TEXTILE CHEMISTRY-IIIrd SEMINTRODUCTION TO WET PROCESSING-2012UNIT 1A. Describe varioustypes of natural impurities present in following fibersi) Cottonii) Juteiii) Silkiv) WoolB. Describe degumming and bleaching of mulberry silk fabric.ORWhat are the objects of singeing? Describe a modern singeing machine with neat sketch.UNIT 2What is scouring? Describe a continuous method of scouring for cotton fabric with neat sketch.ORClassify the desizing process and describe the best method of desizing for cotton fabric.UNIT 3Explain naphtholation and diazotization process by giving their chemical reactions. Describe a method of dyeing of cotton fabric with azoic colors.ORExplain vatting process with chemical reaction. Describe a method of dyeing of cotton fabric with vat dyes.UNIT 4What is printing? Write classification of printings with suitable examples. Describe discharge style and resist style of printing.ORDescribe about roller printing machine with figure.UNIT 5What do you understand by finishing? Write its classification with its examples. Describe any starch finishing for cotton fabric.ORWhat do you understand by calendaring? Describe a calendaring machine suitable for cotton fabric.TEXTILE CHEMISTRY-IIIrd SEMPHYSICAL CHEMISTRY 2013UNIT 1A. Define colloids and explain its uses and applications.B. Write a note on coagulation of colloidal solution.ORExplain the followingi) General properties of colloidsii) Purification of colloidal solution.iii) Preparation of colloidal solution.UNIT 2A. Give a detail account of emulsions and gels.B. Define the following termsi) Imbititionii) Thixotropyiii) SyneresisORA. Discuss electrical and electro-kinetic properties of colloids.B. Explain adsorption and its types. Derive Longmuir adsorption isotherm.UNIT 3Explain the followingi) First law of thermodynamics and its limitation.ii) Heat of reaction at constant volume and pressure.iii) Variation of enthalpy of a reaction with temperature.iv) The Kirchhoff equationORA. Discuss the followingi) Carnot cycleii) 2ndand 3rdlaw of thermodynamicsB. The enthalpy of reaction (H) for the formulation of ammonia according to reaction:N2+3H2-> 2NH3at 270C were found to be -91.94 kJ. What will be the enthalpy of reaction at 500C? The molar heat capacities at constant pressure and at 270C for nitrogen, hydrogen and ammonia are 28.45, 28.32 and 37.07 joules respectively.UNIT 4A. Define the following termsi) Conductance and specific conductanceii) Equivalent conductanceiii) Molar conductanceiv) Cell constantB. Discuss kohlraush law and its applicationORA. Explain transport number and various method of its determination.B. At 250C the degree of dissociation () of pure water 1.9010-9. Calculate the molar conductance (0m) and specific conductance (k) of water at this temperature the molar conductance of H+and OH-ions are 349.8310-4and 198.5010-4sm-2respectively.UNIT 5A. Define rate constant and derive the expression for rate constant of 2ndorder reaction for both cases.i) When both reaction are sameii) When the reactants are differentB. In a 1storder reaction, it takes the reactant, 40.5 minutes to be 25% decomposed. Calculate the rate constant of a reaction.ORGive a detail account on catalysts, homogeneous and heterogeneous catalyst.TEXTILE CHEMISTRY IIIrd SEMPRINCIPLE OF TEXTILE MANUFACTURING-1- 2013UNIT 1A. Discus the various systems of expressing yarn linear density. Define any 2 examples of expressing yarn numbering in each system.B. Draw the flow chart of spinning process to spin a woolen and worsted yarn.ORA. Draw the flow chart of spinning process to spin a doubled combed yarn. How it is different from a synthetic double yarn process?B. Convert 30 Ne into Tex, metric woolen and worsted count.C. Derive the conversion factor for converting English count into Tex system.UNIT 2A. Mention the objective of blending. Discuss different technique of blending along with their merits and demeritsB. Explain the principle of carding and stripping action.C. Mention the objective of ginning.ORA. Discuss the objective of carding machine. Mention any 10 important developments in carding machine.B. Give a comparative assessment of lap feed system and chute feed system.C. Draw a suitable diagram of ERM cleaner and mention its function.UNIT 3A. Discuss the objective of combing machine. With a neat and clean diagram, explain the working of combing machine.B. Mention the merits of doubling process.C. Draw the passage of material on roving frame and mention the function of important parts.ORA. Explain the principle of drafting and twisting on a ring frame with necessary diagram.B. Mention different direction of twisting. Calculate the twist/inch in a 36 Ne count yarn if twist multiplier is 4.0C. Mention the function of an autoleveller on a draw frame.UNIT 4A. Explain the mechanism of yarn formation on an air jet spinning machine. Mentions its suitability for different ranges of yarn count.B. Calculate the production of carding machine in kg/hr if doffer of 27 inch rotates at 20 rpm and produce a sliver of 4 ktex. Assume efficiency of machine is 92%.ORA. Explain the mechanism of yarn formation in DREF-II friction spinning system. How is it different from DREF-II?B. Calculate the production of a 480 spindles ring frame in kg/shift if spindle is rotating at 18000 rpm with 90% efficiency and producing yarn of 36swith a TM of 4.0UNIT 5A. Give a comparative assessment of properties of ring, rotor, and air jet yarn. Also mention their end uses.B. What is ply cable and core spun yarn? Mention the area of application of these yarns.ORA. Briefly discuss the different kinds of fancy yarns with their application.B. Give the comparative assessment of properties of rotor spun yarn and ring yarn. Mention the end uses of these yarns.

TEXTILE CHEMISTRY-IVth SEMOBJECT ORIENTED PROGRAMMING-2012UNIT 1A. What is the use of friend function? Explain with an example.B. Explain various features of object oriented programming language.ORA. What is object oriented programming language? How is it different from structure programming language?B. Explain class and object with example.UNIT 2A. What is meant by static member function? What is the use of static member function?B. Explain private member function with example.ORA. What is the use of nesting of member function?B.Explain static data member with example.UNIT 3A. Explain copy constructer with example.B. What are the difference b/w constructor and destructor?ORA. What do you mean be a constructor? What are the characteristics of constructor of a class?B. Explain the use of multiple constructors in a class.UNIT 4A. Explain the operator overloading with example.B. What do you mean by unary operator? Write a program to perform unary operator overloading using an example.ORA. Explain friend function using an example.B. What do you mean by binary operator? Write a program to perform one of the binary operators overloading.UNIT 5A. What do you mean by file system? Explain various file mode option.B. Write a program to perform multiple inheritances.ORWhat do you mean be inheritance? Explain various inheritances with example.TEXTILE CHEMISTRY-IIIrd SEMINTRODUCTION TO WET PROCESSING-2012UNIT 1A. Discus the difference of cotton and wool fiber on the behalf of their natural and added impurities.B. What is saponification? How alkali and high temperature boiling are useful in scouring of cotton.ORA. List out all types of desizing for cotton fabric. Which desizing method is known as universal desizing and why?B. Differentiate b/w semi bleaching and full bleaching of cotton fabric. Why anti-chlor treatment is needed after chlorine based bleaching method.UNIT 2Fill in the blanksi) Vat dyed fabric are oxidized with ..ii) Of the coupling of naphthol a base is azoic color is..iii) Disperse dyeing of polyester is done at pH iv) Retarders are used in basic dyeing of acrylic..ORDifferentiate b/w followingA. Silk scouring and wool scouring.B. Sodium chloride bleaching and peroxide bleaching.UNIT 3A. Explain the reason of migration of dyes and suggest remedy of this problem.B. What do you understand by scouring and bleaching of colored woven goods? How they are helpful to improve the fastness of goods.ORDiscus about following m/cA. Singeing m/cB. J-boxesUNIT 4A. What is the main difference b/w dyeing and printing? Write the general method of printing paste formation.B. Make a diagram of roller printing m/c used for 4 colors.ORA. What is the main difference b/w discharge and resist type style of printing? Explain them with their general sequences used in printing.B. Describe about various methods used for direct print coloration in printing.UNIT 5Discus the followingi) Water proof finish and water repellent finishii) What is the objective of resin finish for cotton? List out the types of resins used for resin finishORDifferentiate b/wi) Semi permanent and permanent finishii) Calendaring and compactors

TEXTILE CHEMISTRY IIIrd SEMPRINCIPLE OF TEXT. MANUFACTURING-1- 2012UNIT 1A. Define the direct and indirect system for expressing yarn linear density giving suitable example.B. How combed yarn in better than carded yarn? Give sequence of m/c used for combed yarn with their utility.ORA. Derive an expression for relation b/w cotton count and denier and cotton count and metric count.B. A lea of ring yarn weighs 15 grains. What is yarn number in cotton count, denier and Tex.?C. Why we cant run wool on cotton spinning system? Give the flow chart of woolen and worsted systems of yarn production.UNIT 2A. Write the objects of blowroom line. Explain the construction and working of:i) Vertical openerii) S.R.R.L openeriii) E.R.M cleanerB. What is the object of using piano feed regulating motion? Explain with neat diagram.ORA. Explain the flow of material through revolving flat card with neat disarms.B. Explain the carding and stripping action and their uses in carding m/c.UNIT 3A. What is the necessity of draw frame? Describe the passage of material through it.B. Explain the flow of material through any combing m/c.ORA. What are the objects of simplex? Explain the flow of material through simplex.B. Explain the construction and working of ring frame.UNIT 4A. Write the passage of material through TFO.B. Explain the construction and working of air jet spinning m/c.ORA. Explain the principle of open end spinning system.B. Explain the construction and working of:i) Rotor spinning system.ii) Dref-2 spinning system.UNIT 5A. Calculate the production of blow room line in kgs/shift of 8 hours with shell roller dia of 9 and speed of 10 rpm. Lap hank 0.0014 and efficiency of 80%. How many laps of 36 yards will be produced in the shaft?B. Compare the properties and end uses of ring, rotor, and air jet spun yarn.ORExplain the following;i) Sewing threadii) Cable yarniii) Ply yarniv) Core spun yearv) Slub yarnvi) Neppy yarnvii) Grindle yarnviii) Sharl yarn.TEXTILE CHEMISTRY-IIIrd SEMPHYSICAL CHEMISTRY 2012UNIT 1Define colloids and crystalloids. Discuss preparation and properties of colloidal solution.ORExplain the following:i) Coagulation and protective actionii) Purification of colloidsiii) Application of colloidsUNIT 2Write a detailed note on emulsion and gels.ORExplain the following:i) Adsorption and Langmuir adsorption isothermii) Electro kinetic properties of colloidsUNIT 3A. Define heat capacity and derive Kirchhoffs law.B. One mole of naphthalene was burnt in oxygen gas at constant volume to give CO2gas and liquid water at 200C. the heat evolved was found to be 5138.8 kilojoules. Calculate the enthalpy of reaction at constant pressure. (R= 8.314 JK-1mol-1)C10H8+ 12O2 (g)-> 10CO2(g)+4H2O(I)ORA. Explain following with example:i) Exothermic and endothermic processii) First law of thermodynamics and its limitation.B. The heat of reaction involved on dissolving CuSO4(s)in water is 86.6 KJ mol-1, if Hogof Cu+2is 64.4 KJ mol-1. What is Hoof SO42-? [Hof CuSO4(s)=770.0 KJ mol-1.UNIT 4A. Define the following terms:i) Conductance and specific conductanceii) Equivalent conductanceiii) Molar conductanceiv) Cell constantB. Explain kohlruchs law and its application.ORA. Define transport number and explain various methods of its determination.B. At 250C the degree of dissociation () of pure water is 1.9010-9. Calculate the Molar conductance (om) and specific conductance (k) of water at this temperature. The Molar conductance of H+and OH-ions are 349.8310-4and 198.510-4mol-1respectively.UNIT 5A. Define rate constant and derive the expression of rate constant for first and second order reaction.B. Nitrous oxide decomposes into N2and O2, the reactions and the products being all gaseous. If the reaction is first order, develop expression for rate constant as a function of time, initial pressure, and total pressure.ORA. Define catalysis and the type of catalysis. Derive michaelis- menton equation using enzymes catalyzed mechanism.B. In a first order reaction, it takes the reactant 40.5 minutes to be 25% decomposed. Calculate the rate constant of the reaction.TEXTILE CHEMISTRY-IIIrd SEM- 2011INTRO TO WET PROCESSINGUNIT 1A. write different as well as added natural impurities of cotton, wool, silk and bast fiber.B. write the object of following pretreatments-I) singeingii) Desizingiii) Scouringiv) BleachingORA. Why enzymatic desizing is preferred over acid desizing? Describe the method of enzymatic desizing?B. Why peroxide bleaching is called as universal bleaching? Describe the method.UNIT 2A.I) write the process sequence of colored bleached fabric.ii) Write the process sequence of full bleached fabric.B. Write the uses of following chemicals:-i) NaOH in mercerizationii) Sodium meta silicate in peroxide bleachingiii) NaCl in desizingiv) NaOH in scouringv) Na2CO3 in scouringvi) Sodium carbonate in bleaching powder bleachingORDescribe about the following-i) HTHP beam dyeing m/cii) Dolly scouring m/ciii) Jet scouring m/c for woolen fabriciv) Horizontal kierUNIT 3A. Write short note on-i) Percent exhaustionii) Color fastnessiii) Cross dyeingiv) Percent shadeB. classifies the reactive dyes. Describe any one method to dye the cotton fabric by cold dyeing reactive dye on jigger.ORA. Which dye is called as all-round fastness dyes and why? Describe method of coloration of textile with indigo blue dyes.B. Why nepthol colors are called as ZADU colors? Show neptholation and diazotization of these dyes.UNIT 4A. what is the difference b/w method of printing and style of printing? Name different methods and styles.B. Describe a method of printing polyester with transfer printing.ORDescribe the working and principle of rotary screen printing m/c with suitable line diagram.UNIT 5A. what are the objects of finishing?B. Write a short note on resin finish?ORA. Discuss the mildew proof finish.B. Write short note onI) Optical whiteningII) Milling of wool

TEXTILE CHEMISTRY-IIIrd SEM- 2011PHYSICAL CHEMISTRYUNIT 1A. What are the methods for preparation of colloidal solution? Discuss them.B. writes chemical equation for preparation of As2S3and Fe (OH)3colloidal solution.ORA. Write a short note oni) Gold numbersii) Coagulationiii) Brownian movementiv) Cataphoresis.B. Write any 2 application of colloidal solution.UNIT 2A. Write one word for the following-i) Liquid dispersed phase in liquid dispersion mediumii) Liquid dispersed phase in solid dispersion mediumiii) Stability provided by lyophillic colloids to lyophobic colloid against coagulation.iv) Visibility of light radiation passed through a colloidal solution.B. Describe the properties of colloidal solution.ORA. What are lyophillic and lyophobic colloids? What are the difference b/w them?B. Explain why FeCl3solution is used to stop bleeding from a cut on the body?UNIT 3A. what is heat capacity? Explain the followingi) Heat capacity at constant volumeii) Heat capacity at constant pressureB. The enthalpy of some reaction at 250C arei) H2+ O2-> OH ; H= 10.06 KCalii) H2(g)-> 2H H= 104.18 KCaliii) O2-> 2O H= 118.32 KcalOn the basis of above data calculate the bond energy of O-H bond.ORA . Write a short note on Kirchhoffs equation. What does it tell about?B. Calculate the heat of formation of the following changeBond energy of H-H, C-H, C-C & C=C bonds are 104, 98, 83 & 47 Kcal respectively.UNIT 4A. what is transference number? Write one method to determine it.B. Explain why Cu doesnt replace Zn from ZnSO4, whereas it replaces Ag from Ag salt.ORA. Derive a relation b/w standard potential (E0)& equilibrium constant.B. Calculate EMF of following cellZnlZnSO4l lAgNO3l Ag(a=.2m) (a=.2m)Where data given are E0Zn+2/Zn= -.76 voltE0Zn Ag+/Ag= .80 voltUNIT 5A. what is catalyst? Explain their characteristic features.B. The rate of reaction of N2+3H2-> 2NH3is d/dt (NH3) = 210-4mol lit-1sec-1.What will be the rate of reaction in terms of N2& H2?ORA. Derive integrated rate equation for a second order reaction involvingi) Two reactant of same concentration.ii) Two reactant of different concentration.B. For a first order reaction 50% part completes in 60 minutes. What will be the fraction which is completed in 32 minutes?TEXTILE CHEMISTRY IIIrd SEMPRINCIPLE OF TEXT. MANUFACTURING-I- 2011UNIT 1A. Describe the principle of yarn numbering system. What is the direct and indirect system of yarn numbering? Discuss with mentioning suitable example of each.B. Give a comparative assessment of woolen and worsted system of yarn production.ORA. Define the following-i) Texii) English countiii) Denieriv) Worstedv) Woolenvi) MetricB.Convert 40sNe into equivalent metric, woolen, Tex and worsted count.C. Give a flow chart of spinning to make a 60scombed yarnUNIT 2A. Mention the objective of ginning. Explain the working of knife roller gin.B. mentions the objective of blending. Discuss different method of blending with their advantages and disadvantages.ORA. Mention the object of carding m/c. draws a cross sectional view of flow of material on carding with briefly mentions the function of imp. Parts.B. Explain the working mechanism of unimix in a blow room.UNIT 3A.Mention the object of combing m/c. Explain the working mechanism of modern combing m/c with neat and clean diagram.B. Mention the object of draw frame. How are these achieved?ORA. Give the flow of material on ring frame. Mention the function of following parts-i) Spacerii) Traveleriii) Cotsiv) ApronsB. Why do we need blending? If two yarns of 20 Ne and 30 Ne are doubled, what will be the resultant count?UNIT 4A.Explain the working principle of open end rotor spinning m/c.B. Calculate the production per shift of 8 hours of a draw frame running at 220 rpm with 2 Inch front roll dia, delivering a sliver hank of 4 ktex and 85% efficiency.ORA. Explain the working principle of air jet spinning system. What is MTS system?B. Calculate the production of spinning m/c with following parameters.Nips/min- 200 feed/nip-7mmNoil %-15 lap hank- 70 ktexNo of heads- 8 efficiency- 88%UNIT 5A.Discuss different types of fancy yarns with their end uses.B. Give a comparative assessment of ring, rotor and air jet yarn characteristics.ORA. What is core spun yarn? Explain the principle of formation of core spun yarn at different spinning system.B. Give a comparative assessment of ring and rotor yarn characteristics.TEXTILE CHEMISTRY-IVth SEMOBJECT ORIENTED PROGRAMMING-2009UNIT 1A. What is object oriented programming? How is it different procedural oriented programming?B. encapsulation is one of the major properties of OOPs. How it is implemented in C++.ORA. What do you mean by dynamic binding? How is it useful in OOPs?B. When do we make function inline? How does an inline function differ from a preprocessor macro? Explain with example.UNIT 2(no options given)A. What do you understand by overloading a function? When do we use this concept? Explain with example.B. Write a function power () to raise a numbermto the powern (mn). The function takes 2 int valuesmandn& returns the result. Use a default value of 2 fornand make the function calculate squares when this argument is omitted. Write a main that gets the value ofmandnfrom the user to test this function.UNIT 3(no options given)A. What is a constructer? Is it mandatory to use it in a class? How do we invoke a constructer function?B. Define a class string that could work as a user defines string type. Include constructer that will enable us to create uninitialized string. string S 1 :11 string with length 0 & also to initialize an object with a string constant at the time of creation like string S2(well done)Include a function that adds two strings to make a third string. Note that the statement S2=S1;Will it be perfectly reasonable expression to copy one string to another? Write a complete program to test your class to see that it does the following task:i) Creates uninitialized string objects.ii) Creates objects with string constants.iii) Concatenates two string properlyiv) Displays a desired string object.UNIT 4A. Illustrate the concept of operator overloading with suitable example. Discuss the restriction on operator overloading.B. What are friend functions? Explain with an example. How are member functions different from friend functions?ORCreate a class FLOAT that contains one float data member? Overload the entire 4 arithmetic operator so that they operate on the objects of FLOAT.UNIT 5A. How are multiple inheritances different from multilevel inheritance? Explain it with example.B. Create a data class with month, year and day as data members and print date () function to display the date. Create another class called time with hours, mins and second as data members and print time () function to display time. Combine the 2 classes to create one class called data and time with 2 member function next day () to increment day and next hour () to increment hours.ORA. What is file mode? Describe the various file mode options available.B. Write a program to display the content of a file in reverse sequence.TT, TE, TC-IIIrd SEMTEXTILE FIBERS-2013UNIT 1A. Write chemical structure of followingi) Celluloseii) Keratiniii) Polyethylene terephthalateiv) N66polymerv) PolyacrylonitriteB. Define the following terms:i) Textile fibersii) Filamentsiii) Moisture regainiv) Tenacityv) Elasticityvi) Specific gravityORA. Which properties a fiber should have for commercial success? Explain.B. Explain the various sources of textile fibers.UNIT 2A. Write the numerical values of following for cotton.i) Staple length of Brazilian cottonii) Fineness of Indian cottoniii) Density of Egyptian cottoniv) Moisture regain at 65% RH and 200Cv) Elongation at breakvi) Tenacity of mature fiberB. Explain the action of heat, water and caustic soda on cotton.C. How does lumen affect the quality of cotton? Explain.ORA. Explain the formation of convolution in cotton fibers.B. Write about the chemical composition of cotton fibers.C. Explain any one bast fiber cultivation and retting practices which is obtained from plant stem with its properties and uses.UNIT 3A. Explain formation of various linkages in polymer structure of wool.B. Justify the following statements for wool.i) Wool gives warmth feelingii) Wool is a good resilient fiberiii) Wool burns like featheriv) Felting nature of woolORA. Write the chemical composition of raw wool.B. Explain the actions of acids and alkalis on woolC. What is blood system and in which country is that used?D. How medulla affects the quality of wool fiber.E.Explain the application areas of wool fibers.UNIT 4A. Silk is less elastic, less chemical resistance, stronger than wool. Why?B. Explain the following processes for silki) Degummingii) Weighting of silkiii) Reelingiv) ThrowingC. Silk is known as queen of fiber, prove it.ORA. Enlist the different types of yarns and fabrics of silkB. Compare the properties of wool and silk, while both are made up of animal protein.C. What is spun silk? And from what is it obtained?D. Explain the properties of silk fiber.UNIT 5A. How does acetylating of cellulose take place in acetate rayon manufacturing process?B. Write down reaction of polymerization of followingi) Polyesterii) N6iii) N66iv) AcrylicC. Acrylic replaced the wool, justify it.D. What is Schweitzers reagent and in which fiber manufacturing it is used?E. On wetting, cotton get strength while viscose loses it. Explain why?ORA. How does raw material prepared for following-i) Polyester polymerii) Acrylic polymeriii) N6PolymerB. Compare the melt and solution spinning systems.C. Explain the following for ordinary viscose-i) Sources of raw materialii) Purification ageing ripeningiii) Role of H2SO4, Na2SO4, and ZnSO4

TEXTILE TECHNOLOGY IIIrd SEM-2005TEXTILE RAW MATERIALS (OLD SCHEME)ATTEMPT ANY 51.A. Give classification of textile fibers along with 2 examples of each.B. what are the essential properties of textile fibers.C. Give any advantages of synthetic fibers over natural ones.D. Why human hair cant be spun into yarn.2.A. discus the cultivation and properties of jute fibers. Why bast fibers are less preferred for apparels.B. how is silk fiber obtained from worm? Discus the life cycle of a silkworm.3.A. how grading of wool is done in American system.B. Explain the formation of different kind of linkages in wool fibers.C. Explain the microscopic view of wool.D. Explain felting of wool.4.A. sketch and discus the morphological structure of cotton fibers.B. Compare the following properties of wool and cotton-i) Tenacityii) Elastic plastic natureiii) Hygroscopic propertiesiv) Thermal properties5.A. discus various spinning method for producing synthetic fibers along with 2 advantage and disadvantage of each.B. Explain the manufacturing of acetate rayon with the help of diagram and chemical reaction involved.6.A. name the raw material used for making nylon 6, 6.B. how are these manufactured? Give one method of each.C. what is stabilization? How can it be done? Explain.D. how the polymers of nylon-6, 6 is manufactured from air, coal and water? Explain with flow diagram.E. definei) Nylon-6ii) Nylon-7iii) Nylon-6, 10iv) Nylon-117.A. Define acrylic and modacrylic fibers.B. How is acrylic fiber manufactured? Compare both the methodsC. Compare the following properties of viscose, nylon-6, polyester and acrylic fibers.i) Tenacityii) Densityiii) Moisture regainiv) Melting point8.A. how are polyethylene fibers manufactured by low melting temp. Process? Explain with the help of diagramB. Compare it with high temp. ProcessC. Give the specific gravity and tenacity of polyethylene and polypropylene fibers.COMMON IIIrd SEM-2003TEXTILE RAW MATERIALS (OLD SCHEME)ATTEMPT ANY 51.A. How are the raw materials prepared for producing polyester fibers?B. Explain the following properties of polyester.i) Swelling and dissolvingii) Moisture regainC. Briefly discus various methods of spinning for converting polymer into fiber.2.A. discus the auxiliary motion of a power loom.B. what is the need of mixing and blending of fibers?C. a spinning mill is producing single yarn of 20, 24, and 28 counts. What is the average count of that mill?3. Explain the followingi) Medullaii) Worsted spinning systemiii) Grading of wooliv) Micron value of woolv) Scrowing of wool4. What do you understand by stabilization process? Write the complete process for producing N-6, 6 Fiber from basic raw material. Why is N-6, 6 preferred over N-6, 10.5. Explain the throwing process for production of thrown silk yarn. Give the example of various types of thrown silk yarn and their structure. Explain the production of acetate rayon from cotton linters.6. How is the cellulose formed in nature? Also write about the formation of crystalline and amorphous regions.7.A. what do you understand by felting of wool? Explain the microstructure of wool fiber.B. which types of impurities is found in wool? How are they separated from it?8. Explain the following in briefi) Identification of textile fibersii) Assessment of yarn quality in spinning millsiii) Importance of antistatic agentsiv) End use of golden fibers of indiaCOMMON (TC, TT, TE) 2001TEXTILE RAW MATERIALANSWER ANY 51.A. How can study of textile fibers be simplified?B. Discus the advantages and disadvantages of natural fibers.2. Which type of season is needed for cotton growth? Enlist any 10 cotton growing areas and discus the physical and chemical properties of different types of cotton.3. How is cultivation and extraction of jute fiber done? What are the properties that restrict jute fibers to be used in apparels?4.A. Explain the rearing of silk worm along with properties and end use of silk fibers.B. what are the impurities found in wool? Describe method to purify the wool?5.A. what do you understand by term regenerated?B. Describe the flow chart to manufacture viscose.6.A. how many methods are there to spin manmade fibers? Explain with the help of diagrams.B. Why is acrylic called synthetic wool? Describe the flow chart to manufacture it.7. Explain the followingi) Heat settingii) F.Q.Iiii) Cardingiv) Rettingv) Yarn numbering system8.A. Differentiate b/w warp winding and pirn winding.B. Discus the object of warping process.C. Why can sizing be eliminated while manufacturing synthetic suiting?TE, TC, TT IIIrd SEMTEXTILE FIBERS-2010UNIT 1A. Classify the fibers according to their chemical structure.B. Explain the essential and desirable properties of textile fibers.ORA. Define the following-I) MonomerII) PolymerIII) Polymerization and type polymerization.IV) Degree of polymerization.B. Write the chemical structure and draw microscopic view of following-i) Cottonii) Wooliii) Polyesteriv) AcrylicUNIT 2Explain the cultivation, retting, morphology and composition of linen fiber. Also give its properties and application area.ORExplain briefly cultivation & retting practices of followingi) Juteii) Hempiii) RamieUNIT 3A. Enlist the important amino acids found in wool polymer with their respective composition.B. Classify wool according to fleece.C. What do you mean by felting of woo.ORA. What are the main constituents of wool grease?B. Which type of impurities are found in wool and how can them be removed.C.Explain various properties of wool in detail.UNIT 4Explain the following for silki) Sericultureii) Reelingiii) ThrowingORA. Differentiate the domestic and wild silk; also give 2 examples of each.B. Explain degumming and weighing of silk.C.Explain the morphological structure and chemical composition of silk fiber.UNIT 5A.Briefly explains the manufacturing process of polyester polymer using dimethyl terepthalate as a starting material.B. Briefly explain the N6polymer production process.ORWhat is regenerated fiber? Explain the manufacturing process of ordinary viscose rayon and also write properties and application.TC, TT, TE-2002TEXTILE RAW MATERIALANSWER ANY 51. Write a short note on any 4I) Waste of silk.II) LumenIII) Dry and wet tenacity of fiberIV) Degree of polymerizationV) Felting of wool2.How are the raw materials prepared for nylon-66? Describe the steps involved in polymerization of polyester. Define wet dry and melt spinning.3.Describe the life cycle of silkworm and sericulture. What are bast fibers and how are they retted?4.A. classifies cotton according to geographical location.B. How is cellulose formed in nature and writes the formation of crystalline and amorphous regions in cotton fiber.5.Explain the complete morphology of wool.6. A. how is the raw material prepared for acetate rayon fiber.B. Write the composition of spinning bath solution of viscous rayon. What are the factor affecting the quality of wool?7.A. briefly explains the various method of production of polyester fiber.B. differentiates b/w LDPE AND HDPE.8. Explain the manufacturing process of acrylic with chemical reaction and flow sheet. How is it different than mod. AcrylicTC, TT, TE 2002TEXTILE RAW MATERIALANSWER ANY 51.A. explain the world sources of textile fibers.B. Classify the textile fibers based on chemical characteristic.2.A. What is the role of following chemicals in viscous rayon manufacturing?i) 17.5% NaOHii) CS2iii) 10% H2SO4iv) CaHSO3v) 20% Na2SO4vi) 2% ZnSO4B. How is the cotton linters purified? Also write about the other raw materials needed for secondary acetate rayon fiber.3.A. Give the name of raw materials used for following nylons along with chemical structure-I) N46II) N66III) N610IV) N4V) N6VI) N7B. what is polyester? How is raw material prepared for polyester?4.A. Define acrylic and non acrylic.B. how is acrylonitrile polymerized? Explain the various polymerization technique used for polymerization of acrylic with advantages and disadvantages.5.A. classifies the bast fibers. Why do these fibers give harsh feelings?B. explains the cultivation practices, retting process, extraction of fiber, properties and uses of jute fiber.6.A. fills in the blanks.MR TENACITY LENGTH DIA(%) (Gpd) (mm) (m)COTTONWOOLSILKLINENB. which type of impurities is found in wool fiber? How are these removed?7.Differentiate b/w followinga) Keratin and fibroinb) Lumen and medullac) LDPE and HDPEd) N6and N668. Write about the followingI) Use of stabilizing agent in polymerization of nylonii) Mercerization of cottoniii) Partial deacetylation of acetate rayonIV) Ortho & Para cortex of woolTC, TE, TT IIIrd SEM-2007TEXTILE RAW MATERIALSUNIT 1What is textile fiber? Which characteristics a textile fiber should posses? Which type of impurities is present in natural fiber?ORClassify the textile fibers. Which textile fibers are most common in use? Give their end used and important properties.UNIT 2Give detailed description of cultivation of cotton fibers with mention of verities?ORWrite a note on cultivation of jute fiber with its physical and chemical properties.UNIT 3Give morphological structure of wool fibers with mention of verities?ORDiscuss the physical and chemical properties of wool fiber with its grading and sorting methods.UNIT 4Explain the method of rearing of silk worm with throwing and weighting.ORDiscuss the morphology of silk fibers with the physical and chemical propertiesUNIT 5Discuss the manufacturing process of polyester fiber with its properties and end use.ORWrite a note on Lycra, spandex and loy cell with their end uses.TT, TE, TC-IIIrd SEMTF, TRM, TF-2009UNIT 1A. classify natural fibers. Which fibers is called as king of fibers and why?B. name a few impurities generally associated with a heap of cotton.ORA. What are the different types of impurities associated with wool? Classify these impurities.B. Classify various manmade fibers with suitable example.UNIT 2A. discuss the morphological structure of cotton.B. Name any 4 varieties of cotton available in northern belt of India.C. Write down the various vital properties of fiber along with the importance of each.ORA. What is the golden fiber? Describe in brief, the process involved in extraction of this fiber.B. How does flax differ from other bast fibers with reference to its properties and end uses?UNIT 3A. discuss in detail the morphological structure of wool.B. In the light of world resources for wool, classify different type of wool.ORA. How does wool give warmth during winter season?B. Enlist the physical and chemical properties of wool.UNIT 4A.state the rearing of silk worm.B. How many type of silk you know? Specify the difference.C. Enlist some important physical properties of silk.ORA. What is the difference b/w brin and bave?B. Draw neat and clean sketches to show longitudinal and cross sectional view of silk fiber.C.Write a note on silk reeling, throwing and weighting.UNIT 5A. differentiate acrylics from modacrylics and draw a flow chart to show the production of any one of these.B. write a note on Lycra or spandex.C. how many types of rayons you know? Which one is most widely used in industry?ORA.What is the difference b/w nylon 6 and nylon 66?B.Discuss in brief the manufacturing process and properties of viscous rayon or polyester fibers.

UNIT 1A. what is the various control structure in C++ language? Briefly explain each of them.B. Create a simple class in C++. Make object of this class. Use these objects in C++ program.ORA .Write a small C++ program that uses functions. This function receives parameters, which are passed by reference to these functions.B. Write a small C++ program which uses a class. This class contains inline functionUNIT-2A. write a small C++ program, which uses a class, these class contain more than one member functions.B. write a small C++ program, which uses a class; this class contains an array of data.ORA.Write a small C++ program, which uses a class; these class contains a private member function.B.Write a small C++ program, which uses a class; these class contain a static data member.UNIT 3A. What are constructors? Why are they required in a class? Briefly explain it with the help of a suitable example.B. what are destructors? Explain with the help of example.ORA.Write a small C++ program, which uses a multiple constructor in a class.B.Write a small C++ program, which uses a copy constructor in a class.UNIT 4A. Briefly explain how an array operator can be overloaded in a C++ program. Give suitable example.B. Explain how a binary operator can be overloaded in a C++ program. Give an example.ORA. Write a C++ program to overload the binary + operator.B.Write a C++ program to overload the unary - operator.UNIT 5A. what is inheritance in C++? Explain with the help of an example?B. write a small C++ program to show the use of inheritance in C++.ORA. Write a small C++ program to show the use of multiple inheritances.B.Write a small C++ program to show the use of files.