Page 1 of 2 Code No: R18A0012 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019

Applied Physics (EEE, ECE, CSE & IT) Roll No Time: 3 hour s Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE

Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 a) What are Matter waves? Mention any four properties of Matter wav es.

b) Describe Davison -Germer experiment in detail to support the Debroglie’s idea of matter waves . [6M] [8M] OR 2 a) Construct Schrodinger’s time independent wave equation for free particle

in three dimensions.

b) State and e xplain Heisenberg’s uncertainty p rinciple in detail . [10M] [4M] SECTION -II 3 Explain in detail about the behaviour of an electron moving in a field of periodic potential using Kronig – Penny model. [14M]

OR 4 a) What are the assumptions of classical free electron theory? Mention a ny two drawbacks.

a) Distinguish Conductors, Insulators and Semiconductors on the basis of Band theory of solids. [8M] [6M] SECTION -III 5 a) Construct an expression for concentration of holes in P -type

semiconductor.

b) Distinguish between Intrinsic and Extri nsic semiconductors with suitable examples . [10M] [4M] OR 6 a) State and explain Hall Effect in detail. Derive the expression for Hall

Coefficient. Write the applications of Hall Coefficient.

b) The Hall coefficient of a speci men is 7.35X10-5 M3/cm. Then find the nature of semiconductor and Concentration of charge carriers. [10M] [4M] SECTION -IV 7 a) What is meant by Polarization in Dielectrics ? Explain the various types of

Polarization s in Dielectric materials.

b) Derive an expression for Ionic Polariza bility . [4M] 10M] OR 8 a) What is Hysteresis? Draw the Hysteresis curve and explain the H ysteresis phenomenon in F erromagnetic ma terials based on domain theory of

ferromagnetism.

[8M] R18 Page 2 of 2 b) Distinguish soft and hard magnetic materials with any four properties or applications. [6M]

SECTION -V 9 a) Explain the prin ciple, construction and working of Ruby Laser with energy level diagram. .

b) Compare and contrast the processes of spontaneous and stimulated emission of radiation. [10M] [4M] OR 10 a) Derive the expression for acceptance and numerical apertur e of an optical

fiber b) Calculate numerical aperture of an optical fiber of refractieve ind ex of n1=1.50 and n 2=1.45 in air medium [10M] [4M] **********

Page 1 of 2 Code No: R18A0261 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019

Basic Electrical and Electronics Engineering (ME & AE) Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question

from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 (a) Explain Source transformation with the help of neat diagrams [7M] (b) Define the following term s i) circuit and network iii) c urrent and voltage iii) active and passive elements. [7M]

OR 2 (a) Define and give symbols of the following: i) De pendent sources ii) Independent Sources iii) Practi cal Sources iv) Ideal Sources [7M] (b) State and explain Kirchhoff’s’ laws with an example? [7M] SECTION -II

3 (a) Apply superposition theorem to the circuit shown in Fig. 1. to find the current flowing through 150 Ω resistor. [7M] (b) Find R AB for the circuit shown in Fig. 2. [7M] Fig. 1 Fig. 2 OR

4 (a) State and explain superposition theorem with an example. [7M] (b) Explain delta -star transformation with derivation of necessary expressions. [7M] SECTION -III 5 (a) Explain the working and operating principle of single phase transformer? [7M] (b) Derive the expression for the emf induced in a DC Generator. [7M]

OR 6 (a) What is meant by back EMF? Give the significance of back emf in a DC motor. [7M] (b) Calculate the generated emf of a 4 -pole, wave -wound armature having 38 slots with 18 conductors per slot when drive at 1000rpm. The flux per pole is 0.018wb. [7M] SECTION -IV

7 (a) Explain the working of P -N junction diode with neat diagrams. Mention the applications of diode. [7M] (b) What is a rectifier? Explain the operation of half wave rectifier with a neat circuit diagram. [7M] R18 Page 2 of 2

OR 8 (a) With the help of V -I characteristics describe the working principle of Zener diode.

What is its symbol? [7M] (b) Explain about the principle of operation of a full wave rectifier with the help of circuit diagram? [7M] SECTION -V 9 (a) Explain the input and output characteristics of transistors in CB configuration. [7M]

(b) Compare the performance of a transistor in three different configurations. [7M] OR 10 (a) Draw the circuit and explain the characteristics of CE configuration. [7M] (b) Draw t he circuit symbol for a PNP and NPN transistors and explain their operation. [7M] **********

Page 1 of 2 Code No: R18A0013 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019

Engineering Chemistry (ME & AE) Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE

Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 a. Explain the construction and working of a Dan iel cell with a neat diagram . [5M] b. Explain the construction and functioning of Hydrogen -oxygen fuel cell.

Describe its applications. [4M] c. Explain the electrochemical theory of corrosion of metals with a special reference to mechanism of rusting of iron by evolution of hydrogen . [5M] OR 2 a. Describe the method of Electroless plating of Nickel. Mention its advantages. [5M]

b. Explain protection of buried pipelines and ship -hull from corrosion by sacrificial anodic method with a diagram . [5M] c. Calcul ate the concentration of CuSO 4 in the copper electrode having a potential of 0.31984V at 25oC. Given that Eo Cu2+│Cu = 0.34V . [4M] SECTION -II

3 a. Draw molecular orbital energy level diagram of O 2 molecule and predict its bond order and magnetic behavior . [7M] b. Write postulates of molecular orbital theory . [7M] OR 4 a. What are the salient features of crystal field theory? Explain the crystal field

splitting of ‘d’ orbitals by the ligands in octahedral complexes. [10M] b. Give an account of LCAO . [4M] SECTION -III 5 a. Describe the different units in which the hardness of water is expressed . How are they related? [4M]

b. What is the principle involved in EDTA method? Explain the estimation of hardness of water by complexometric method. [10M] OR 6 a. Explain the ion exchange process of softening of hard water with a neat diagram. How the exhausted resins are regenerated ? [10M]

b. What are the specifications of potable water? [4M] SECTION -IV 7 a. What are S N1 and S N2 reactions? Write the mechanism with s uitable examples. [10M] b. Explain Markownikoff’s rule with exampl e. [4M]

OR 8 a. Write the products of reduction of the following by sodium borohydride in the form of a reaction [4M] R18 Page 2 of 2 i. Butanal

ii. Butanone.

b. Write the mechanism involved in the reduction of a ketone by lithium aluminium hydride. [6M] c. What are the products of the oxidation of primary alcohols and secondary alcohols using KMnO 4 as an oxidising agent? Write the reactions and mention the reaction conditions. [4M]

SECTION -V 9 a. Explain the proc ess of obtaining different fractions from petroleum by describing the ir composition, boiling range and uses . [10M] b. What is meant by knocking in I.C. engines? What are its adverse effects? [4M] OR

10 a. Explain the ultimate analysis of coal and its significance. [10M] b. Define octane number . What is its significance? [4M] ********** Page 1 of 2 Code No: R18A0301

MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019 Engineering Graphics (CSE)

Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 Draw a path traced out by an end of a pi ece of thread when unwound to a length of 150mm from the circle of 40mm diameter. Name the curve traced. [14M ] OR

2 The area of a field is 50000 sq. meter. The length and breadth of the field, on the map is 10cm and 8cm respectively. Construct a diagonal scale which can read up to 1mtr and Mark the length 235mtr on the scale. What is the RF of the scale? [14M] SECTION -II 3 An 80mm long line PQ has the end Q lying both in the H.P and V.P. The line is

inclined at 300 to the H.P. and 450to the V.P.Dra w its projections. [14M] OR 4 A 100 mm long line PQ is inclined at 450 to H.P. and 300 to the V.P. point P is 50 mm above the H.P.and 40mm infront of the V.P.Draw its projections. [14M]

SECTION -III 5 A regular pentagon of 30 mm sides is resting on HP on one of its sides, its surface is inclined at 45 0 to HP. Draw projections when side in HP is 300 inclined to VP. [14M] OR 6 A pentagonal prism having a base with a 30mm side and 60mm long axis, is

resting on an edge of its base in the HP and the axis is inclined at angle of 300 to the HP. Draw its projections. [14M] SECTION -IV 7 Draw isometric projection for the following figures.

A) cylinder with 50mm diameter and 60 mm long axis is resting on H P B) Hexagonal pyramid with 30mm side and 40 mm long axis is resting on HP. [14M] OR 8 A sphere of diameter 50 mm is surrounded centrally on the top of a square block

of side 60mm and thickness 20mm. Draw the isometric view of the arrangement. [14M] SECTION -V 9 Draw Front View, top view and s ide view for the part shown in figures. All dimensions are in mm. [14M] R18 Page 2 of 2

OR 10 Draw the isometric view of the given orthographic projections of the object.

[14M] ********** Code No: R18A0301 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India)

I B.Tech I Semester Regular/Supplementary Examinations, December 2019 Engineering Graphics (ECE) Roll No Time: 3 hours Max. Marks: 70

Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks.

**** SECTION - I 1. Draw a hyperbola with eccentricity 3/2 and the distance of the focus from directrix of 50mm. [1 4M] (OR)

2. Draw a parabola if the distance of the focus from the directrix is 60mm. [1 4M] SECTION – II 3. A line AB, 70mm long has its end A 15mm above HP and 20mm infront of VP.It is inclined at 300 to HP and 450 to VP. Draw its projections. [1 4M] (OR)

4. Draw the projections of point s in the following cases:

(a) Point A in vertical plane 10mm above HP (b) Point B in Horizontal plane 10mm behind VP.

(c) Point C in both HP and VP.

(d) Point D in VP 10mm below 10mm HP.

(e) Point E in HP 10mm in front of HP [14M] SECTION – III 5. A regular hexagon plane of 40mm side has a corner in the HP.Its surface is inclined at 450 to the HP and the top view of the diagonal through the corner which is in the HP makes an angle of 600 with the VP. Draw its projections. [14M]

OR 6. A cylinder of base diameter 60mm and height 80mm is resting on HP in of its generators with its axis inclined at 500 to VP. Draw its Projection. [14M] SECTION – IV 7. Draw the isometric projection of a 50mm cube resting on a 100mm cube. [1 4M]

(OR) 8. Draw the isometric view of a square prism of base 40mm sides and height 70mm when its axis is vertical and horizontal . [14M] SECTION – V 9.Draw front view and Top view for the following figure: [14M] R18

(OR) 10. Draw Front view and Top view for the figure given below: [14M] **** Page 1 of 2 Code No: R18A0301

MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019 Engineering Graphics (EEE & IT)

Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 Draw a hyperbola. Mark a point F, 50 mm from directrix . Trace the pa ths of a point P moving in such a way that the ratio of its distance from the point F, to its distance from focus is 3:2. Plot at least 10 points. Draw a tangent and normal to

curve at a point on it, 30 mm from F. [14M ] OR 2 Construct a) A regular pent agon in i nscribe circle method in 70 mm diameter.

b) Draw hexagon with a side 30mm long using g eneral method [7M] [7M] SECTION -II 3 A line of PQ 70 mm long its one end 15 mm above HP and 20 mm in front of VP

and its is 30 0 inclined to HP and 45 0 to VP. Draw its projections. [14M ] OR 4 (a) A point P is 20mm above the H.P. and 25mm in front of the V.P. Another point Q is 30mm behind the V.P. and 35mm below the H.P. Draw projections of P and Q keeping the distance between their projectors equal to 85 mm.

Draw straight lines joining their top views and front views.

(b) A point B 30 mm above the HP and 20 mm behind the VP. And point Q is 25 mm below the HP, 20 mm behind the VP draw the projections of points and state their positions which quadrant they lie. [7M] [7M] SECTION -III 5 A regular hexagon ABCDEF of 40 mm side is the front view of a plate when its

surface is inclined at 35 degrees to the V.P. Draw the projections when it’ s side AB is in V.P. and inclined at 50 degrees to the H.P. [14M ] OR 6 A triangular prism of base side 45 mm and length of axis 75 mm has a corner in the H.P. The face opposite to that corner makes 500 to the H.P. while the axis of

the solid makes 300 to the V.P. Obtain the two views of the solid. [14M ] SECTION -IV 7 Draw the isometric projection of a pentagonal prism side of base 30mm and height 60mm. [14M ] OR

8 A right regular hexagonal prism of side of base 25mm and altitude 56mm has a square hole of 20mm side at the centre. The axes of the prism and the hole [14M ] R18 Page 2 of 2 coincide. One of the faces of the square hole is parallel to one of the faces of the hexagon.

SECTION -V 9 Draw the Front , Top and side view for the following Figure [14M ] OR 10 Draw the isometric view of the objects whose orthographic projecti ons are given

in Figure [14M ] ********** Code No: R18A0001 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY

(Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations, December 2019 English (EEE, ME, ECE, CSE, IT & AE) Roll No

Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks.

******** SECTION -I 1. a) Write a detailed stanza wise summary of the poem “The Road Not Taken” along with the moral as you understand it. [7M] b) Put the word i n brackets into the correct form using prefixes and/or suffixes. [7M]

i. He was sitting in his seat on the train. (comfort) ii. There was a light coming from the window. (green) iii. He was acting in a very way. (child) iv. This word is very difficult to spell, and even worse, it’s . (pronounce) v. He’s lost his book again. I don’t know where he has it this time. (place)

vi. You shouldn’t have done that! It was ver y of you. (think) vii. He didn’t pass his exam. He was for the second time. (succeed) OR 2. a) W rite a paragraph narrating a funny incident using past tense. [7M] b) Complete the sentences adding suitable prefixes and/or suffixes given to the words given in

brackets. [7M] (bi-, multi- , -less, un- post -, -ful, em -) i. She has a account with the mobile service provider. (paid) ii. Ram is about his food habits. (care) iii. In my opinion, the procedures followed during the experiments are . (safe)

iv. The magazine is issued once in two weeks. It is magazine. (weekly ) v. The measures being implemented by the government are aimed at women (power ing) vi. Raj can speak three languages. He is a . (linguist) vii. Sita is very committed. She is a employee. (duty) SECTION -II

3. a). That Abraham Lincoln is a responsible father is evident from the letter to h is son’s teacher.

Justify the statement in the light of the guidelines given by Lincoln to the teacher. [7M] b). Identify the following verbs as transitive or intransitive and write sentences using them. [7M] i. laugh ii. like iii. cry iv. clean v. advise vi. stitch vii. arrive OR 4 a) Write an email inviting the CEO of an MNC as the chief guest for your college techfest. [7M]

b) Fill in the blanks with the antonyms of the word in brackets. [7M] i. Veena played the violin (occasionally) ii. The celebrity sportsperson prefers (busy) life.

iii. The severity of the storm (subsided).

iv. He died at the age of 60, but he didn’t have a healthy lifestyle. He was (rarely) drunk.

v. It is for the motorcyclists to wear helmets. (optional) vi. Minu is towards animals. (cruel) R18 vii. Listen to me Rahul! If you are good and behave well, you can eat with the . (kids) SECTION -III 5. a) The old man, in the essay “ War” by L. Pirandello, says that parents should be proud of the death of

a son in the war. Do you agree? Justify with reference to the present day scenario. [ 7M] b) Fill in the blanks with correct prepositions. [7M] i. Would you like to go the cinema tonight?

ii. We are going holiday next week.

iii. There is a bridge the river.

iv. The flight from New York to Delhi was Frankfurt.

v. my wall, there are many picture postcards.

vi. Who is the person this picture?

vii. Come the sitting room, we want to watch TV OR 6. Write the meanings of the following phrasal verbs and use them in your own sentences. [14M] i. pass away ii. do without iii. call off iv. get carried away v. made up vi. put up with vii. keep up

SECTION -IV 7.a) What are the five important lessons we can all learn fromJK Rowling in her “Harvard Address”? [7M] b) Write an elaborate essay on how engineers can play a vital role in nation building. [ 7M] OR 8 a) Rewrite the following sentences by using the misplaced modifiers at the right places. [7M]

i.Giving online tuitions, I nearly earned Rs. 2,0000 last summer.

ii.The office building was located by a river which was made of red brick.

iii.A fish was found in this region that had been considered extinct.

iv.The cowboy was thrown by the bull in a leather jacket.

v.Rama asked me to go for a ride on the telephone.

vi.The results will only be known after all the votes have been counted vii.The contractors needed all kinds of artists to paint the mural badly.

b) ) Fill in the blanks with the correct article: a, an or the. If no article is required, indicate that with ‘X’.

i.Are you coming to party next Saturday?

ii.I bought new TV set yesterday.

iii.I watched video you had sent me.

iv.She was wearing ugly dress when she met him. v.I am fond of reading history books. vi.Do you want to go to restaurant where we first met?

vii.He thinks that love is what will save us all.

SECTION -V 9. Use the following pairs of words in your sentences to bring out their difference of meaning. [14M] i. cereal -serial ii. waste -waist iii. story -storey iv. desert -dessert v. horse -hoarse vi. course -coarse vii. flour -floor OR

10 a) Differentiate between a phrase and a clause. Give two examples for converting a clause into a phrase. [7M] b) Write a memo in specified format as the supervisor of an engineering department in PWD office, instructing all the employees about changes made in lunch timings for different shifts. [7M] *******

Page 1 of 2 Code No: R18A0021 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations , December 2019

Mathematics -I (EEE, ME, ECE, CSE, IT & AE) Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE

Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 a) Determine the values of 𝑎𝑎,𝑏𝑏,𝑐𝑐, if the matrix �0 2𝑏𝑏𝑐𝑐𝑎𝑎𝑏𝑏−𝑐𝑐

𝑎𝑎−𝑏𝑏𝑐𝑐� is orthogonal.

b) Define rank of a matrix and f ind the rank of the following matrix by reducing it to normal form 

−− 1 3 48137483 1245 312 [6M] [8M] OR

2 If A=�1 2−12 1−22−2 1� , then verify Cayley- Hamilton theorem. Find A4 and A-1 using Cayley- Hamilton theorem. [14M]

SECTION -II 3 a) If 𝑢𝑢=𝑦𝑦𝑦𝑦𝑥𝑥,𝑣𝑣=𝑦𝑦𝑥𝑥𝑦𝑦,𝑤𝑤=𝑥𝑥𝑦𝑦𝑦𝑦,𝑡𝑡ℎ𝑒𝑒𝑒𝑒 𝑓𝑓𝑓𝑓𝑒𝑒𝑓𝑓 𝜕𝜕(𝑢𝑢,𝑣𝑣,𝑤𝑤)

𝜕𝜕(𝑥𝑥,𝑦𝑦,𝑦𝑦) b) Find the maximum and minimum values of the function 𝑓𝑓(𝑥𝑥,𝑦𝑦)=sin𝑥𝑥+sin𝑦𝑦+sin(𝑥𝑥+𝑦𝑦),−𝜋𝜋≤𝑥𝑥,𝑦𝑦≤𝜋𝜋 [6M] [8M] OR

4 a) Determine whether the functions 𝑢𝑢=𝑥𝑥+𝑦𝑦+𝑧𝑧,𝑣𝑣=𝑥𝑥𝑦𝑦+𝑦𝑦𝑧𝑧+𝑧𝑧𝑥𝑥, 𝑤𝑤=𝑥𝑥2+𝑦𝑦2+𝑧𝑧2 are dependent. If so, find the relation between them.

b) A rectangular box which is open at the top, has a capacity of 32 cubic feet.

Determine the dimensions of the box such that the least material is required for the construction. [6M] [8M] SECTION -III 5 a) A body kept in air with temperature 25℃ cools from 140℃ 𝑡𝑡𝑡𝑡 80℃ in 20

minutes. Find when the body cools down to 35℃.

b) Solve �1+𝑒𝑒𝑥𝑥𝑦𝑦�𝑓𝑓𝑥𝑥+𝑒𝑒𝑥𝑥𝑦𝑦�1−𝑥𝑥𝑦𝑦�𝑓𝑓𝑦𝑦=0 [8M] [6M]

R18 Page 2 of 2 OR 6 a) Solve (𝐷𝐷2+4)𝑦𝑦=3𝑥𝑥sin𝑥𝑥 b) Solve (𝐷𝐷2+1)𝑦𝑦=tan𝑥𝑥 by method of variation of parameters [6M]

[8M] SECTION -IV 7 a) Form partial differential equation by eliminating arbitrary constants a and b from: 𝑧𝑧=𝑎𝑎𝑥𝑥3+𝑏𝑏𝑦𝑦3 b) Solve (𝑦𝑦−𝑧𝑧)𝑝𝑝+(𝑥𝑥−𝑦𝑦)𝑞𝑞=(𝑧𝑧−𝑥𝑥)

c) Solve 𝑝𝑝2+𝑞𝑞2=𝑧𝑧 [4M] [5M] [5M] OR

8 a) Solve (𝑥𝑥2−𝑦𝑦𝑧𝑧)𝑝𝑝+(𝑦𝑦2−𝑧𝑧𝑥𝑥)𝑞𝑞=𝑧𝑧2−𝑥𝑥𝑦𝑦 b) Solve by Method of separation of variables, 𝑢𝑢𝑥𝑥+𝑢𝑢=𝑢𝑢𝑡𝑡 ,𝑢𝑢(𝑥𝑥,0)=4𝑒𝑒−3𝑥𝑥 [6M] [8M] SECTION -V

9 a) Find 𝐿𝐿 �𝑒𝑒−3𝑡𝑡sin2𝑡𝑡𝑡𝑡� b) ) Find 𝐿𝐿{𝑡𝑡 𝑒𝑒−𝑡𝑡 𝑠𝑠𝑓𝑓𝑒𝑒4𝑡𝑡} [6M] [8M] OR

10 a) Using Convolution theorem, find 𝐿𝐿−l �1(𝑠𝑠2+𝑎𝑎2) (𝑠𝑠2+𝑏𝑏2) � b) Using Laplace Transform, Solve 𝑑𝑑2𝑥𝑥𝑑𝑑𝑡𝑡2 −2𝑑𝑑𝑥𝑥𝑑𝑑𝑡𝑡 +𝑥𝑥= 𝑒𝑒𝑡𝑡 , given that 𝑥𝑥 (0)=

2,𝑥𝑥′(0)=−1 [6M] [8M] ********** Page 1 of 1

Code No: R18A0501 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution – UGC, Govt. of India) I B.Tech I Semester Regular/Supplementary Examinations, December 2019 Programming for Problem Solving

(EEE, ME, ECE, CSE, IT & AE) Roll No Time: 3 hours Max. Marks: 70 Note: This question paper Consists of 5 Sections. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks.

*** SECTION -I 1 a. Explain in detail with neat diagram about the computer system components.

b. Differentiate Algorithm and Flow Chart. And also write a algorithm to find out number is odd or even? [7M] [7M] OR 2 What are the features of C Language and Draw and explain the structure of

C Program? [14M] SECTION -II 3 a. Explain various types of multi -way selection statements with an example.

b. Write a C program to find all roots of a quadratic equation using if...else statement? [7M] [7M] OR 4

a. Write a C program to find arithmetic operations using switch statement b. Explain the conditional statements in C language with syntax ? [7M] [7M] SECTION -III 5 a. Write C program to find the factorial of a given number using recursive

function.

b. Explain Call by Reference with example. [7M] [7M] OR 6 Write a short note on parameter passing Techniques with examples? [14M] SECTION -IV

7 a. How to declare and initialize an array. Explain them.

b. Write a C Program to sort the given word s in a lexicographical order. [7M] [7M] OR 8 Write short notes on String handling functions with suitable examples [14M] SECTION -V

9 a. Is it possible to Read and Print an array using Pointers? Justify.

b. Write a Program to read Student Details and calculate total and average using structures. [7M] [7M] OR 10 a. Define a structure called Cricket that will have player name, team name,

and batting average of the player. Using Cricket, declare an array player with 10 elements. Write a program to read the information about all the 10 players and print a team wise list containing names of players with their batting average b. Briefly Discuss Union and How it is differ from Structure . [7M] [7M]

********** R18