Careers and Opportunities

HUAWEI:: PLACEMENT PAPER
----------------------------------------------------

Total Question: 140 Time: 120 min (2 hrs)
Section I :[General Aptitude, Verbal & Non-Verbal)
Section II :[Technical ] (DS, Communication, Information Theory, etc)
Section III :[C program] ( I/O, pointers)

Section I :
------------------------------
1. Following some pattern, understand the table and find the answer?
JANUARY- 20
APRIL- 10
MAY- 5
NOVEMBER- 15
JULY- ?

2. Find the missing number: 1 10 3 9 5 8 7 7 9 6 ? ?

3. If it was two hours later, it would be half an hour as long until midnight as it will be if it were an hour later. What is the time now?

4. In a city, 80% speaks English, 70% speaks Hindi and 10% do not speak both. It was found that 162 people talk both. How many are there in the city?

5. Find the missing number: 0 6 24 X 120

6. Which is not a leap year,: 1900 2000 1952 1980
7. Find the missing number: J, ?, M, ?, M, J, ?, A, S, O, N, ?

8. There are 27 pearls in a bag. One among them is less in weight. You have been given 2 pan weighing machine. In how many trials, you will be able to find the defected one?

9. Direct distance between A & B is 200. Direct distance between B & C is 200. Direct distance between C & A?

10. There are 30 socksin a bag. 30% is in blue color. What is the probability to take two blue socks?

11. In a ground, there are two poles in 7 ft & 12 ft respectively. They are 12 ft apart from each other. What is the distance between the edges of two poles?

12. You need to print a document of the area 216 sq cm. Condition is 3 cm margin is to be left at both top & bottom and 2 cm at the sides. What will be the optimized size of your paper?

13. In a party, every man has his dog with him. There are 22 heads and 72 legs all together. How many men & dogs are there?

14. Raju writes a number between 1 to 1000. Raja wants to know the number, knowing Raju can answer only yes & no and always speaks truth. What will be the minimum number of questions Raja finds the answer
a. 999 b.10 c.500 d.none

15. How many ways a section of four letter word can be made in complete alphabet?

16. Find the missing number: 0, 0.577, 1, 1.732, ?
a. 0.656 b.2 c.2.743 d.none

17. 17171717171.....(101 digits) is divided by 625. What is the remainder?

18. June 30, 2004 is Wednesday. What is June 30, 1974?

19. Two different types of tea are mixed, at 6 Kg of type 1 and 4 Kg of type 2. One Kg of type 1 is Rs. 6 and that of type 2 is Rs. 7. The seller gets 10% profit, by this action. Find at what price, he ,d have sold the mixture/Kg?

20. There are 10 people in a party. "How many other people, you met?" is the question asked to everyone. First person says 1, Second says 2, Third says 3..........ninth says 9. Now what tenth person would have answered?

21. Find the missing number: 24 : 15 :: 63 : ?

22. A metal ball weighing 10 gm is dropped from 20 meter height tall point. What will be the time to reach ground?

23. All the students of class are told to sit in circle shape. Here the boy at the 6 th position is exactly opposite to 16 th boy. What is the total number of boys in the class?

32. The average mark of 10 students is 80%. Later it was found that for one student, instead of 60%, the recorded 90%, by mistake. Now the corrected new percentage?



SECTION II

C PROGRAMMING
---------------------------------------
[What will be the output of the following code?]
-----------------------------------------------------------------
1. void check()
{
int a=2;
if(a=3!=3)
printf(" 3 ");
else
printf(" 2 ");
return;
}

2. main()
{
char P[]={"Hello World"};
printf(" %s \n",p);
}

3.
main();
{
INT i,j;
i = j = 0;
i = ( i++ > ++j ) ? i++ : i--;
}

4.

# define D 10
# define Y D+10
# define D 30
main
(int argc, char *arc[])
{
printf(" %d \n",D);
}

5. # define TRUE 0
main()
{
int i=0;
while(TRUE)
{
printf(" %d \n",i);
i++;
}
printf(" %d \n",i);

6. UCHAR j;
for(j=0;j<2000;j++);

Number of iterations?

7. main()
{
int a[5];
a[0]=0;
a[1]=1;
for(i=2 ; i<4 ; i++)
a[i] = a[i-1] + a[i-2];
}
What are the elements of array?


8. How many times is the for loop executed
for(i=0;i<10;i++);
a. 1
b. 10
c. Compiler error
d. not executed
9. for selection, we use
a if..else
b for loop
c. while loop
d. none
10.Which of the following is executed 1rst?
i .&& ii.|| iii.!
a. i
b. ii
c. iii
d. all are equal
11.To find o/p of a recursive pgm, function where in parameters are passed by value, reference......function used in ansi computers to clear the screen is:
a. clrsc
b. clear
c. clescr
d. none of the above

Nokia India
--------------------------------
Technical Paper Sample 1
--------------------------------------------
(C/C++/OS concepts, programming concepts)

1. Write a function to reverse the binary short integer

2. Write a program to delete an element in the single linked list without starting pointer.

3. Write a program for the following state diagram

- Edges- events
-Squares -nodes

OS concepts

1. What is the critical section code.

2. Which resource(s) used for the critical section.

a. semaphore

b. shared memory

c. mutexs

d. message queues


3. Scheduler is based on the priority non-pre –emptive. Task T1 is higher priority and task T2 is of lover priority. If task T2 is running and task T1 is ready. What is the scheduler action?

Nokia Interview Questions
--------------------------------------------
These questions are asked to a candidate with 1 year experience in mobile industry.
Technical Round 1
------------------------------------
1. What all debugging techniques have you learnt so far to debug mobile phone application?
2. Given a set of numbers find a consecutive subset of numbers whose sum is maximum. What is the complexity of your algorithm?
3. How will you implement a memory leak detector for your mobile application, so that when you come out of a scope, you can alert developer that there is a memory leak
4.What is the most challenging bug that you have fixed for a mobile application?
5. What are the differences between C++ and Java?
Technical Round 2
------------------------------------
1. How does a UNIX machine boot, what is the process id of in it?
2. Describe file system in UNIX.
3. How can a process communicate with another process in most efficient way?
4. How can you detect memory corruption?
5. Design a system which has UI which takes either an array of characters or integers, and a sorting algorithm(e.g. quick sort, merge sort) it sorts the array passed based on the algorithm passed.
Technical Round 3
-------------------------------------
1. Declare = operator for a class.
2. Why = operator has to return a reference why cannot it be void.
3. Explain how a mobile browser application works.
4. What is placement syntax?
5. Can a constructor be virtual ?
6. How do you prevent developer allocating memory for a class in heap ?
7. How do you prevent developer from allocating memory for a class in Stack?

LUCENT TECHNOLOGIES

Company Profile
-----------------
Lucent Technologies is a technology company composed of what was formerly AT&T Technologies, which included Western Electric and Bell Labs. It was spun-off from AT&T on September 30, 1996.
Core industry is Telecommunication.
CEO: Patricia Russo
Lucent merged with Alcatel SA of France, to form Alcatel-Lucent on December 1st, 2006.It provides hardware, software and services to telecommunications service providers and enterprises.

SAMPLE PAPER I
-------------------------------
Technical Paper

Section-I
-----------------------------
1). Piggy backing is a technique for
a) Flow control b) sequence c) Acknowledgement d) re-transmission
ans : c

2). The layer in the OST model handles terminal emulation
a) session b) application c) presentation d) transport
ans: b

3) There is an employer table with key fields as employer no. data in every
n th row are needed for a simple following queries will get required results.
a) select employee no. from employer A , where exists from employer B
where A .employee no. >= B employee having (count(*) mod n)=0
b) select employee no. from employer A, employer B where
A employee no. >= B employ no. group by employee no. having (count(*) mod n=0 )
c) both a& b
d)none of the above

4) Type duplicates of a row in a table customer with non uniform key field
customer no. you can see
a) delete from customer where customer no. exists ( select distinct customer no. from customer having count )
b) delete customer a where customer no. in (select customer b where customer no. equal to b customer no. ) and a row_id > b row_ id
c) delete customer a where customer no. in (select customer no. from customer a, customer b )
d) none of the above

SECTION-II
------------------------------

1) long int size
a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes
ans: c

2) x=2,y=6,z=6
x=y==z;
printf(“%d", x) ?

3) Question on: -=+,*=-,/=* etc
then 10/5*45=?

4)#define max 10
main()
{int a,b;
int *p,*q;
a=10;b=19;
p=&(a+b);
q=&max;
}
a)error in p=&(a+b)
b)error in p=&max
c)error in both
d) no error

COMPANY PROFILE:
------------------------------------
Honeywell is a major American multinational conglomerate company that produces a variety of consumer products, engineering services, and aerospace systems for a wide variety of customers, from private consumers to major corporations.The company is headquartered in Morristown, New Jersey.Honeywell is a Fortune 500 company with a workforce of over 100,000. Its current CEO is David M. Cote. Honeywell has many brands that consumers may recognize.
Industries and Technologies
-------------------------------------
Aerospace
Automation and Control Solutions
Transportation Systems
Special Materials

HONEYWELL SELECTION PROCEDURE
----------------------------------------------------------
Written Test Paper:
-----------------------
Test has 3 sections
Technical 35 questions in 30 mins-
DCT, data structures,interrupts in 8085 etc..
aptitude -30 questions in 30 mins ,
C programming-20 questions in 15 mins

Personnal Interview:
------------------------
Technical and HR
(Upto 3 rounds)


SAMPLE PAPER
---------------------------------
1The key constraints are
(a)secondary key
(b)primary key
(c)foreign key
(d) none of the above

2 If a sinusoidal signal of 1100Hz is flat top sampled at a rate of 1800Hz,& this signal is passed through an ideal LPF with cutoff 1KHZ,the o/p contains the following frequency components:
(a)only 800Hz
(b)only 400Hz
(c)800 and 400 Hz
(d)none of the above

3 TRAP is _____interrupt
(a)synchronus
(b)asynchronus
(c)hardware
(d) none of the above

4 When the instruction RST is executed, the control jumps to location:
(a)0020
(b)0024
(c)0028
(d)none of the above

5 A memory cell in static Random Access Memory is made up of:
(a)6 mos transistors---ans
(b)1 mos transistor and 1 capacitor
(c)4 mos transistors and 2 capacitors
(d) none of the above

6 Worst case algorithm is meant for the case
(a)when sometimes favourable
(b)when worst unfavourable
(c) none of the above


7 A semaphore with negative count n(s=n) has how many processes in the Q?
(a)0
(b)n
(c)n+1
(d)n-1

8 If in a PCM system the no of bits used is increased from n to n+1,the signal-to-noise ratio
improves by
(a)3dB
(b)6dB
(c)20ndB
(d)24ndB

9. 2 trains of length 110m & 90 m travelling at 45kmph & 50 kmph respectively..when will they pass each other?
(a)144mins
(b)102mins
(c)48mins
(d) none of the above

10 From a circular sheet of radius 10cm , 40% is cut off & from the remaining portion a cone is constructed, what is the ratio of the radius of the cone to its height?

11 If a vessel contains 56 litres of a mixture of milk & water in the ratio 3:2..what amount of water should be added to make the ratio 4:5?

12. 2 pipes fill a cistern in 12 mins,pipe A is 3 times faster than pipe b...if only pipe B has to fill the cistern ,how long will it take?
(a)1hour
(b)2hours
(c)3hours
(d) none of the above.

13 #define ADD(X,Y) X+Y
main()
{
#undef ADD(X,Y);
fun();
}
fun()
{
int y=ADD(3,2);
printf("%d",y);
}

what is the o/p?

14 Which of the following is illegal
(a)void v;
(b)void *v;
(c)void **v;
(d)all are legal

15 #define int INTEGER/*line1*/
#define INTEGER int/*line 2*/
main()
{
INTEGER p=10;/*line 5*/
printf("%d",p);
}
o/p?
(a)compiler error at line 1
(b)compiler error at line 2
(c)compiler error at line 5
(d)No error,prints 10
ans:c
16 main()
{
int counter=1;
for(;;)
{
counter++;
if(counter>9)
break;
}

}

in the above program
(a)error b'coz for should have parameters
(b)error bcoz 2 semicolons in a for loop are invalid
(c)no error,loop is executed once
(d) no error ,loop is executed 10 times

17) main()
{
char str={'H','E','L','L','O','\0'}
printf("%s/n",str+1);
}
o/p?

(a)prints ELLO
(b)prints HELLO
(c)prints ILLO (i.e.'H' is incremented by 1)
(d)...

18 The average temperature for monday,wednesday,thursday was 46 o C.the average temperature for tuesday,wednesday,thursday,friday was 48(some no)..if temp on monday was 42 o C,what is the temperature on tuesday?
(a)32
(b)36
(c)37
(d)3....

19 The average marks of 12 students was found to be......(some no)...it was later found that while entering the data , it had been entered as 74 instead of 50...and 20 instead of 24(nos are not the same)...what is the correct average?

20 If a lady bought a house & sold it at 25% more than what she had paid after 3 years,
she has to pay 50%tax on the gain...If C is the cost price,(gain=s.P-c.p),what tax did she
have to pay?
(a).C/4
(b)C/8
(c) C/2
(d) none of the above

21 Some no of men(given)..complete a work in (given) no of days...after (some no) of days ..some more(given no) men join them,they will finish the work in how many days?
(Work – Time based question)

22 If a car travels from A to B at a speed of 'x' kmph & travels back from B to A at 4/5th the speed,then the total distance travelled in terms of percentage of x is?
(a)2400km
(b)3600km
(c)4800km
(d) none of the above

(23)-(24)2 similar problems on a race..i.e.one travels at some speed gives a lead of some time or length to the other....kind of problem..

25 A question on malloc
int *p;
p=malloc(sizeof(int)*5);
if malloc returned the address 1000;the value of p+1 is
(a)1002
(b)1004
(c)1003
(d) none of the above

26 A cascade amplifier is:
(a)a common emitter stage followed by a common base stage
(b)a common base followed by emitter follower
(c) a common base stage followed by a common emitter stage
(d) none of the above

27 A network has 7 nodes & 5 independent loops,the no of branches=?
(a)11
(b)14
(c)12
(d) none of the above

28 Many nodes transmit at the same time .....collision occurs...retransmit.....what is this called?
(a)
(b)
(c)collision.....enforcement
(d)

29 If the characteristic impedance of a transmission line is 50ohms,at 1 end the impedance is
+j50 ohms,the VSWR =?
(a)0
(b)infinity
(c)+j
(d)+1

30 Minimum no of NAND gates required to realize the boolean eqn: Z=ABC?
(a)4
(b)6
(c)12
(d) none of the above

31 It has been found that mercury poisoning due to industrial pollution causes Hobson's disease.
An island R is completely away from modern industry.People here follow subsistence agriculture method.
A high % of people in Island R are affected by Hobsons disease.From the above paragraph, we can deduce
(i)there must be another reason for Hobson's disease other than mercury posoning
(ii)mercury poisoning can be due to other reasons than industrial pollution
(iii)....
(a)i only
(b)ii only
(c) i ,ii, iii
(d) i and ii

32 fun()
{
int counter=1;
counter++;
if(counter>10)
fun();
}...(some program similar to this one).
the program will be executed infinetely--ans

33 Which of these are legal?
i.a pointer to a function
ii.a pointer to a structure
ii.pointer to union
(a)i only
(b)i and ii
(c)i,ii &iii
(d)ii &iii
34 Union..
{
int ivalue;
char lvalue;
struct boo
{
int ivalue;
char lvalue;
}databook;
};
(a)error as struct within union is not allowed
(b)error as struct members have same name as union members
(c) none of the above

35 How many stacks are there in DOS?
(a)1 stack
(b)2 stacks
(c)3 stacks
(d) none of the above

36 What is the o/p?
main()
{
char arr[5]={'a','a','b','c','d','e'};
printf("%s",arr);
}

PERSONNAL INTERVIEW SAMPLE QUESTIONS
-----------------------------------------------------
First Round Interview Questions:
--------------------------------------------------

Q. what is a Real-Time System ?

Q. What is the difference between Hard and Soft real-time systems ?

Q. What is a mission critical system ?

Q. What is the important aspect of a real-time system ?

Q. Explain the difference between microkernel and macro kernel. Give an example of microkernel.

Q. Why paging is used ?

Q. Which is the best page replacement algo and Why ?

Q. WHat is software life cycle ?

Q. How much time is spent usually in each phases and why ?

Q. Which one do U want to work if selected in Honeywell ?

Q. What is testing ?

Q. Which are the different types of testing ?

Q.Why do U want to join Honeywell ?

Q. Do U know C++ ?

Q. How good are U in C and C++ ?

Q. Rate U'rslef in both C and C++. ( 1 - 10 marks)

Second round Interview
------------------------------------------

Q. Explain U'r research work.

Q. What is a distributed system ?

Q. Some questions about CSP.

Q. Which languages do U know ?

Q. What are the differences between Pascal and C.

Q.Then what is typing and its advantages ?

Q. Then he asked some questions from Compiler construction and Lisp.

Q. WHich are the different computer architectures ?

Q. What is the requirement in MIMD ?

Q. What is the difference between RISC and CISC processors ?

Q. Difference between loosely coupled and tightly coupled systems ?

Q. What is an open system ?

Q. questions from software engineering .

Q. Which are the different phases in Software life cycle (asked again)

Q. Why is analysis and testing phases very important ?

Q. Which methodologies are U familiar with ?

Q. Have U worked in windows ? (Yes)

Q. What is the difference U have seen from a Dos environment ?

Q. So what do U mean by event driven ?

Q. How do WinMain look like ?

Q. How the messages are processed in Windows ?

Q. What are parameters needed to distinguish an event ?

Q. Have U done any network programming ?

Q. Why networks are layered ?

Q. What is the advantage of that ?

Q. How many layers are there in OSI ?

Q. WHy is it called OSI model ?

Q. Are U familiar with network topologies ?

Q. Which are the different network toplogies ?

Q. Tell an example of bus type network.

Q. What is the Bandwidth of ethernet ?

Q. Explain the advantage and disadvantage of ethernet ?

Q. Which is the protocol used in ethernet. (CSMA/CD)

Q. Why is it called so ?

Q. If all stations tries to communicate at same time, what will happen.

Q. What is binary exponential backoff algo ?

Q. What is the advantage of Ring network ?

Q. Compare it with ethernet.

Q. In a real-time system which one do U prefer and why ?

Q. What is the basic requirement of a real-time network ?

Q. Which one is costly - ethernet of ring networks ?

Q. Some questions form OOSD and Digital signal processing.

Q. What is inheritance, encapsulation etc.

Third round Interview
------------------------------------------

HR Questions:

Academics interests
Hobbies
Strengths and Weaknesses
Extra-curricular activities...

ROBERT BOSCH:: COMPANY PROFILE
----------------------------------------------------------
Robert Bosch GmbH is a German diversified technology based corporation which was started in 1886 by Robert Bosch in Stuttgart, Germany.
Robert Bosch GmbH is the world's largest supplier of automobile components.
The corporate headquarters of Bosch is in Gerlingen, near Stuttgart.The Bosch Group comprises more than 275 subsidiary companies.
Industries and Technologies
-----------------------------------------------
Automotive technology.
--------------------------------
Automotive Parts and Accessories
Anti-lock braking system (ABS).
Traction control systems (TCS).
Electronic Stability Program (ESP).
Body electronics.
Robert Bosch GmbH is supplying hybrid diesel-electric technology to automakers, including PSA Peugeot 308
Industrial Technology.
----------------------------------
Bosch's subsidiary Bosch Rexroth is a supplier of industrial technology.
Packaging Technology.

Embedded systems and automotive software.
-------------------------------------------------------
Automotive related Embedded systems and softwares.

SELECTION PROCESS PATTERN
-------------------------------------------
WRITTEN TEST

Section 1: Technical Paper
----------------------------------
For Computer Science,Electronics,Electrical Engineering Applicants::
Pointers in C, C++.
Data Structures .
Operating Systems.
DBMS.
Question on bit conversions (HEX toBinary, decimal).
Question on 2's compliment.

For Non-circuit Branches of Engineering Applicants..
Strength of Materials
Steel,Alloys,Properties of Materials...
General Mechanical Engineering Topics

Section 2:Aptitude & English
------------------------------------
General maths and reasoning based Aptitude questions.
General English questions.
Testing the knowledge of English grammar and different English works.
Question included comprehension,synonyms,proverbs type question.

PERSONNAL INTERVIEW

Technical Round
HR Round

BOSCH REXROTH SAMPLE PAPER 1:
-------------------------------------------------
For Mechanical Branch Applicants...

1. Critical stress at which material will start to
flow
(a)yield
(b)ultimate tensile stress
(c) proof stress
(d) none o the above

2. maximum degree of freedom in space
Ans. 6

3. Bearing which will take axial and radial loads.
(a) thrust bearing
(b) deep groove
(c) taper roller

4. volume of water per cubic metre of air.
(a)specific volume
(b) specific gravity
(c) vapour pressure
(d) none of above

5. fluid is flowing through a frustum of cone. what is
the nature of graph of velocity
Vs. c/s area. {flow = velocity X c/s area}
(a) parabola
(b) hyperbola
(c) y=mx+c
(d) x=x.

6. Fluid in a pipe having no change in profile with
change in length of pipe ...explain type of flow.
a)Laminar
b)Turbulent
c)fully developed profile
d)steady flow

7. Which are correct

I) Navier Stokes Eq. is .... of momentum
conservation eq.
II)bernoulis eq. is for viscous flow
III) REYNOLD no. >3000 always for turbulent flow.

a)I and II correct
b)I and II not correct
c)II and III correct
d)II and III not correct

8. Which can’t be removed during alloying from Fe
alloys
a) co
b) N
c) Si
d) As

9.There are two ropes burning non uniformly (rate) and
clock half an hour each. which can,t be clocked ?
a) 1 Hr.
b) 45 min
c)15 min
d)none

10. Lim n->0 (1+ 1/n)^n =
a) 1
b)0
c)e
d)infinity

11.Time dependent increase in length at steady temp.
is called
a) superplasticity
b) creep
c) fatigue
d) none

12. Viscosity change with increasing temp.
a) decreases
b) increases
c) same
d) first decreases and then increases.

13. Direction of friction in bicycle tyres
a) along motion
b) opp. motion
c) Front opp. motion and vice versa
d) rear opp. motion and vice versa

14. Sp. gravity of a fluid
a) density of fluid at 0`c / density of water at o`c.
b) density of fluid at 0`c / density of water at T`c.
c) density of fluid at T`c / density of water at o`c.
d) density of fluid at T`c / density of water at T`c.

15. lateral strain / longitudinal strain
a) Poission,s Ratio
b) Bulk Modulus
c) Modulus Of Elasticity
d) None

16. 10 coins & 1 defected coin and 2 weighs Find min
weighs req. to detect faulty coin
a) 2
b)3
c)4
d)5

17. 9 members in meeting scheluled at 10:00 A.M. , all
reaches at 9:48 A.M. . one member req. 2 min to intro
with other
find meeting delay with scheduled time of 10:00 A.M..
a) 1 Hr.
b) 6 min
c) ...
d)At scheduled time

18. A completes job in 10 hr. and B completes in 15
hr.. Find when both together works
a) 6 hr.
b) 8 hr
c) 10 hr
d) none

19. A ball dropped from H height and moves 80% of
height each time.Total dist. covered
a) 4H
b) 5H
c) 7H
d) 9H

20. A cantilever beam loaded at free end find
reinforcement place
a) AT neutral axis
b) above neutral axis
c) below neutral axis
d) above and below neutral axis

21. Punching a sheet of D dia and T thickness and S
ultimate tensile stress
a) 3.14 DTS
b) 3.14TS X D^2
c) 6.28 DTS
d)6.28 TS x D^2

Two questions based on string mass equilibrium
system...

24. Microstructure after quenching
a) Martensite
b) pearlite
c) ferrite
d) austentite.

Tata Elxsi

Company profile:
Tata Elxsi Limited (BSE: 500408, NSE: TATAELXSI) is a technology company of the Tata Group in India with a distinct focus on design. It delivers outsourced product design and R&D services and solutions to customers worldwide, while also providing solutions through four core practices: product design services, design and engineering, system integration services, and visual computing labs. The company has a team of more than 3600 engineers and designers. It is headquartered in Bangalore

Placement Pattern:
General test
Interview

General Test :
Two separate tests:

1. Technical (30 questions-30 minutes) - Separate questions for CS and EC.
Technical will be conducted first, followed by Analytical.
No Negative marking.
No Separate Question Booklets.
Everybody had the same one -Technical test (for computer science) consisted MAINLY 'C' .
2. Analytical (30 questions-20 minutes)
Questions from
Numbers/Simplification/Problems
Ages/Profit and Loss/
Ratio & Proportion/
Time & Work/Pipes & Cisterns/
Time & Distance/Problems on Trains
Problems on Boats & Streams
Area/Volume & Surface Area
Calendar/Clocks.

Technical Sample Paper

1) Graphics:- Painters algorithm is used for...........

2) Graphics:-Why is 'Lighting' operations done on World Coordinates?

3) A structure was given and it contained normal data as well as some bit-wise data. You had to find the total size taken up by the structure

4) Questions on C External Variables.

5) How can you call a function written in FORTRAN from a C program

6) Normal question on pointer addition

7) Another question on linked list

8) A question on 64 bit OS's and Virtual Memory

9) UNIX question on 'who' output and then doing some other operation and then asking you whats the output.

10) UNIX question on 'awd' operation.

11) A big code with lots of pointers. There was a struct which contained 2 arrays. Then an array of that structure was declared. The code used these structures and you had to find the values of a variable 'j' at various points inside the code.

12) A code which had some declarations of some data items. There were a couple of normal data items(char,int..) and some pointers as well and a malloc call. You have to find the total memory taken up in the stack (Hint: Pointers and all are allocated in heap, not in stack, so dont count them).Also in most of these questions, they were specifying that the OS was 32 bit.

13) A question on nesting of pointers. There was this pointer to a function which returned an array of char pointers.....You had to give the exact definition of the function

14) Value of 2 particular variables in C (MAXINT and some other constant)

15) What do you need to do to open more than 10 files simultaneously in Microsoft Operating System?

16) A question on Macro( consisted of something like CTRL&037)

17) Question on Macro expansion


Analytical Sample Paper

1) 101^100 -1 is divisible by.....

2) Question on boat (stream velocity given...)

3) Train Question ( Goods and Passenger train.. their speeds given..)

4) Pipe question (with leak at the bottom..)

5) Salary & Proportion problem

6) Another problem on Salary & Proportion

7) Age question-father and son

8) Another age question

9)Question on ratio (Sachin: Saurav= Saurav:Rahul=3:2....together they scored some runs,you had to find the runs scored by Sachin)

10) Angle between hands when time is 2:20

11) x^2 + 4 y^2 =4xy.Find x:y

12) A question on Arithmetic Progression (something like 5 times the 5th term is 8 times the 8th term. find 12th term...)

13) A and B's work units given. They were together given Rs.720.When C joined, they together completed the work in 5 days. Find C's wages

14) There was a circle. A square of max size was cut from it. From this square, a circle of max size was cut. What was the ratio of this final size w.r.t initial size?

15) A runs 3/4th faster than B. One of them was placed some metres ahead. How far should the finishing post be placed so that both of them finish at the same time?

16) Longest time one has to wait for next birthday?(366/365/4 years/8years)

17) Next no: in the sequence: 7,11,__,19,23

18) Some question on steps...it was 10 ft high...an ant travelled upwards .and total time taken ?

19) Cricket-some data on run-rate of the opposition being 15%....

20) Time & Distance: somebody was traveling along the circumference....

ABB - Asea Brown Boveri
Operating mainly in the power and automation technology areas.
ABB is one of the largest engineering companies in the world

PATTERN OF RECRUITMENT:
--------------------------------
1. Written Test(Aptitude + Technical).
2. Personal Interview. (Tech + HR)

Pattern for campus placement
-----------------------------
1. Written Test in campus(Aptitude + Technical).
2. Personal Interview in ABB location

Personal Interview
------------------------
Both Technical and HR combination
HR mainly deals with your extra carricular activities.


Technical Topics
-------------------------

Electrical Machines
-------------------
Motors
DC Motors-Series,Shunt,Compound Motors
Induction Motors
Servomotors-AC,DC
Generators
DC Generators
Alternators
Transformers

Control Systems
-----------------
Control System Plots
Bode Plot
Nichols Plot
Nyquists Plot
Concepts of stability
Concepts of root-locus
Conccepts of frequency response

Programmable Logic Control
----------------------------
Programmable Logic Devices

Digital Electronics
----------------------------
Basic gates
Adder,Subtractor circuits implimentation using NAND,NOR..
Combinational Logic Circuits
MUX,DEMUX
Flip-Flops-JK,D,T,RS..
Flip-Flop Conversion
Number systems

TECHNICAL PAPER
------------------------
1.In a ckt. We are giving voltage of 50 Hz as well as 60.What will be the resultant frequency.
(a)less than 50
(b) more than 60
(c) between 50 & 60
(d) none

2.In a ckt a single resistor is connected across a d.c. source, what will be the effect on current in first resistor if we connect one more resistance in parallel?

3.Why we don't like flashover in transmission line (t-line)-
(a) It may create earth fault
(b) It reduces the life of insulator

4.Total no of strands in a acsr conductor is 81, then what is the no. of conductor in its outer layer?
(a)36
(b)18
(c)24
(d)none

5.Two questions based on percentage utilisation(p.u) calculation like , p.u. calculation is given with respect to some old base and to calculate it with reference to new base.

6.Which table is referred for sag calculation?

7.in a R-L ckt a ac voltage is applied , such that instantaneous power is negative for 2ms, what will be the power factor?
(a) 9 deg
(b) 18 deg
(c) 36 Deg
(d)none

8. In an incandescent lamp which is true?
(a)luminous intensity is more than non-luminous intensity
(b)luminous intensity is less than non-luminous intensity


9. In which motor no-load to full-load diff. is lowest
(a) series motor
(b) shunt motor
(c) Compound motor

10. In a 60Hz induction motor full load speed is 850 rpm then what is the Synchronous speed?
(a) 900 rpm
(b) 950 rpm
(c) 1600rpm
(d) none

11. A sync. Motor is running at synch. Speed, if D.C. excitation is removed, then
(a) it will rotate at slip speed
(b) it will stop
(c) it will continue to rotate at sync.Speed
(d) none of the above situations.

12. A transmission line is designed for 50Hz, 440KV. If we want to transfer power at 60Hz, 440 KV, then the power transfer capability will
(a) decrease
(b) Increase
(c) None

13. Increased rotor resistance in rotor ckt of induction motor is related with
(a) high starting torque
(b) more speed variation

14. In the formulae E = 4.44 f N Ô, Ô is
(a) Avg value
(b) Rms value
(c) Maximum value

15. Voltage & current in a ckt is given by V= V1+j V2 and I= I1 +j I2, then find rms power ?

16. Input impedence of MOSFET is
(a) more than BJT
(b) less than BJT

17. Half-Adder,full-Adder implimentation Using NAND gate

18. Truth table of AND, NOR, NAND, OR, EX-OR ETC

19. Conversion of Binary number into Equivalent decimal No.

20. Megger is used for the measurement of
(a) Insulation resistance
(b) Conductor resistance

21. Form factor for sinusoidal as well as DC

22. Formulae of Regulation (Vs- Vr)* 100/ Vr, then transmission line is
(a) short transmission line
(b) long transmission line
(c) medium transmission line

23. Improvement in power factor reduces
(a) power consumed by consumer
(b) power generation
(c) both a & b

24. Question related to field test of Series Motor

25. Question related to No-load test for Synchronous motor

26. An AC voltage of 50Hz is impressed in a resistive ckt, the oscillating power has a frequency
(a) 50 Hz
(b) 100 Hz
(c) no oscillating power is there in resistive ckt

27. Insulation used in transformer ___________leakage flux.
(a) increases
(b) decreases
(c) does not affect

28. After rain what happens to Insulator
(a) break-down strength of Insulator decreases
(b)Arch length reduces

29. Diversity factor helps to
(a)Read diversity factor
(b)load factor
(c)Reserve capacity factor

30. Why capacitance is shown as a Shunt element in analysis of transmission line?

31. B-R-Y sequence is followed in three phase system, if phase voltage in B-phase is Vm sin 100, then the phase voltage in R-phase would be

32. In a particular ckt I = Im Sin (wt -270) and V = Vm Sin wt, then type of ckt is
(a) pure resistive ckt
(b) pure capacitive ckt
(c) pure inductive ckt

33. In a L-R ckt energy lost = 2000 W, energy conserved = 500W,what is the time constant

34. In electro-dynamometer A,meter & wattmeter the type of scale is
(a)Uniform
(b)Non-uniform

35. For the same current carrying capacity corona loss of ACSR will be ________than copper conductor.
(a) more
(b) less
(c) equal

36. A R-C ckt , supplied with DC, a bulb is connected across the Capacitor,what happens to the illumination, if we change the capacitance.

37. Questions based on surge impendence of over-head and under-ground cable

38. Colour-coding of resistor with tolerance Red,Red,Yellow,Gold

39. Basic electricity and Magnetism questions based on
Biot-savart law, current carrying conductor properties

40. Question on Faraday's laws of electrolysis.

APTITUDE QUESTIONS
--------------------------

Questions based on

Ratio proportion
Time and Work
Time and distance
Profit-Loss
Geometry