### Robert Bosch

ROBERT BOSCH PAPER ON 3rd MARCH 2007

There was a total of 80 questions for 80 minutes..... use only pencils...

questions are..

1.Big Indian is an----------------(Ans ordering of bytes)

2.76f16+76f16

3.Question on 2s complement

4.inheritance is (forgot choices)

5.if (test())

{

i++

}

i will be incremented only when value of test=1

6.transfering of pages from memory to peripheral devices through buffer is ( spooling)

7.A basic question on dynamic binding

8.many questions on data structures but i dint attend those

9. i[0]=1;i[1]=2

int *pi;

i=pi;

printf("%d %d",*pi+1+(*pi+1)) (repeated)

10.array containingstring is( group of characters ending with /0)

11.Sorry friends i remember ony these but all were repeated just learn basics regarding apti it wAS only 5(avg,time n work,venn dia type)......1 logical reasonong question........1 data interpretation very very easy....english was a bit tough since there is no sectional cut off....no problrm........all the best friends.....

Technical interview will be in ther field of interest only......

ROBERT BOSCH PAPER ON 17th FEBRUARY 2007

**SECTION 1(TECHNICAL)**

1. There was a figure of JK flip flop in which ~q is connected to J input and K=1. If clock signal is successively applied 6 times what is output sequence (q=?)

d) 010101

2. Frequency response of a filter is

a) Range of frequencies at which amplification of signal is employed.

b) Output voltage versus frequency (plot)

c) Filter which suppresses particular frequency

3. Gain and bandwidth of an op amp is

a) Independent of each other

b) Gain decreases as bandwidth decreases

c) Gain increases as bandwidth increases till some extent after which stability decreases

4. There was a figure of 4:1 MUX in which A and B are select lines. Inputs S0 and S1 are connected together and labeled as C where as S2 and S3 are connected together and labeled as D. Then which of the following is true?

a) Y= B+C

b) Y= A+C

c) Y= A+B

d) Y= C+D (Where Y is the output)

5. In step up transformer (or Step down… not sure) transformation ratio is 1:5. If the impedance of secondary winding is 16 ohm then what is the impedance of primary winding?

a) 80 b) 3.2

6. There was a circuit consisting of AC voltage source and one inductance. Inductance value=0.2mH (or 0.2uH or 0.2H not sure).AC voltage =150 sin (1000t).what is the current flowing in the circuit?

a) i= 7.5 sin (1000t)

b) i= -7.5 sin (1000t)

c) i= 7.5 cos (1000t)

d) i= -7.5 cos (1000t)

7. Power gain of an amplifier having i/p gain of 20W and output gain of 20mW is

a) 60 b) 25 c) 10 d) 0

8. There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition. Choices were somewhat like this: a) some value multiplied by exp (-t/T)

ans --c i= (Vs/R)exp(-t/ T)

9. 2’s complement of -17

ans -- 01111

10. Instrumentation amplifier is used for--------- --?

a). effective shielding

b). high resective filters

c). high common mode

d). all the above.

11. In “ON CHIP” decoding memory can be decoded to

a) 2^n b)2^n +1 c)2^n -1 d) some other choice

12. Half of address 0Xffffffff is

a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice

13. Which one of the following is used for high speed power application?

a) BJT b) MOSFET c) IGBT d) TRIAC

14. One question related with SCR rotation angle given ifring angle is 30degree

ans - 150degree

15. SCR is used for

a) To achieve optimum (or maximum ...not sure) dv/dt

b) For high current ratings

c) To achieve high voltage

d) Some other choice

16. State in which o/p collector current of transistor remains constant in spite of increase in base current is

a) Q point b) Saturation c) Cut off

17. A 16 bit monosample is used for digitization of voice. If 8 kHz is the sampling rate then the rate at

which bit is transferred is

a) 128 b) 48 c) d)

18. To use variable as recursive, variable should be used as

a) Static b) Global c) Global static d) Automatic

19. what is the resonant frequency of parrel RLC circuit of R= 4.7 komh L= 2 micro Henry and c=30pf.

a). 20.5 MHz

b). 2.65 KHz

c). 20.5 KHz

d). none

20.for the parallel circuit (one figure is given) Is= 10mA. R1= 2R, R2=3R, R3= 4R. R is artritary

a). 3.076mA

b). 3.76mA

21. main ()

{

int a=0x1234;

a=a>>12;

a=a<<12; a="A*A;">

24. One more question related with ADC like voltage is 8 volts. freqency 2 Mega hz. what is the converssion rate

25. Question related with serial in parallel out shift register…What is output sequence?

Ans..... 1010

26. Given one RLC circuit in which values of R, L and C were given. What is the value of frequency f?

27. if (fun ())

{

X++;

}

X gets incremented if and only if

a) fun () returns 0

b) fun () return 1

c) fun () return -1

d) return a value other than 0

28. In dynamic memory

a) Power dissipation is less than that of static memory

b) Clock is needed

c) Refreshing is required

d) All the above

29. Short, int and long integers have how many bytes?

a)2,2,4 b) Machine dependant c)2,4,8 d) Some other choice

30. A (n) is -----------filter combination of

a) Passive b) Active c) AMPLIFIER d) BOOSTER

31.Mobility of electron is

a) Increases as temperature increases

b) Decreases as temp decreases

c) Independent of conductivity

d) Some other choice

32. Structure comparison is done

a). yes

b) no

c) compiler dependent

d)

33. The system in which communication occurs in both ways but not simultaneously in both ways is

a) Half simplex b) Simplex c) Half duplex d) duplex

34. main ()

{

int a=5, b=6;

int i=0;

i=a>b? a:b;

printf (“%d”, i);

}

a) 0 b) 1 c) 6 d)

35. int fun (char c)

{

int i;

static int y ;}

a) c, i are stored in stack and y stored in data segment

b)c stored in stack and i,y are stored in data segment

c) c is stored in text segment, y in data and i in stack

36. main ()

{

int *p;

short int i;

p= (char *) malloc (i*10); (code was showing error here)

p+=10;

printf (“%d”, p);

}

Value of p?

37. main ()

{

int *p,i[2]={1,2, 3};

p=i;

printf (“%d %d %d”, i [0],*p,*p+1) ;

}

38. F = A'B' + C' + D' + E' then

A) F = A+B+C+D+E

B) F= (A+B)CDE

C) F = AB(C+D+E)

D) F= AB+C+D+E

39. how would you insert pre-written code into a current program?

a) #read

b) #get

c) #include

d) #pre

40.structure may contain

a) any other structure

b) any other structure expect themselves

c) any other structure except themselves and pointed to themselves

d) none of the above

41. three boys x,y,z and three girls x,y,z... sit around a round table . but x does not want any girl sitting to him and girl y does not want any boy sitting next. how many ways can they be seated.

a) 2

b) 4

c) 6

d) 8

42. k is brother of n and x. y is the mother of n and z is is the father of k . which of the following statement is not definitely true.

a) k is the son of z.

b) y is the wife of z.

c) k is the son of y.

d) n is the brother of x.

43. find the lateral surface of a prism with a triangular base if the perimeter of the base is 34 cm. and the height is 45 cm.

a) 765 square cm.

b) 3060 square cm.

c) 1530 square cm.

d) none

44.Given a<>

45. A and B starts moving from points X and Y simultaneously at a speed of 5kmph and 7kmph to a destination point which is of 27 km from points X and Y. B reaches Y earlier than A and immediately turns back and met Z. Find the distance XZ.

ans.... 22.5 km

46. Ann is shorter than Jill and Jill is taller than Tom. Which of the following inferences are true?

a) Ann is taller than Tom b) c) d) Data insufficient

47. A and B starts from same point at opposite direction. They will move 6km and take 8km left. How Far is A and B from each other?

ans ...20m

48.6440 soldiers are to be arranged in the shape of square. If 40 soldiers were kept out then the number of soldiers making each straight line is?

Ans --80

49. Sum of squares of two numbers is 404 and sum of two numbers is 22.Then product of two Numbers?

a) 20 b) 40 c) d) (Answer is 40. Two numbers are 20 and 2)

50. In an examination 4 marks are assigned for correct answer and 1 mark is deducted for wrong answer. However one student attempted all 60 questions and scored 130.Number of questions he attempted correct is?

a) 35 b) 38 c) 42 d) 35

51. Each ruby is of 0.3 kg and diamond is of 0.4 kg.Ruby costs 400 crores and diamond costs 500 crores. Ruby and diamonds have to be put into a bag. Bag cannot contain more than 12 kg.Which of the following gives maximum profit (or in terms of wealth) (In crores)

ans ...only ruby 40p

52. the cpu stack is placed in ....

a). cpu resister

b). RAM

c). ROM

d). hard disk

53). (10 | 7) would produce

a). 17

b). 3

c). 11

d). 15**ENGLISH section**fill in the blanks...... .. the answers is

61) a). impounded b). protected c). hounded d). relegated.

62).a). oblinion b). authertiory c). dejection d). deso.......

63).a). subdued b). bountiful c). tentative d). ardem.

64).a). b). esulcant c). emblerratie d). innate

65).manor -- d). n. the landed estate of a land or nobleman.

66).neologism -- c). n. giving a new meaning to an add word.

67).batten -- b). n. a narrow strip of wood.

68).tepid -- d). adj. lacking interest enhusi...., luewarm

69. discerning -- d). adj. distinguishin one thing from another, having good judgment

ROBERT BOSCH PAPER ON 14th NOVEMBER 2006

** **TOTAL DURATION OF TEST IS 90 min & “NEGATIVE MARKING IS THERE.”

SECTION 1.** **

Total 50 questions correct Answer +2 marks , wrong answer -1 mark.

Out of 50 ques…..40 from engineering and 10 from aptitude.

SECTION 2.

Total 25 questions on English.

Paper is as follows….

SECTION 1:

1.Two force acting along the same line but in the opposite directions. they r called a) Concurrent b) coplanar c) collinear d) non concurrent (c)

2. Two basic systems of forces (c)

a) Coplanar, concurrent b)non concurrent, concurrent

c) Coplanar, non coplanar d)concurrent , non coplanar

3. Formula for power in HP

4. Forces lying in the same plane but never met (b)

a) concurrent b)parallel c) d)

5. Ger ratio for helical gears one of 30 tooth and the other 60 tooth

a)800:1 b)2:1

6. Four rectangle strips of size 10 X 1 inch r placed on a table as shown in

7. If u traveled 45 min at 4 miles per hr and 30 min at 3 miles per hr. what is the

distance covered by u in 1 hr and 15 min. (b)

a) 8 miles b)6 miles c)7miles d)10

8. A ball of weight 10N is dropped freely from rest at a height of 4 mts.what is its

total mechanical energy after it has traveled 1 meter.

9. Two bodies of same mass r traveling at a velocity of 2 m/sec in opposite direction.

After collision one travelled with 1.8 m/sec what abt the other..

a) equal to 1.8 m/sec b)more than 1.8

c) Less then 1.8 d) can not say

10. If X-component of a force is –Ve and Y-component is +Ve, in which plane the

Resultant would be (a) check it

a) First quadrant b) second c) third d) fourth

11. A body is said 2 b in equilibrium (c)

a) if it is in rest b)if it is I uniform velocity

c) if the sum of the forces acting on it is zero d)none

12. X^{15}-X^{13}+^{ }X^{11}-X^{9}+X^{7}-X^{5}+X^{3}-X=7 than value of X^{16 ?}

13. a chain of leanth 1 mt and mass 1 kg is placed on a table.What leanth of the chain

must be hanged freely from the table so that is will drag the remaining chein

freely (d)

a).55 b).66 c) 0.5 d).75

14. Main purpose of governer (d)

a) to live happy life b) to increase engine speed

c) to decrease engine speed d)to run engine smoothly

15.A steel beam of mass m and length l is placed on a surface.a couple u is applied at

the ends to rotate the beam at 90 ^{0} . what is the work done.

16.A & B r two weight lifters .A can lift 100 pounds 10 times a minute, where as b

lifts 100 pounds 10 times a sec.who is doing more power and work. (c)

a)A&B b)A omly c) B only d) none.

17.A ship is 77 Km away from the shore.It had a leak due to ehich water is flowing

into the ship @ 1 ton /min .A pump is used to pump the water out of the ship @

30 ton/ hr The ship sinks if the water Qty reaches 210 ton.what should b the

speed of the ship to reach the shore b4 it sinks. (11)

a)7 mph b)11mph c)15 d)20

18. Very simple ..que..find the hypotenuse …

1) Sides 8, 11, find hyp 2) a similar one..to find side..

19. Which is the largest side in a right angled triangle

a) hypotenuse b)edgescent side c)opposite side

20. The angle of depression from the top a building to another building is 12^{0} .the

distance b/n the two is 50 mts.What is the difference in the height of buildings. (a)

a) 10.6 b)20.3 c)10.4 d)48.9

21. Simplyfy [ ^{3}v^{--- }27 - v^{—}(27/4)]^{2}

22. Belt drives r mainly used for (d)

a)to reverse the direction of power in belts. b)to transmit it power.

c)to …..d) all

23. BS thread profile has

a)14^{1/2 0} b)45^{0 } c)25^{0} d) 90 ^{0}

24. The main purpose of bearings (b)

a)to reduse noise. b)to reduce friction c) d)

25.When compared to spur gears bevel gears r more .. (a)

a) noisy b)smooth

26. The angle b/n bore axis of gear and the tangent to the teeth profile is called (b)

a)P.A b) helix c)

27. The circle touching the outer edge of the teeth is called (c)

a) Base circle..b) pitch crcl c) addendum crcl d)….

28. The area of the piston A is 10 cm^{2} and that of B is 4 cm ^{2} .If 10n load is applied

on the piston A what is the force on the piston B. (c)

a)100N b)40N c)10N d)none

29. The force exerted by a spring depends on (d)

a)Material of the spring b)Design of the spring c)Length of the spring d)all

30. If a body is isolate from it’s mating parts and all forces acting on it r shown then it

is called. (c)

a)BM diagram b) SF diagram c)free body diagram d)none

31. A coin and a ring of same mass and diameter r allowed to roll smoothly from the

top of a inclined plane. which one reaches the bottom first.

a)coin b) ring c)both reaches same time d) none

32. A ball is thrown horizontally .After hitting the ground it again raises with some

velocity.this is bcoz.. (b)

a)ball is stil having velocity b)it gains momentum from the ground. c) d)

33. a problem on balancing masses..

34. a mass is rotating..with rad /sec..simple problem …on basics..

35 given 0

** **a)c+d/ a+b b)c+a/b+d c)a+b/ c+d d)….

to } antother passage with blanks..

1. don’t look a gifted horse..

a)at b)in life…. c) in dreams d)

a) make more work easy b)more light work c) d)

3. people living in glass houses……

a)may not throw stones b)didn’t throw stones c) cannot throw stones d)should not

a)exaggerated b)exagerate c) exagratred d) none.

a)….. b)bad c)not good d) none

a) noun :a long wood of metal strip

c)………d)…….