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NCR Placement Paper : Technical - Electronics Delhi - 28 October 2007

NALCO papers on 28th oct. 2007 at DELHI

Hi friends,

Here are the some of the technical questions posed in the NALCO exam for the post of Graduate engineering trainee on 28 oct. 2007 for Electrical branch. Out of 120 questions 60 technical questions, 60 non-tech questions and time duration was 2 and half hours.

1) rms value of AC current is equal to main current at an angle ?

a) 60 b) 45 c) 30 d) 90

2) Corona produce in two transmission line if ?

a) Whn both placed closed b) Whn both placed widely

c) Potential difference is very high d) I did¡¯t remembered

3) Diac is equall to ?

a) Two diode and two resister b) Trice with two gate

c) Two thyristor connect in antiparallel d)Four layer pnpn scr

4) In the Economic transmission point of view Kelvin,s gives ?

A) Voltage drop at feeder b) transmission losses

Two more option I did¡¯t remember.

5) The essential condition for using servomotor for high torque at all?

c) voltage d) power

6) If torque of induction motor is 200n-m at slip 12%. Wht is the value of torque at slip 6%.....?

a) 60n-m b) 40

c) 100 n-m d) 150

7) If speed of induction motor at full load is 950rpm then wht is the speed at half load ?

a) 1000 rpm b) 975

Two option I forget¡­¡­

8) Find the value of ¡Ò©¦cost +1/2©¦dt where limit is 0 to ¡Ç/2?

Option I did¡¯t remerm

9) Wht is the slope of ¨Cx3+ 6x2+ 2x+1=0?

Option I did¡¯t remerm

10) For the purpose of constant speed we use?

a) Brushless dc motor b) stepper motor

c) shaded pole motor d) sync motor

11) Essential condition for parallel operation of 1phase transformer?

a) Rating b) Polarity

c) Impedance d) Voltage

12) Some of G.K. question

About placed of shriharikota space center.

13) Who did give the name of AL?

14) World literacy day?

15) World environment day?

16) If two heaters of 100W & 110 volt other are 150W & 110 volt connect in series with 220v ac source then what is the total power?

17) What is the GDP rate of India in 2005-06?

18) What is the % rate of production of AL in India?

a) 10 b) 20

c) 7 d) 14

19) One passes which have 4Qs

20) Some fill in blanks

21) One Q about the find the % of fifth harmonics in a current wave equation.

22) 4pole 3phase 50 htz induction motor running at 1460 rpm. Wht is the speed of running slip wrt to rotor?

23) Find the new kva rating of transformer which hav 220 kva, 1watt iron loss and 2watt cu loss?

24) Hay¡¯s bridge used for the measurement of?

25) In R-L-C parallel resonant circuit

a) Impedance is max. b) resistance is min

two more options I did¡¯t remember

26) Two bulb 100w & 50w respectively with constant resistances connect in series with 220v dc source then wht is the value of voltage across first bulb?

27) AC ammeter used for measurement in

a) Pmmc b) induction meter

c) Dynamometer d) moving iron type meter

28) For ac current we use?

Same option

29) we preferred V-V connection over T-T connection why?

30) Suspension type insulator is used whn?

a) high voltage b) low voltage

c) oscillating voltage d) steady voltage

31) One question based on Norton¡¯s theorem?

32) One question based on inverted-V curve of synch motor.

33) one question based on load saturation curve.

34) There were 4 question like if A*B represent A is the son of B, some like that

35) Some questions from BAR-GRAPHS

36) Some questions from probability.

37) Some questions from Data¨Cinterpretation

38) Some questions from diodes.

39) One question from winding design for motor (find value of commutator segment)

NCR Placement Paper : HYDERABAD - 22 April 2006

NCR CORP PAPER - 22 APR 2006 - HYDERABAD

NCR PAPER Dated April 22nd,2006 held in Hyderabad.

Results are not declared yet.

Four Sections.

1.RDBMS/SQL Concepts. (5 Marks)
2.C and Data Structures. (5 Marks)
3.Programming. (10 Marks)
4.Operating Systems. (5 Marks)
Each section contains five bits.Except Programming.

1.Operating Systems. (5 Marks)

1.Using UNIX Shell Commands,how you will count the number of lines in ASCII
2.What is sticky bit in UNIX.
3.Difference between process and deamon.
5.What is Monitor.

2.C and Data Sructures (5 Marks)

1.program given n asked to write the type of error.
2.write tha c code in one statement for given "N" number is ODD/EVEN
4.Question on binary search tree.(dnt remember)
5.one function was given n asked to explain that function.

3.RDBMS/SQL(5 Marks)(Dont Remember exact questions)

1.If two tables are given.
Department(Dept_id,dept_name)
employee(emp_id,emp_name,emp_sal)
write the query for all departments id and the sum of all
employee sal should be greater than 500.
2.select "true" from dual where 1="NULL";
will this dual statement will return NULL if not rewrite the statement.
3.Two tables were given and query was given on "left outer joins" and asked to write the output.
4.Query on subquery/nested query was given to select the correct o/p( 4 multiple choices were given).
5. difference between PK column and unique column.

4.Programming (10 Marks)

Write a c program
take two strings "str1" and "str2" and find the end letters of the first string
return true if found.

NCR Placement Paper : Technical - Electronics Delhi - 28 October 2007

NALCO papers on 28th oct. 2007 at DELHI

Hi friends,

Here are the some of the technical questions posed in the NALCO exam for the post of Graduate engineering trainee on 28 oct. 2007 for Electrical branch. Out of 120 questions 60 technical questions, 60 non-tech questions and time duration was 2 and half hours.

1) rms value of AC current is equal to main current at an angle ?

a) 60 b) 45 c) 30 d) 90

2) Corona produce in two transmission line if ?

a) Whn both placed closed b) Whn both placed widely

c) Potential difference is very high d) I did¡¯t remembered

3) Diac is equall to ?

a) Two diode and two resister b) Trice with two gate

c) Two thyristor connect in antiparallel d)Four layer pnpn scr

4) In the Economic transmission point of view Kelvin,s gives ?

A) Voltage drop at feeder b) transmission losses

Two more option I did¡¯t remember.

5) The essential condition for using servomotor for high torque at all?

c) voltage d) power

6) If torque of induction motor is 200n-m at slip 12%. Wht is the value of torque at slip 6%.....?

a) 60n-m b) 40

c) 100 n-m d) 150

7) If speed of induction motor at full load is 950rpm then wht is the speed at half load ?

a) 1000 rpm b) 975

Two option I forget¡­¡­

8) Find the value of ¡Ò©¦cost +1/2©¦dt where limit is 0 to ¡Ç/2?

Option I did¡¯t remerm

9) Wht is the slope of ¨Cx3+ 6x2+ 2x+1=0?

Option I did¡¯t remerm

10) For the purpose of constant speed we use?

a) Brushless dc motor b) stepper motor

c) shaded pole motor d) sync motor

11) Essential condition for parallel operation of 1phase transformer?

a) Rating b) Polarity

c) Impedance d) Voltage

12) Some of G.K. question

About placed of shriharikota space center.

13) Who did give the name of AL?

14) World literacy day?

15) World environment day?

16) If two heaters of 100W & 110 volt other are 150W & 110 volt connect in series with 220v ac source then what is the total power?

17) What is the GDP rate of India in 2005-06?

18) What is the % rate of production of AL in India?

a) 10 b) 20

c) 7 d) 14

19) One passes which have 4Qs

20) Some fill in blanks

21) One Q about the find the % of fifth harmonics in a current wave equation.

22) 4pole 3phase 50 htz induction motor running at 1460 rpm. Wht is the speed of running slip wrt to rotor?

23) Find the new kva rating of transformer which hav 220 kva, 1watt iron loss and 2watt cu loss?

24) Hay¡¯s bridge used for the measurement of?

25) In R-L-C parallel resonant circuit

a) Impedance is max. b) resistance is min

two more options I did¡¯t remember

26) Two bulb 100w & 50w respectively with constant resistances connect in series with 220v dc source then wht is the value of voltage across first bulb?

27) AC ammeter used for measurement in

a) Pmmc b) induction meter

c) Dynamometer d) moving iron type meter

28) For ac current we use?

Same option

29) we preferred V-V connection over T-T connection why?

30) Suspension type insulator is used whn?

a) high voltage b) low voltage

c) oscillating voltage d) steady voltage

31) One question based on Norton¡¯s theorem?

32) One question based on inverted-V curve of synch motor.

33) one question based on load saturation curve.

34) There were 4 question like if A*B represent A is the son of B, some like that

35) Some questions from BAR-GRAPHS

36) Some questions from probability.

37) Some questions from Data¨Cinterpretation

38) Some questions from diodes.

39) One question from winding design for motor (find value of commutator segment)

NCR Placement Paper : HYDERABAD - 22 April 2006

NCR CORP PAPER - 22 APR 2006 - HYDERABAD

NCR PAPER Dated April 22nd,2006 held in Hyderabad.

Results are not declared yet.

Four Sections.

1.RDBMS/SQL Concepts. (5 Marks)
2.C and Data Structures. (5 Marks)
3.Programming. (10 Marks)
4.Operating Systems. (5 Marks)
Each section contains five bits.Except Programming.

1.Operating Systems. (5 Marks)

1.Using UNIX Shell Commands,how you will count the number of lines in ASCII
2.What is sticky bit in UNIX.
3.Difference between process and deamon.
5.What is Monitor.

2.C and Data Sructures (5 Marks)

1.program given n asked to write the type of error.
2.write tha c code in one statement for given "N" number is ODD/EVEN
4.Question on binary search tree.(dnt remember)
5.one function was given n asked to explain that function.

3.RDBMS/SQL(5 Marks)(Dont Remember exact questions)

1.If two tables are given.
Department(Dept_id,dept_name)
employee(emp_id,emp_name,emp_sal)
write the query for all departments id and the sum of all
employee sal should be greater than 500.
2.select "true" from dual where 1="NULL";
will this dual statement will return NULL if not rewrite the statement.
3.Two tables were given and query was given on "left outer joins" and asked to write the output.
4.Query on subquery/nested query was given to select the correct o/p( 4 multiple choices were given).
5. difference between PK column and unique column.

4.Programming (10 Marks)

Write a c program
take two strings "str1" and "str2" and find the end letters of the first string
return true if found.

NCR Placement Paper : Technical - C & C++

NCR Placement Paper and Sample Paper
The pattern for the company NCR Teradata in HYD.

The exam was of 1:45 and consisted of C,C++,DataStructures, total 4(5 Marks)... but I couldn,t get thru....

Note that the code or the values may not be correct.... Just get the concept.

Predict the o/p... each 1 mark

1.
static int i;
{
i=10;
...
}
printf("%d",i);
Ans: 10

2.
#define func1(a) #a
#define func2(a,b,c) a##b##c
printf("%s",func1(func2(a,b,c)))
Ans: func2(a,b,c)

3.
const int* ptr;
int* ptr1;
int a=10;
const int p=20;
ptr=a;
ptr1=p;

4.
class a
virtual disp()
{ printf("In a");}
class b:public a
disp()
{ printf("In b");}
class c:public a
disp()
{ printf("In c");}
main()
{
a obj;
b objb;
c objc;
a=objb;
a.disp();
a=objc;
a.disp();
Ans: "In a" "In a"

5.
a="str";
char *b="new str";
char *temp;
malloc(sizeof(temp)+1,....
strcpy(a,temp);
malloc(sizeof(b)+1,....
strcpy(temp,b);

6.
int m,i=1,j=0,k=-1;
m=k++||j++&&i++;
printf("%d...",m,i,j,k);

7.
class x
{
double b;
double *l;
float &c;
}
main()
{
double g=10.34;
double *f=1.3;
float k=9;
x o;
o.b=g;
o.l=f;
o.c=k;
}

Ans: Compiler Error

Write C/C++ code for following:

For all the probs, u will have decide on wht DS to use.... and u,r program must be efficient...explain in detail... (5 Marks)

1. Find the Kth smallest element in a Binary Tree. (5 Marks)

2. Each worker does a job and is given a rating +ve,-ve or Zero.

Find the MaxSubSequenceSum for given no. of workers.

Ex: Workers=6; Ratings={1,0,-1,4,5,-3}

MaxSubSequenceSum=4+5=9 (5 Marks)

3. 1 to N ppl sitting in a circle. Each one passes a hot potato to the next person. After M passes the person holding the potato is eliminated. The last person remaining is winner. Find winner for given N,M.

Ex: N=5, M=2, Winner=4 (5 Marks)

4. Reverse a given Linked List. (5 Marks)

5. There is a file called KnowledgeBase.txt which contains some words. Given a sub-string u have to find all the words which match the word in the file.

Ex: file contains a, ant, and, dog, pen.

If I give "an" I should get o/p as "ant, and" (10 Marks)

6. Company employee have id,level,no. of sub-ordinates under him...

If a emp leaves then his sub-ordinates are assigned to any of the emp,s seniors...
Write four functions:
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