Electrical Circuits & Machines: B.E CSE Second Semester May 2013 Osmania University Question Paper

Are you looking for old question paper of Electrical Circuits & Machines for Osmania University? Here is an original paper that was asked in the year May 2013 for B.E CSE second semester main examination. Read the contents of the original question paper right from hereunder and use it for your upcoming exams.

Osmania University
Faculty of Engineering
B.E. 2/4 (M/P / CSE) II – Semester (Main) Examination, May 2013
Subject: Electrical Circuits & Machines
Time: 3 Hours
Maximum Marks: 75
Note: Answer all questions from Part A. Answer any five questions from Part B.

Part – A (25 Marks)

1. Define average and rms values of current. (3)
2.

 (5)

For the circuit shown above calculate equivalent resistance RAB. (2)
3. What do you understand by 3-phase balanced circuit? (3)
4. Define regulation of the transformer. (2)
5. What is the function of back emf in a D.C. motor? Under what conditions it would be zero. (3)
6. Mention different types of D.C. generators. (2)
7. Mention various losses in a 3-phase induction motor. (2)
8. Define slip and rotor current frequency. (3)
9. How brushless D.C. motor is differ from conventional D.C. motor. (3)
10. What is meant by slip in a 3-phase induction? (2)

Part – B (50 Marks)

11.(a) Derive the expression for energy stored in inductance. (5)
(b)

For the circuit shown above find I1, I2 and I3 using loop-current method. (5)
12.(a) From fundamentals obtain the equivalent circuit diagram of transformer. (6)
(b) Explain about autotransformer with necessary diagram. (4)
13. Three similar coils, each of resistance 20Ω and inductance of 0.5 H are connected with (a) star (b) delta to a 3-phase, 50 Hz, 400 V supply. Calculate for the both cases phase and line currents, phase and line voltages, total power absorbed and p.f. Comment on power absorbed by circuit in star and delta connection. (10)
14.(a) Explain various speed control method of D.C. motor. (5)
(b) Derive emf equation of a D.C. machine. (5)
15.(a) Explain star-delta starting of 3-phase induction motor with neat schematic diagram. (5)
(b) Explain constructional details and principle operation of 3-phase induction motor. (5)
16. Explain the following motors with neat schematic diagrams.
a) Stepper motor
b) Capacitor start motors. (10)
17.(a) List out the applications of D.C. shunt and series motor. (4)
(b) Explain about any two:
Speed control methods of 3 Phase induction motors. (6)

MA1011, MA 1251 Numerical Methods Anna University Sixth Semester 2008 Question Paper

Are you searching for "Numerical Methods" B.E Anna University old question papers? Hereunder is a paper titled "Numerical Methods" for sixth semester B.E Computer Science and Engineering department. This question paper was asked in the year 2008 in B.E/B.Tech Anna University Examinations. This paper is coded as MA1011/MA 1251 which is also common for B.E/B.Tech Information Technology (IT), Chemical Engineering (CHE), Electronics and Communication Engineering (ECE), Mechanical Engineering (ME) and Automobile Engineering (AE). Feel free to get it now.

University: Anna University Course: B.E Computer Science and Engineering Semester: 06, Sixth, VI Subject: Numerical Methods Subject Code: MA1011/MA 1251 Common to: Several other branches

Manipal University: Problem Solving Using Computers B.E CSE (Code: 101/102) 2010 Question Paper

While Manipal University admission is currently going on, the already enrolled students in Manipal will often search for model, old, sample, previous years question papers for various courses. Here, we've provided you a previous year (2010) question paper for the subject of Problem Solving Using Computers. It's for B.E Computer Science and Engineering under Manipal University. Read on to get it and make the best use of it for your upcoming exams.

MANIPAL INSTITUTE OF TECHNOLOGY  

(Constituent Institute of Manipal University)   

MANIPAL-576104 

FIRST SEMESTER B.E DEGREE ENDSEM EXAMINATION 

PROBLEM SOLVING USING COMPUTERS (CSE-101/102) 

 ( REVISED CREDIT SYSTEM ) 

Note: 
1. Answer any 5 full Questions 
2. Answer to the point . 
3. Missing data may be assumed suitably. 
4. Answer the questions in the order of question number.

1A. List and explain the various types of ROM memory.  [3 Marks]

1B. Explain the different symbols used in flowcharts [2 Marks]

1C. Describe the various basic data types of C++. [2 Marks]

1D. Define a variable. What rules are to be followed while naming variables. [3 Marks]

2A. In what order the operations in the following expression is carried out. Give all steps and final result also.                                                              [3 Marks]
 9-12/(3+3)*(2-1)*5

2B. The straight line method of computing the yearly depreciation of the value of  an item is given by
 D=(PurchasePrice - SalvageValue) /Years of Service.
Write a program to compute depreciation when PurchasePrice, SalvageValue and  Years of Service are given.                [3 Marks]

2C. Give the general format of else if ladder and switch statement along with its flowchart. [4 Marks]

3A. Write a program to
 (i) Accept the elements into a matrix A of order m x n and elements into a matrix B of order p x q
 (ii) Display the matrices A and B in matrix form
 (iii) Multiply the elements of the two matrices A and B and store it in matrix C and display the resultant matrix C in matrix form  [1+1+3= 5 Marks]

3.B. Write a C++ program to evaluate the following series up to n specified terms
 x - x
3 /3! + x5 /5! - x7 /7! + ………………..n terms          [5 Marks]

4A. Explain with syntax the built in string handling functions for performing the following operations.
(i) Determining the length of the string
(ii) Concatenating two strings.  [4 Marks]

4B. Write a C++ program to accept elements into a 1D array and sort the elements in descending order using bubble sort technique and display the same.  [4 Marks]

4.C. Differentiate between entry controlled and exit controlled loops with examples.  [2 Marks]

5a) Declare a structure book containing the following members: authorname, pages and price. Using book declare an array to store information about 3 books. Write a C++ program that will accept information for 3 books and display the same. [3 Marks]

5b)Write a function to read elements into an array.
Write a function which takes as arguments the array name and size of the array and returns the average of all the elements of the array.
Use these two functions in the main appropriately to read and find the average.
Display the array elements and the average in the main program. [4 Marks]

5c) Which of the bitwise operator retains its original value when it is applied on two operands having same value. Explain with example. [2 Marks]

5d) List all the storage class of variables [1 Mark]

6a) Create a class called car with member variables colour, cost, year_of_manufacture . Add member functions getdetails and display. getdetails is defined within the class, which takes all the information from the user. Another member function display is defined outside the class which displays all the information. Write a program to create an object of the class and invoke these functions in appropriate order.  [4 Marks]

6b) Explain the difference between the macros and functions [2 Marks]

6c) Find the output of the following
main()
{
 int a[] = {1,2,9,8,6,3,5,7,8,9};
 int *p= a+1; int *q= a+6;
 cout<< q-p <<*p+*q;}                [2 Marks]

6d) What are local and global variables.        [2 Marks]

Hindustan Institute of Technology and Science (HITE): B.E. CSE, Principles of Compiler Design 2011 Question Paper

Are you presently studying at Hindustan Institute of Technology and Science (HITE)? Looking for old question papers of "Principles of Compiler Design" ? Here under, you can find this question paper which comes under B.E Computer Science and Engineering. In 2011 university exams, this paper was asked. Read on to get your question paper!
University: Hindustan Institute of Technology and Science (HITE)
Course: B.E Computer Science and Engineering 
Subject: Principles of compiler design
Year in which question asked: 2011

PART A (10 x 2 = 20 marks)

1. What is the difference ranging from phase and pass?

2. List out the compiler construction tools.

3. What are the volumes of grammar?
4. Define "Handles".
5. What is Back patching?
6. Which language uses post-fix notation as intermediate code?
7. What is the input to Code generation routine?
8. What do you understand from next-use information?
9. What is the purpose of Basic blocks?
10. Define "Black Stripper".

PART B (5 x 16 = 80 marks)

11. (a) Discuss in detail the structure of compiler.
or
(b) With example discuss how token are identified.

12. (a) Discuss Stack implementation of shift decrease parsing with example.
or
(b) Discuss predictive parsing technique with example.

13. (a) Discuss Quadruples and Triples with example.
or
(b) How will you convert control flow representation into intermediate code?

14. (a) Discuss in detail about simple code generator.
or
(b) Provide detailed explanation about Peephole optimization.

15. (a) Discuss in detail the Global data flow analysis with illustration.
or
(b) How memory is allocated when recursive procedure is used?