2 e.6/17

3.The length of each side of a square is 3x/4+1. what is the perimeter of the

square

a.x+1 b.3x+1 c.3x+4 d.9/16x^2 e.3/2x+1

4.A truck departed from Newton at 11.53 am and arrived in far city, 240 miles

away . what was the approximate avg speed of the truck on this trip?

a.5640/5mph b.16/1200mph c.50mph d.240/288mph e.1494/240mph

5.the diagonal of the rectangular closet is 7.5feet .the shorter side of the closet

is 4.5feet . what is the area of the closet in sqft?

a.37 b.27 c.54/4 d.21/4 e.5

6.if the ratio of women to men in a meeting is 4 to 1 . what % of the persons in

the meeting are men?

a.20% b. 25% c.33.33% d.80% e.100%

7.which of the full fractions expressed in the form p/q is most nearly approximated

by the decimal pq where p is the tength digit and q is the 100^TH digit?

a.1/8 b.2/9 c.3/4 d.4/5 e.8/9

8.If b books can be purchased for the d dollars than hominy books can purchased for m dollars

a. bm/d b. bdm c. d/bm d. b+m/d e. b-m/d

9. if a square mnop has a area of o16 what will be the perimeter

a. 4 b. 8 c. 16 d. 32 e.64

10.john has more money than mary but less than bill if the amount held by john mary and bill are x y z respectively which of following is true

a. x<x<y b.X<z<y c.Y<x<z d. Y<z<x e. X<y<z

11.if x =3 ,(x-y)^2=4,y=?

a.-5 b. -1 c.0 d.5 e.9

12.10% of 360 is how much more than 5%of 360

a.5 b. 9 c. 18 d.36 e.48

13. if x^2+3x+10 =1+x^2 than what will be the x^2

a.0 b.1 c.4 d.7 e.9

14 which of the following must be true

a. any of the two line are parallel to the third line are also parallel to each other

b. any of the two plane are parallel to the third plane are also parallel to each other.

c. any of two line are parallel to the same plane are also parallel to each other

a. a only b. bonly c. a&b only d. b&c only e a&B&c

15. an item cost 90% of its original price if 90 cent is added to discount price the cost of the item will be equal to original price . What will be original price.

a. $.09 b.$0.9 c. $ 9 d .$9.9 e.$9.99

16. the average fo four consecutive odd positive integers is always

1. odd b.divisible by four c. prime number d.multiple of three e.even

17 a snap shot measures 2.5 inches by 17/8 inches it is to be enlarged so that longer dimension will be 4 inches the length of the enlarged shorter dimension will be

a. 2.5 inches b. 3 inches c. 3 3/8 inches d. 2 5/8 e.. None of these

18.from a piece of the tin in the shape of the square 6 inches on a side the largest possible circle is cut of the following ration of the area of the circle. To the area of the original square is closest in value to

a. ¾ b.2/3 c.3/5 d. ½ e. ½

19. in the Peterson company the ratio of upper management to middle management personal is 4/3 if 75 % of upper management has experienced on the production line. What is greatest proportion of the total of upper and middle management personal who could have experienced on the production line

a,. 5/7 b. ¾ c. 6/7 d. 7/6 e. 7/4

20. the function #is define for any positive whole number n as being the product #n =(n-1)(n-2)(n-3) what is the some of #1 ,#2,#3 and # 4

a. -10 b.6 c.12 d.60 e.256

SECTION II: TECHNICAL 30 QUESTIONS 30 MINS

1.the velocity of the sound depends on

a. pitch b. quality and pitch c. loudness and quality and pitch d. none of the above

2.theoretical correct air fuel ratio for petrol

a.6:1 b.9:1 c. 10:1 d . 15:1

3.the knock in diesel engine occurs

a. instantaneous and rapid traverse of first part of the charge

b. Reduction of the delay period

c. instantaneous and auto ignition of the end part of the charge

d. All the above

4. ignion quality of the diesel fuel oil is measure by index no is called

a.octane b. cetene c. calorific value d. carbon no

5.carnot cycle maximum efficiency for

a.reversible engine b. irreversible c. petrol d. diesel

6.compressed air coming out of the punctured foot ball

a.attains atem temp b.remains at same temp c.becomes cooler d.becomes hotter

7.the product of EI is

a.flexural rigidity b.section modulus c.polar modulus d.modulus of rupture

8. which of the following is the thin cylinder

a.boilers b.steam pipes c.water pipes d.all the above

9.hoop stress induced in the thin cylinder by winding it with wire under tension will be

a.0 b.tensile c.compressive d.shear

10.as compared to rivet joint to welded joint has ------ strength

a.higher b.lesser c.either above d.none of the above

11.------------ gear train is one in which each shaft call as one wheel only

a.simple b.compound c.epicyclic d.none

12.in the clock ----------gear train is used to commonly minute to hour

a.simple b.compound c.epicyclic d.none

13.if the earth shrinks by half the radius duration of one day

a.4 hrs b.6 hrs c.12 hrs d.24 hrs

14.a tool used in cutting an external thread is called

a.twist drill b.tap c.die d.end mill

15. in ----- moulding green sand is is generally used

a. floor b. late c. bench d. it

16.with increase in cutting speed power requirement is

a.decrease linearly b.remains constant c.increase linearly d.Unpredictable.

17. what will be the locus of a point on a thread unwound from a cylinder.

a. involute b. helix c. straight line d. circle

18. the ratio of no teeth to pitch circle diameter

a. pitch b. circular pitch c. diametrical pitch d. module

19. difference between dedendum and addendum is

a. backless b.clearence c. flank d. tooth space

20. compare to air craft air velocity in a rocket is

a. 0 b. less c.more d. same

21.-------------is suitable for space travel

a. turbo jet b. turbo prop c. rocket d. all the above

22. of A2 drawing sheet

a. 400 *574 b. 410*584 c. 420*594 d. 430*604

23 . H7-h6 is

a. clearance fir b. transition fit c. interference fit d. sliding fit

24.thread angle of unified thread is

a.30 b.40 c.50 d.60

25.the function of ---------------- is to transform input motion of rotation in to out put motion of translation

a.screw b.bolt c.nut d. key

26.the most important element which control the physical property of steel is

a. silicon b. manganese c. tungsten d. carbon

27.aus tempering is the heat treatment process used to obtain greater

a. hardness b. toughness c. softness d. brittle ness