Placement Papers: Robert Bosch Paper on 24th Jun 2007 at Bangalore
Examrace Placement Series prepares you for the toughest placement exams to top companies.
Friend prepare well all the topics which the is covered since the tech paper is having all the topics
Which are related to Our engineering sudcts like
BASIC ELECTRONICS.
NT, CONTROL SYSTEMS, ELETRICAL MACHINES.
DIGITAL ELECTRONICS.
APTITUDE, & GEN PHYSICS
& GEN ENGLISH, C QUES PLAY KEY ROLE
C & aptitude is very easy
For C go through Seventh Kanithkar
Questions; 60
Duration: 1 h
This paper is for EEE, ECE, EIE &IT

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 =?)

The relationship b/w Gain & Bandwidth?

Independent of each other

Gain decreases as bandwidth decreases

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


In ON CHIP decoding memory can be decoded to

2^{n}

2^{n} + 1

2^{n} − 1

some other choice Ans: a


Half of address 0Xffffffff is

77777777

80000000

7FFFFFFF

some other choice


For a 4 bit succe D/A with 16v o/p the resolution is

10v

1v

1.6v

16v Ans: b


A 20kva transformer at full load conditions have the coreless & cu loss are 250w&300w, To get max efficiency what will be the total loss in tr in w

550

500

600

Data insufficient Ans: b


There was a circuit consisting of AC voltage source and one inductance. Inductance value = 0.2mH AC voltage = 150 sin (1000t). What is the current flowing in the circuit?

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

60

25

10

0


There was a RC circuit given with AC voltage source. Expression for capacitance was asked for charging condition.

SCR s are connected in series to get

high current rating

voltage regulation

high v rating

some other
Ans: c


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

BJT

MOSFET

IGBT

TRIAC


One question related with SCR timing dia

SCR is used for

To achieve optimum (or maximum … Not sure) dv/dt

For high current ratings

To achieve high voltage

Some other choice


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

Q point

Saturation

Cut off


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

20.5 MHz

2.65 KHz

20.5 KHz

none


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

3.076mA

3.76mA


Two ques on control sys like the sys will be stable when the roots are

The ques on Niquest plot

0ne ques on root locus

One more question related with ADC like voltage is 8 volts. Freqency 2 Mega hz. What is the converssion rate

Question related with serial in parallel out shift register What is output sequence? Ans____ 1010

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

#define A 10 + 10 main () { int a; a = A * A; printf (%d, a); }

100

200

120

400
ans: c


main () { int n = 0; while (n>32767) pf (%d, n); n + + } ans; indefinite loop here ihe loop will continue again & again i.e.after 32767 the go to32768

if (fun () ) { X + +; } X gets incremented if and only if

fun () returns 0

fun () return 1

fun () return1

return a value other than 0 ans; d


In dynamic memory

Power dissipation is less than that of static memory

Clock is needed

Refreshing is required

All the above


Short, int and long integers have how many bytes?

2, 2, 4

Machine dependant

2, 4, 8

Some other choice ans: b


A (n) is____filter combination of

Passive

Active

AMPLIFIER

BOOSTER


according to ohms law the current density is proportional to

Two more ques on gravity i.e.body is projected then find the time of fall and some physics ques

Structure comparison is done

yes

no

compiler dependent


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

Half simplex

Simplex

Half duplex

duplex


main () { int a = 5, b = 6; int i = 0; i = a>b? a: b; printf (%d, i); }

0

1

6

5


int fun (char c) { int i; static int y; }

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

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

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


how would you insert prewritten code into a current program?

#read

#get

#include

#pre ans: c


structure may contain

any other structure

any other structure expect themselves

any other structure except themselves and pointed to themselves

none of the above


One ques from pointer declaration

If a>4, b ← 1 then which of the following is true

2a + b<0

4a<3b

a>4b

some oth


In a class out of 150 studs participated in various games foot ball, basket ball, cricket are 120, 130, 135 respecly and 5 stud are not playing any one of then then find the least no of studs which are are playing all the games

110

100

96 Ans a


20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work together

5c/6

c/6

6c/5


find the lateral surface of a cone with diameter of base 12feet. And the latent height is 24feet

1320square f

260 square f

96 square f

none ans: c


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

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

(10  7) would produce

17

3

11

15
