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B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011

Fourth Semester

Information Technology

IT 2251 – SOFTWARE ENGINEERING AND QUALITY ASSURANCE

(Regulation 2008)

Time : Three hours Maximum : 100 marks

Answer ALL questions.

PART A — (10 × 2 = 20 marks)

1. What is meant by Independent Verification and Validation?
2. Differentiate Waterfall model with V-Model.
3. Name the components of CASE tools for structured methodology.
4. List the steps involved in requirements elicitation and analysis.
5. What is meant by heuristic evaluation?
6. List out the steps involved in real time software design.
7. What is meant by Boundary value analysis?
8. Define the term process maturity.
9. Name any four quality control tools.
10. State the benefits of QFD.

PART B — (5 × 16 = 80 marks)

11. (a) (i) Describe the process model which defines a network of activities. (8)
(ii) State as to why the first system is always a throw away system? Explain the concept with advantages and disadvantages. (8)

Or

(b) (i) Draw a system engineering hierarchy diagram and explain the concept. (8)
(ii) Explain the process model that combines the elements of waterfall and iterative fashion. (8)
12. (a) Give a brief description of software prototyping and briefly discuss the various prototyping techniques. (16)

Or

(b) With an example describe the three process steps for transforming a dataflow diagram to a structure chart. (16)
13. (a) (i) Draw a translating diagram for analysis model into a software design Specification. (8)
(ii) Give a complete template for documentation design specification. (8)

Or

(b) (i) Which is a measure of interconnection among modules in a program structure?Explain. (8)
(ii) What is the difference between Level-0 and Level-1 DFD? Draw a Level-0 and Level-1 DFD for safe Home Security System. (8)
14. (a) (i) What are all the formulas for cyclomatic complexity? Calculate cyclomatic Complexity for greatest of three numbers. (8)
(ii) How would you derive test cases for the given project? Explain in detail. (8)

Or

(b) (i) Narrate the path testing procedure in detail with a sample code.(8)
(ii) Explain the different integration testing approaches. (8)
15. (a) Explain how software process assessment helps software organizations to improve themselves. (16)
Or
(b) Write detailed notes on ISO9000 series of quality management standards. (16)

II B.Tech II Semester Regular Examinations, Apr/May 2008

SOFTWARE ENGINEERING

( Common to Computer Science & Engineering, Information Technology

and Computer Science & Systems Engineering)

Time: 3 hours Max Marks: 80

Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Elaborate on evolution of software. [16]
2. (a) Differentiate between prototyping and incremental models.
(b) Explain the unified approach to software development. Discuss the merits and
demerits of this approach. [6+6+4]
3. Discuss about principal requirements engineering activities and their relationships.
[16]
4. (a) Define and explain about coupling and cohesion. Also differentiate between
them.
(b) Discuss the statement, “Abstraction and refinement are complementary con-
cepts”. [5+3+8]
5. (a) What is meant by User Interface? What are the three areas that user interface
design focuses? Explain them.
(b) Discuss the importance of user interface design? [10+6]
6. (a) The software analysis and design are constructive tasks, and software testing
is considered to be destructive from the point of view of developer. Discuss.
(b) Who will test the software, either developer or an independent test group?
Discuss the advantage and draw backs of each one.
[8+8]
7. (a) Compute the function point value for a project with the following information
domain characteristics.
Number of external inputs: 32
Number of external outputs: 60
Number of external inquires: 24
Number of external interface files: 2
Number of internal logical files: 8
Assume that all complexity adjustment values are average.
(b) What is an indirect measure? And how are such measures common in software
metrics work? [8+8]
8. (a) What is meant by FTR? Discuss about review reporting and record keeping.
(b) State and explain the guidelines for formal technical reviews. [8+8]
1 of 2

II B.Tech II Semester Regular Examinations, Apr/May 2008

SOFTWARE ENGINEERING

( Common to Computer Science & Engineering, Information Technology

and Computer Science & Systems Engineering)

Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Give a generic view of Software Engineering. [16]
2. Discuss various evolutionary software process models in detail. [16]
3. Discuss an example of a type of system where social and political factors might
strongly influence the system requirements. Explain why these factors are impor-
tant in your example. [16]
4. (a) Define and explain abstraction and refinement. Also differentiate between
them.
(b) What is refactoring? Why is it done? [4+4+3+5]
5. (a) What is a state machine model? Discuss with an example.
(b) What is Object interface specification? Write a Java description of weather
station interface. [8+8]
6. (a) Discuss about Security testing and Performance testing.
(b) State and explain various debugging tactics.
(c) What are the questions that every software engineer should ask before making
the “Correction” that remove the cause of a bug? [6+4+6]
7. (a) Discuss about software tools for project and process metrics.
(b) Discuss any four useful indicators for software quality. [8+8]
8. (a) Is it possible asses the quality of software if the customer keeps changing?
What it is supposed to do?
(b) Can a program be correct and still not exhibit good quality? Explain. [8+8]

II B.Tech II Semester Regular Examinations, Apr/May 2008

SOFTWARE ENGINEERING

( Common to Computer Science & Engineering, Information Technology

and Computer Science & Systems Engineering)

Time: 3 hours Max Marks: 80

Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Explain the five software assessment principles.
(b) Discuss about various phases of assessment. [6+10]
2. (a) What is water fall model? How is it different from other engineering process
models?
(b) Explain various types of evolutionary development. [5+5+6]
3. (a) Why requirements review is conducted? Discuss various types of it.
(b) What is requirements management? Why is it needed? [8+8]
4. (a) Define interface. Discuss various types of interfaces. Give examples for each.
(b) What is component? Also explain about component diagrams. [3+3+3+3+4]
5. (a) State the design principles suggested by Mayer for OOD.
(b) OOD tends to be programming language dependent. Why? [8+8]
6. (a) List some of the problems that might be associated with the creation of an
independent test group.
(b) Why is a highly coupled module is difficult to unit test? [8+8]
7. (a) Discuss the seven principles of risk management which were identified by SEI.
(b) Distinguish between generic risks and product specific risks. [10+6]
8. A Formal Technical Review (FTR) effective only if every one has prepared in ad-
vance. How do you recognize a review participant who has not prepared? What
do you do if you are the review leader? [16]

II B.Tech II Semester Regular Examinations, Apr/May 2008

SOFTWARE ENGINEERING

( Common to Computer Science & Engineering, Information Technology

and Computer Science & Systems Engineering)

Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Explain the five software assessment principles.
(b) Discuss about various phases of assessment. [6+10]
2. (a) What is water fall model? How is it different from other engineering process
models?
(b) Explain various types of evolutionary development. [5+5+6]
3. Using your own knowledge of how an ATM is used, develop a set of use-cases that
could be used to derive the requirements for an ATM system. [16]
4. (a) Discuss the advantages and disadvantages of modularization.
(b) Why should not we over modularize? How would you decompose a software
solution to obtain the best set of modules. [8+3+5 ]
5. Draw a sequence diagram showing the interactions of objects in a group diary
system when a group of people arrange a meeting. [16]
6. (a) What is the overall strategy for software testing? Explain it clearly.
(b) Discuss a testing strategy for Object-Oriented architectures. [10+6]
7. (a) Explain the size-oriented metrics with an example.
(b) Discuss about Function-oriented metrics. [8+8]
8. What is meant by SQA? Discuss in detail SQA activities. [16]

ME 1351 HEAT AND MASS TRANSFER QUESTION BANK-QUESTION PAPER NOV/DEC 2010 - previous year anna university chennai question papers

Heat and Mass Transfer question bank or all unit download:-

CLICK HERE to download heat and transfer

 syllabus
1.CONDUCTION 11
Basic Concepts – Mechanism of Heat Transfer – Conduction, Convection and Radiation – General Differential equation of Heat Conduction – Fourier Law of Conduction – Cartesian and Cylindrical Coordinates – One Dimensional Steady State Heat Conduction – Conduction through Plane Wall, Cylinders and Spherical systems – Composite Systems – Conduction with Internal Heat Generation – Extended Surfaces – Unsteady Heat Conduction – Lumped Analysis – Use of Heislers Chart.

2.CONVECTION 10
Basic Concepts – Convective Heat Transfer Coefficients – Boundary Layer Concept – Types of Convection – Forced Convection – Dimensional Analysis – External Flow – Flow over Plates, Cylinders and Spheres – Internal Flow – Laminar and Turbulent Flow – Combined Laminar and Turbulent – Flow over Bank of tubes – Free Convection – Dimensional Analysis – Flow over Vertical Plate, Horizontal Plate, Inclined Plate, Cylinders and Spheres.

3. PHASE CHANGE HEAT TRANSFER AND HEAT EXCHANGERS 9
Nusselts theory of condensation-pool boiling, flow boiling, correlations in boiling and condensation. Types of Heat Exchangers – LMTD Method of heat Exchanger Analysis – Effectiveness – NTU method of Heat Exchanger Analysis – Overall Heat Transfer Coefficient – Fouling Factors.

4. RADIATION 8
Basic Concepts, Laws of Radiation – Stefan Boltzman Law, Kirchoff Law –Black Body Radiation –Grey body radiation Shape Factor Algebra – Electrical Analogy – Radiation Shields –Introduction to Gas Radiation.

5.MASS TRANSFER 7
Basic Concepts – Diffusion Mass Transfer – Fick’s Law of Diffusion – Steady state Molecular Diffusion – Convective Mass Transfer – Momentum, Heat and Mass Transfer Analogy – Convective Mass Transfer Correlations

TUTORIAL 15 TOTAL : 60
Note: (Use of standard heat and mass transfer data book is permitted in the University examination)

TEXT BOOKS
Sachdeva R C, “Fundamentals of Engineering Heat and Mass Transfer” New Age International, 1995.
Yadav R “Heat and Mass Transfer” Central Publishing House, 1995.

REFERENCES

Ozisik M.N, “Heat Transfer”, McGraw-Hill Book Co., 1994.
Nag P.K, “ Heat Transfer”, Tata McGraw-Hill, New Delhi, 2002
Holman J.P “Heat and Mass Transfer” Tata McGraw-Hill, 2000.
Kothandaraman C.P “Fundamentals of Heat and Mass Transfer” New Age International, New Delhi, 1998
Frank P. Incropera and David P. DeWitt, “Fundamentals of Heat and Mass Transfer”, John Wiley and Sons, 1998.
6 Velraj R, “Heat & Mass Transfer”, Ane Books, New Delhi, 2004

ANNA UNIVERSITY MANUFACTURING TECHNOLOGY-I,II IMPORTANT QUESTIONS-QUESTION BANKS

THIS IS QUSTION BANK FOR MANUFACTURING TECHNOLOGY -ME2252  

PART-A & PART-B HAS UPDATED 

MECHNICAL ENGINEERING

QUESTION BANK

      

PART-A

1. What is the difference between a ram type turret lathe and saddle type turret lathe?
2. What are the common work holding devices used on milling machines?
3. Why is it essential that the cutting point of the tool should be level with the spindle center while machining taper on a work-piece
4.  Give two examples of orthogonal cutting
5. Under what conditions planning operation would be preferred over other machining processes like milling, broching, shapping, etc
6.  What are the four important characteristics of materials used for cutting tools?
7. What for lapping is used?
8. State the abrasives used in the manufacture of grinding wheels.
9. What is the difference between incremental and absolute system?
10. What is the role of computer for NC machine tool?
11. What are the factors responsible for built –up edge in cutting tools?
12. What is electro chemical wear in tools?
13. Mention four different types of chucks used in a machine shop.
14. What is rake angle? What is the effect of nose radius in tools?
15. What is up milling and down milling operations?
16. Mention the major elements of NC machines.
17. What is roller burnishing process?
18. Define NC
19.  Mention four important factors that influences the selection of grinding wheels.
20. What you know about straight fluted drill and fluted drill?

PART-B

1. Expain the geometry of single point cutting tool with suitable sketches

2. Explain the basic actions of cutting fluids.

3. During the orthogonal cutting, the following data where recorded

      Back rake angle = 25 deg

      Chip thickness = 0.15 mm/rev

      Length of chip = 40 mm

      Length of chip = 100 mm

      Width of chip before cut = 3.5 mm

      Coefficient of friction = 0.75

      Cutting speed Vc = 250 m/mm

      Average shear stress = 250 N/mm

Determine power consumption.

4. Explain the thread cutting operation in a lathe with a neat sketch. Also make a note on knurling, grooving and forming operations in a lathe.

5. Discuss the features of ram type and saddle type turret

6. Explain the features of multi spindle automatics.

7. With the sketches explain the features of the major elements of a twist drill

8. Explain different types of milling cutters

9. Make a note on different types of work holding devices used in a slotting machine.

10. Explain the different types of table drive and feed mechanisms in a planning machine.

11. Explain the salient features of a centre less grinding machine and discuss the different operations that can be carried out in it. Mention some advantages.

12. Briefly discuss about different types of abrasives used in a grinding wheel.

13. Explain the gear shaving, gear honing and gear lapping processes.

14. Discuss the important design features of CNC machine tools. 

15. Write Short notes on:

      i  NC machine tool classification

      ii. APT programming structure

      iii G and M codes

      iv CNC machine Vs Conventional machine

16. Explain the conditions that promote the formation of the following types of chip

      i. Continuous chips without built up edge

      ii. Continuous chips with built up edge

      iii. Discontinuous chip

17. Define the Various tool parts of a single point cutting tool with a neat sketch.

18. What are the slandered angles of cutting tool? Illustrate with an example.

19. Describe some of the methods and equipment for holding work on a lathe.

20. Explain any four commonly used attachments on lathe.

21. Briefly explain the principle of working of the sliding head type single spindle automatic machine.

22. Describe with neat sketch a turret automatic screw machine.

23. State the advantages of Ward-Leonard drive.

24. Explain with a sketch “Fast and Loose pulley” quick return mechanism of a planer table.

25. State the methods of holding milling cutters.

26. Explain simple indexing, compound indexing and differential indexing with suitable example.

27. State the advantages and limitations of broaching.

28. Compare gear hobbing with gear shaping.

29. Explain self-sharpening characteristics of grinding wheel.

30. Describe the use of cutting fluids in grinding.

31. Explain wheel truing and dressing.

32. State a few typical applications where the use of numerical control would be justified.

33. Describe in brief the basic components of a tape-operated NC machine tool.

34. Discuss the advantages of computer numerical control system.

35. What is the difference between positioning machines and contouring machines?