B.E/B.Tech. DEGREE EXAMINATION, MAY/JUNE 2007.
(b) (i) Draw the basic block diagram of a digital computer and explain the functions of each unit (8) (ii) Classify computer? based on their usage and explain their characteristics. (8) 12. (a) (i) What are the functions of an operating systems? (14) (ii) What are the merits of High level languages? (3) (iii) Show the step-by-step division process when (—160)/(+12) is computed. (9) Or (b)(i) Explain the working of an interpreter using a flow chat. (ii) Explain how multiplication and division of binary numbers can be done using arithmetic shift operation. (8) 13. (a) (i) Draw the flow chart for find the sum of all the odd numbers in a given set of numbers. (8 (ii) Describe the features of MS-word. (8) Or (b)(i) Describe the features of Spreadsheet What are its applications? (8) (ii) Write a pseudo code for finding the factorial of given number, (8) 14. (a) (i) Explain the following control statements using examples: WHILE statement; IF ELSE IF statement. (8) (ii) Write a C program to read s line of mixed text and to display after converting all upper case to lower case, all digits to O and all other special characters to*.(8) Or (b) (i) Write a C program to sort the elements of an n x n matrix and to display the elements in the following pattern: (8) 5 4 3 6 1 2 7 8 9 (ii) With examples, explain how input and output operations are managed in C.(8) 15. (a) (i) Write a C program using pointers to concatenate two strings. (8) (ii) Write notes on preprocessor directives. (8) Or (b) (i) Write a C program to read m x n matrix and to check whether the element of last column of each row is the sum of the elements of the other columns in that row. (8) (ii) Explain the use of structure within a structure and array of structures using examples. (8)
Anna University
B.E./B.Tech. DEGREE EXAMINATIONS, MAY/JUNE 2010
Regulations 2008
First Semester
Common to all branches
GE2112 Fundamentals of Computing and Programming
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
Part A - (10 x 2 = 20 Marks)
1. What a re Mainframe computers? Give t he name of any one Mainframe computer.
2. Convert 0.4375 decimal to binary system.
3. Differentiate between hardware and software.
4. What do you mean by URL? Mention its uses.
5. Write down steps involved in writing a program to solve a problem.
6. Define the term Assembler
7. List out the rules to be followed i n forming a n identifier.
8. Write a C program for the following expressions.
9. What do you mean by a pointer? Mention its uses..
10. Determine the output for the following printf statements
Part B - (5 x 16 = 80 Marks)
11. (a) Explain in detail t he evolution of computers. (16)
OR
11. (b) (i) How does one specify t he configuration of a computer system? Give t he signifi- cance of each term in it. (6)
(ii) Convert t he hexadecimal number A5B to octal number.Explain each step involved in t he conversion. (10)
12. (a) (i) What is system software? Explain various system software i n detail. (8) (ii) Briefly explain t he steps i n software development. (8)
OR
12. (b) (i) What is an internet? Explain its evolution a nd its services (8)
(ii) Explain how internet connection can be established? (8)
13. (a) (i) Write down the algorithm to find th e largest number among three given numbers and outline t he steps i n the algorithm with th e inputs 5, 17, 3. (8)
(ii) Draw flowchart to compute the salary of a n employee i n a company. Assume that there a re two types of employees in t he company daily wages and regular. Salary is calculated as number of hours worked* wages per hour for daily wagers and basic pay +(% of DA * basic pay)/100 + HRA + medical allowance for regular employees. Sketch the flow of your design for a regular employee with basic pay = 5000, % of DA = 75 % a nd HRA = 500. (8)
OR
13. (b) (i) What is pseudo code? Explain how it can be designed a nd its benefits a nd limitations. (8)
(ii) Briefly discuss about word processor a nd spread sheets. (8)
14. (a) (i) Develop a C program that computes and prints a table of factorials for a given integer (8)
(ii) Describe the features of different data types i n C (8) OR
14. (b) (i) Explain briefly t he formatted a nd unformatted I/O functions in C. (8)
(ii) Write a C program to evaluate the following series.
15. (a) (i) Briefly explain the various string handling functions in C. (4) (ii) What do you mean by call by reference? Write a program i n C to exchange t he value of two variables using call by reference. (6)
(iii) Write a C program to find the largest an d smallest number in t he given array.(6)
OR
15. (b) (i) Write a C program to find th e factorial of a given number using recursion. (6)
(ii) Write a C program to accept records of 20 states using array of structures. The structure should contain name of the state and number of engineering colleges, medical colleges, management colleges, science colleges. Calculate a nd display the total colleges i n each state and th e state which is having highest number of colleges. (10)
B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2010
Regulations 2008
First Semester
Common to all branches
GE2112 FUNDAMENTALS OF COMPUTING AND PROGRAMMING
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
Part A - (10 x 2 = 20 Marks)
1. Distinguish between Analog and Digital computer.
2. Convert 0.4375 decimal to binary system.
3. Distinguish between compilers an d interpreters.
4. What is a web server?
5. What i s an algorithm?
6. Give the importance of a graphics packages.
7. Write a code segment using while statement to print numbers from 10 down to 1.
8. Write a C program for the following expressions.
(i) a=5 <= 8 && 6!=5
(ii) a = b++ + ++b where b = 50
9. How strings ar e represented in language C?
10. What are the advantages of unions over structures?
Part B - (5 x 16 = 80 Marks)
11. (a) (i) What are th e characteristics of a computer? Discuss (6) (ii) Briefly explain t he various generations of computers. (6) (iii) Convert the decimal number 59.8125 into binary an d octal. (4)
OR
11. (b) Explain the different components of a computer system with block diagram. (16)
12. (a) (i) Describe the different types of software with examples. (8) (ii) List the different software development steps an d explain. (8)
OR
12. (b) (i) Explain the common types of internet access. (6) (ii) Write short notes on web browser. (5)
(iii) Explain a typical structure of URL. (5)
13. (a) Draw a nd explain th e various symbols of flowchart and also draw the flowchart to add an array of N elements. (16)
OR
13. (b) (i) Explain the features of PowerPoint package. (6) (ii) List a nd explain th e features supported by spreadsheet package. (6) (iii) Briefly write about Desktop Publishing Software. (4)
14. (a) (i) What are th e different operators available in C? Explain with examples. (12)
(ii) Differentiate between signed a nd unsigned integer. (4) OR
14. (b) (i) Explain th e following conditional statements. (10)
1. nested if-else statement
2. switch-case statement
(ii) Write a C program that reads a number and display whether the number is prime or not. (6)
15. (a) (i) Write a C program to reverse a given string. (10) (ii) Differentiate pass by value and pass by address in C. (6)
OR
15. (b) Write a C program that gets and displays th e report of n students with their personal and academic details using structures. (16)
Anna University
B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2010
Regulations 2008
First Semester
Common to all branches
GE2111 ENGINEERING GRAPHICS
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
(5 x 20 = 100 Marks)
1. (a) The focus of a conic is 50 mm from the directrix. Draw the locus of a point ‘P’ moving in such a way that its distance from the directrix is equal to its distance from t he focus. Name the curve. Draw a tangent to the curve at a point 60 mm from the directrix. (20)
OR
1. (b) Make free hand sketches of t he front, top an d right side views of the object shown below : (20)
2. (a) The projections of a line measures 80 mm i n the top view and 70 mm in the front view. The mid point of the line is 45 mm in front of VP an d 35 mm above HP. One end is 10 mm in front of VP and nearer to it. The other end is nearer to HP. Draw the projections of the line. Find the true length and true inclinations. (20)
OR
2. (b) Draw the projections of a circle of 70 mm diameter resting on the H.P. on a point A of the circumference. The plane is inclined to t he H.P. such that the top view of it is a n ellipse of minor axis 40 mm. The top view of the diameter, through the point A is making an angle of 45◦ with the V.P. Determine the inclination of the plane with the H.P. (20)
3. (a) An equilateral triangular prism 20 mm side of base and 50 mm long rests with one of its shorter edges on HP such that t he rectangular face containing th e edge on which the prism rests is inclined at 30◦ to H.P. The shorter edge resting on HP is perpendicular to VP. (20)
OR
3. (b) Draw t he projections of a hexagonal pyramid with side of the base 30 mm and axis 70 mm long, when it is resting with one of the base sides on HP such that the triangular face containing that side is perpendicular to HP and axis is parallel to VP. (20)
4. (a) A vertical cylinder 40 mm diameter is cut by a vertical section plane making 30◦ to VP i n such a way that the true shape of the section is a rectangle of 25 mm an d 60 mm sides. Draw the projections an d true shape of t he section. (20)
OR
4. (b) A regular hexagonal pyramid side of base 30 mm and height 60 mm is resting vertically on its base on HP, such that two of its sides of the base are perpendicular to VP. It is cut by a plane inclined at 40◦ to HP and perpendicular to VP. The cutting plane bisects the axis of the pyramid. Obtain the development of the lateral surface of the truncated pyramid. (20)
5. (a) A cylinder of 50 mm diameter and 75 mm height stands with its base on H.P. It is cut by a section plane inclined at 45◦ to H.P and perpendicular to V.P, passing through a point on the axis 20 mm below the top end. Draw the isometric projection of t he truncated cylinder. (20)
OR
5. (b) Draw the perspective projection of a cube of 25 mm edge, lying on a face on t he ground plane, with an edge touching t he picture plane an d all vertical faces equally inclined to the picture plane. The station point is 50 mm in front of th e picture plane, 35 mm above the ground plane an d lies in a central plane which i s 10 mm to th e left of the center of t he cube. (20)
Anna University
B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2010
Regulations 2008
First Semester
Common to all branches
GE2111 ENGINEERING GRAPHICS
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
(5 x 20 = 100 Marks)
1. (a) Draw a hyperbola when the distance between its focus an d directrix is 50 mm and eccentricity is 3/2. Also draw the tangent an d normal at a point 25 mm from the directrix. (20)
OR
1. (b) Make free hand sketches of front, top and right side views of the 3D object shown below : (20)
Fig. 1.(b)
2. (a) A line PQ has its end P, 10 mm above th e HP and 20 mm in front of t he VP. The end Q is 35 mm in front of t he VP. The front view of t he line measures 75 mm. The distance between th e end projectors is 50 mm. Draw the projections of t he line an d find its true length and its true inclinations with th e VP and HP. (20)
OR
2. (b) Draw th e projections of a circle of 70 mm diameter resting on t he H.P. on a point A of t he circumference. The plane is inclined to the H.P. such that th e top view of it i s an ellipse of minor axis 40 mm. The top view of t he diameter, through the point A is making an angle of 45◦ with t he V.P. Determine the inclination of the plane with th e H.P. (20)
3. (a) An equilateral triangular prism 20 mm side of base a nd 50 mm long rests with one of its shorter edges on HP such that the rectangular face containing th e edge on which the prism rests is inclined at 30◦ to H.P. The shorter edge resting on HP is perpendicular to VP. (20)
OR
3. (b) A square pyramid of base 40 mm a nd axis 70 mm long has one of its triangular faces on VP a nd th e edge of base contained by that face perpendicular to HP. Draw its projections. (20)
4. (a) A hexagonal prism of side of base 35 mm and axis length 55 mm rests with its base on H.P such that two of the vertical surfaces ar e perpendicular to V.P. It is cut by a plane inclined at 50◦ to H.P a nd perpendicular to V.P an d passing through a point on the axis at a distance 15 mm from th e top. Draw its front view, sectional top view and true shape of section. (20)
OR
4. (b) Draw the development of the lateral surface of the lower portion of a cylinder of diameter 50 mm a nd axis 70 mm. The solid is cut by a section plane inclined at 40◦ to HP and perpendicular to VP an d passing through the midpoint of the axis. (20)
5. (a) Draw th e isometric projection of t he object from th e views shown in Figure 5(a). (20)
OR
5. (b) Draw the perspective projection of a cube of 25 mm edge, lying on a face on th e ground plane, with an edge touching the picture plane and all vertical faces equally inclined to th e picture plane. The station point is 50 mm in front of the picture plane, 35 mm above th e ground plane and lies in a central plane which is 10 mm to t he left of the center of the cube. (20)
Anna University
B.E./B.Tech. DEGREE EXAMINATIONS, MAY/JUNE 2010
Regulations 2008
First Semester
Common to all branches
GE2111 Engineering Graphics
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
(5 x 20 = 100 Marks)
1. (a) Draw t he locus of a point P which moves i n a plane in such a way that the ratio of its distances from a fixed point F a nd a fixed straight line AB is always 2/3. The distance between t he fixed point F a nd fixed straight line i s 50 mm. Also draw a tangent and normal on a point on th e locus at a horizontal distance of 55 mm from t he fixed straight line. (20) OR
1. (b) Draw free hand sketches of t he front, top a nd right side views of the object shown in Fig. 1(b). (20)
2. (a) The projections of a line measures 80 mm i n th e top view a nd 70 mm i n t he front view. The mid point of the line is 45 mm i n front of VP a nd 35 mm above HP. One end i s 10 mm i n front of VP and nearer to it. The other end is nearer to HP. Draw t he projections of t he line. Find t he true length and true inclinations. (20)
OR
2. (b) A square lamina ABCD of 40 mm side rests on the corner C such that the diagonal AC appears to be at 30◦ to th e VP i n t he top view. The two sides BC a nd CD containing the corner C make equal inclinations with th e HP. The surface of t he lamina makes 45◦ with HP. Draw th e top a nd front views. (20)
3. (a) Draw t he projections of a cone of base diameter 50 mm and axis of length 70 mm resting on t he ground on one of its generators with t he axis of cone parallel to VP. (20)
OR
3. (b) A right regular hexagonal pyramid, edge of base 25 mm and height 50 mm, rests on one of its base edges on HP with its axis parallel to VP. Draw the projections of t he pyramid when its base makes a n angle of 45◦ to the HP.
(20)
4. (a) A square pyramid of base side 25 mm and height 40 mm rests on HP with its base edges equally inclined to VP. It is cut by a plane perpendicular to VP a nd inclined at 30◦ to HP meeting t he axis at 21 mm from t he base. Draw the sectional top view an d true shape of t he section. (20)
OR
4. (b) A vertical hexagonal prism of 30 mm side of base a nd axis 65 mm long has one of its rectangular faces parallel to VP and nearer to it. A circular hole of 40 mm diameter is drilled through t he prism completely such that th e axis of t he hole bisects t he axis of the prism at right angles and is perpendicular to VP. Draw t he development of t he prism showing the shape of the hole on it. (20)
5. (a) A right circular cone of diameter 30 mm base a nd height 36 mm rests centrally on top of a square block of 48 mm side and 22 mm thick. Draw th e isometric projection of t he two solids. (20)
OR
5. (b) A pentagonal pyramid side of base 25 mm a nd height 50 mm rests with one of its corner of the base touching th e picture plane and th e base edges passing through this corner making equal inclinations with t he picture plane. The station point i s on t he central line, 100 mm in front of t he picture plane and 75 mm above th e ground. Draw t he perspective view of t he pyramid. (20)
B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2010
Regulations 2008
First Semester
Common to all branches (except Marine Engg)
CY2111 ENGINEERING CHEMISTRY I
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
Part A - (10 x 2 = 20 Marks)
1. Calculate the hardness of a water sample containing 2.4 mg of calcium chloride i n
500 ml of water.
2. What is calgon? How does it function in water treatment?
3. Why thermosetting plastics can not be remoulded?
4. What i s the role of sulphur in the vulcanization of rubber?
5. Compare absorption a nd adsorption.
6. Mention any four applications of adsorption.
7. Furnish the sequence of reactions in proton cycle nuclear fusion.
8. Give any two advantages of alkaline battery over dry cell.
9. Define refractoriness of a refractory.
10. What are nanomaterials? Mention any two of their characteristic properties.
Part B - (5 x 16 = 80 Marks)
11. (a) (i) How is temporary hardness of water estimated by EDTA method? (8)
(ii) What are the requirements of potable water? How will you purify water for drinking purpose? (8)
OR
11. (b) (i) What are ion exchange resins? How ar e they useful in removing hardness of water? (8)
(ii) What i s desalination? With a neat diagram, describe the ‘reverse osmosis’ method for th e desalination of brackish water. (8)
12. (a) (i) How are the following polymers prepared? (8)
(1) Teflon
(2) Polystyrene
(3) PET
(4) Nylon 6, 6.
(ii) Explain the mechanism of free radical addition polymerization. (8)
OR
12. (b) (i) What is natural rubber? Explain why natural rubber needs vulcanization. How is it carried out? (8)
(ii) What are composites? Give the preparation an d uses of glass fibre rein- forced composites and carbon fibre reinforced composites.(8)
13. (a) (i) Compare physisorption and chemisorption. (8)
(ii) Adsorption of gases on solids is greatly influenced by temperature, pressure and nature of t he adsorbent an d adsorbate. Justify. (8)
OR
13. (b) (i) Describe the role of adsorbents in catalysis with examples.(8)
(ii) How i s th e ion exchange adsorption useful in demineralization of water? Explain. (8)
14. (a) (i) Explain with a neat diagram t he parts and functions of a nuclear reactor. (8)
(ii) Write a note on photovoltaic cell. (8)
OR
14. (b) (i) Explain the working of hydrogen-oxygen fuel cell. (8)
(ii) Write a short note on lithium batteries. (8)
15. (a) (i) How are alumina an d carborundum manufactured? (12)
(ii) What are refractories? How ar e they classified?. (4)
OR
15. (b) (i) What are fluid an d boundary lubrications? Explain. (8)
(ii) What are carbon nanotubes? Explain any three of their important appli- cations. (8)
B.E/B.Tech, DEGREE EXAMINATION, JANUARY 2009.
First Semester
Civil Engineering
CY 2111— ENGINEERING CHEMISTRY – I
(Common to all branches of B.E.IB.Tech. Except Marine Engineering)
(Regulation 2008)
Time : Three hours
Maximum: 100 marks
Answer ALL questions.
PART A —(10 x 2 =20 marks)
1. What is the hardness of a solution containing 0.585 grams of NaCl and
0.6 grams of MgSO4 per litre?
2. How is the exhausted zeolite softener bed regenerated?
3. Explain functionality of a monomer with a suitable example.
4. Explain condensation polymerization with a suitable example.
5. What is the role of adsorband in catalysis?
6. What is the effect of increase in temperature and increase in pressure on the
adsorption of a gas on a solid?
7. What is a breeder reactor?
8. State the reaction when a lead storage battery is recharged.
9. Give two examples for neutral refractory.
10. Explain the lubrication action of graphite.
PARTB—(5x 16=80 marks)
11. (a) (i) Explain the softening of water by deionisation process. (8)
(ii) How is the temporary and permanent hardness of water determined? (8)
Or
(b) (i) What is meant by reverse osmosis? Explain the purification of water by reverse osmosis. (8)
(ii) Explain the softening of water by zeolite process. (8)
12. (a) (i) Write the mechanism of free radical polymerization. (8)
(ii) Discuss the synthesis and uses of SER and Eutyl rubbers. (8)
Or
(b) (i) Give an account on fibre reinforced plastics. (10)
(ii) Describe the synthesis of polyurethane and state its uses. (6)
13. (a) (i) Derive the Langmuir Adsorption Isotherm and interpret the results
(1) at Low pressure and
(2) at high pressure. (10)
(ii) Distinguish between Physisorption and Chemisorption. (6)
Or
(b) (j) State Friendlich adsorption isotherm and explain the ternis in it. Explain the different types of adsorption isotherms of gases on solid. (10)
(ii) Discuss the role of adsorbands in pollution abatement. (6)
14. (a) (i) Give an account on H2 —02 fuel cell. (8)
(ii) Explain the construction and working of a Cd-Ni cell. (8)
Or
(b) (i) Describe using a block diagram the light water nuclear reactor for power generation. (10)
(ii) Give an account of solar cells. (6)
15. (a) (i) What are the characteristics of a good refractory? Write a note on carborundum. (8)
(ii) What are lubricants? Discuss the different types of lubrication. (8)
Or
(b) Write short notes on any TWO of the following:
(i) Carbon nanotubes (8)
(ii) Refractoriness (8)
(iii) Synthetic abrasives. (8)
Question Paper Code: E3068
B.E./B.Tech. DEGREE EXAMINATIONS, MAY/JUNE 2010
Regulations 2008
First Semester
Common to all branches (except Marine Engg)
CY2111 Engineering Chemistry I
Time: Three Hours
Maximum: 100 Marks
Answer ALL Questions
Part A - (10 x 2 = 20 Marks)
1. How i s water sterilized by ozone?
2. What i s calgon conditioning?
3. Why thermosetting plastics can not be remoulded?
4. Mention two advantages of polymer matrix composites.
5. What is Freundlich’s adsorption isotherm?
6. Mention any four applications of adsorption.
7. Distinguish between nuclear fission a nd fusion reactions.
8. What are th e applications of lithium batteries?
9. What i s meant by thermal spalling with respect to a refractory?
10. Under w hat situations solid lubricants are used?
Part B - (5 x 16 = 80 Marks)
11. (a) (i) 0.28 g of CaCO3 was dissolved in HCl a nd t he solution w as made upto one litre with distilled water. 100 ml of the above solution required 28 ml of EDTA solution on titration. 100 ml of a hard water sample required 33 ml of same EDTA solution on titration. Another 100 ml of t he same water, after boiling, cooling a nd filtering required 10 ml of EDTA solution on titration. Calculate the temporary and permanent hardnesses of water. (8)
(ii) What i s break point chlorination? Indicate its significance.(4)
(iii) 100 ml of raw water sample on titration with N/50 H2SO4 required 12 ml of the acid to phenolphthalein endpoint an d 15.5 ml of t he acid to methyl orange indicator. Determine th e type a nd amount of alkalinity present i n the water sample. (4)
OR
11. (b) (i) Explain th e demineralization of water by ion-exchange process. How a re exhausted cation an d anion exchange resins regenerated? (8)
(ii) What i s reverse osmosis? Explain desalination of water by reverse osmosis method. What a re the advantages of RO method? (8)
12. (a) (i) Distinguish between addition and condensation polymerizations with one example each. (8)
(ii) Give th e preparation a nd uses of Lexan. (4) (iii) Mention t he properties of engineering plastics. (4)
OR
12. (b) (i) What is vulcanization? Explain why natural rubber needs vulcanization. How i s it carried out? (8) (ii) What are composites? Write a detailed note on fibre-reinforced compos- ites. (8)
13. (a) (i) Differentiate between physisorption an d chemisorption. (8)
(ii) What a re t he various factors influencing t he adsorption of a gas on a solid? (8)
OR
13. (b) (i) What is t he role of adsorbents i n catalysis? (8)
(ii) What is t he role of activated carbon i n air and water pollution control? (8)
14. (a) (i) With a neat sketch explain th e working of light water nuclear power plant. (8)
(ii) Write a note on solar cells. (8)
OR
14. (b) (i) What i s reversible battery? Describe th e construction a nd working of Lead acid storage battery with reactions occurring during charging a nd discharging cycles. (8)
(ii) What are fuel cells? Describe th e construction and working of H2-O2 fuel cell. (8)
15. (a) (i) Explain any five properties of refractories? (10) (ii) What a re abrasives? How a re they classified? Give one example for each.(6)
OR
15. (b) (i) What are fluid an d boundary lubrications? Explain. (8) (ii) What are carbon nanotubes? Explain any three of their important appli- cations. (8)
