IV- B.Tech. II Semester Examination April, 2003 PLASTIC AND POLYMERIC MATERIALS (Metallurgy and Materials Technology) Time: 3 Hours Max. Marks: 70 Answer any Five questions All questions carry equal marks --1. What are the different types of polymeric reactions? Discuss the reactions with typical examples. What are the raw materials for polymers? Indicate their sources. What is glass transition temperature? What is its significance?
3.
Discuss the functions of the following additives on polymer characteristics giving typical examples for each category: a) Fillers b) Plasticizers c) Stabilizers d) Colorants
4.
What are the methods of addition polymerization? Giving the raw materials explain the manufacture of thermoplastics-polyethylene LDPE and HDPE. What are their properties and uses?
5.
Explain the method of manufacture, properties and important applications of a) PVC b) PTFE
6.
What are the raw materials for (a) PMMA and (b) Nylons. Briefly explain the method of manufacture, properties and uses of the above polymers.
7.a)
What are the important Thermosetting resins? Describe the production of phenol formal dehyde resin. Explain about the effects of temperature, time and catalysts on properties of polymers.
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Write short notes on any Four: a) Copolymerisation b) Inhibitors c) Cross-linking d) Polystyrene e) Cellulose acetate Crystallinity of polymers.
421855 IV- B.Tech. II Semester Examination April, 2003 ...
6. What are the raw materials for (a) PMMA and · (b) Nylons. Briefly explain the method of manufacture, properties and uses of the above · polymers. 7.a) What are the important Thermosetting resins? Describe the production of phenol · formal dehyde resin. b) Explain about the effects of temperature, time and catalysts on ...
Of what concern would the formal organization structure be to an information · systems designer? 3. âInventory Management System is a vital area of ...
IV- B.Tech. II Semester Examination April, 2003 · ARTIFICIAL INTELLIGENCE · ( Electronics and Communication Engg and Computer Science and Engg) · Time: 3 Hours · Max. Marks: 70 ... and all skiers like snow. Mike dislikes whatever Tony likes and likes
b) What are the chief merits of Induction heating? 6. a) Explain the principle of Dielectric heating. b) Discuss the thermal losses that occur in Dielectric heating.
d) Jade · 5.a) Distinguish between natural pearls and cultured pearls. b) Write about the crystal structure appearance, properties, genesis and occurrence of · Coral. 6. Explain how synthetic diamond and synthetic saphire are manufactured. How do · t
Max.Marks:70 · Answer any FIVE questions · All questions carry equal marks · --- · 1. Solve the following equations using Cramer's rule: · x+3y+6z = 2; 3x-y+4z ...
IV- B.Tech. II Semester Examination April, 2003 · TOOL DESIGN · (Mechanical and Production Engineering) · Time: 3 Hours · Max. Marks: 70 · Answer any Five questions · All questions carry equal marks · - - - · 1.a) Sketch a single point cutting tool a
Discuss about the Hazards of Heat Transfer Operation. 4. Discuss about : · a) Float Switches · b) Bubbler type Level Gauges. 5. Write about industrial safety ...
LASER AND FIBER OPTICS IN MEDICINE · ( Bio-medical Engineering ) ... b) Write a note on medical surveillance. 6.a) What are the advance reactions to laser ...
cos (2пn/N) · b) Show that out put sequence y(n) of an LTI system is the convolution of input · sequence x(n) and the impulse response of the system h(n). c) A digital system is characterized by the following difference equation: · Y(n) = x(n)+ay(n-
III-B.Tech. II-Semester Examination April, 2003 · ADVANCED COMPUTER ARCHITECTURE · (common to Computer Science and Engineering, Computer Science and · Information Technology.) Time: 3 hours · Max. Marks: 80 · Answer and five questions · All questions
SATELLITE COMMUNICATIONS · ( Electronics and Communication Engineering ) ... b) Draw the block diagram of a satellite communication and explain each ...
b) The annual input to a sub-transmission system is 1,75,200 MW hrs. On the peak- · load day of the year, the maximum demand is 50 MW and the energy input ...
How are network techniques useful to prevent time and cost over runs in project · implementation? 3. What is human resource planning? What are its objectives ...
6.a) With the help of flow sheet explain the production of titanium tetrachloride from · Ilmenite. b) Discuss various processes used for the production of ductile titanium. c) Give some uses of Tio2 and titanium medal. 7.a) How are uranium isotopes s
III-B.Tech. II-Semester Examination April, 2003 · CONTROL SYSTEM COMPONENTS · (Electronics and Control Engineering) · Time: 3 hours · Max. Marks: 70 · Answer any five questions · All questions carry equal marks · --- · 1.a) Write a brief note on Gene
b) What are the various process parameters be considered in improving quality and · productivity in ECM? 3.a) Explain the construction and working of Electro-chemical Deburring and Electro- · Chemical Honing. b) What considerations should be looked i
b) Describe the phenomenon of temper embrittlement. 7.a) Describe Irwin theory of fracture mechanism and also determine the crack · extension force exerted ...
Explain about the following faults in Digital circuits. ... 3.a) Define the terms Fault detection, Fault location, Fault Diagnosis in logic ... combinational circuits.
What is its · maximum discharging capacity? 6. Discuss the problems associated with peak voltmeter circuits using passive · elements. Draw circuit developed by Rabus and explain how this circuit · overcomes these problems. 7. Write short notes on: ·
b) With the help of a circuit explain in simple what is a Cyclo-converter? How it · differs from a full wave converter. 5.a) With a neat circuit diagram and wave forms, explain the operation of a single · phase bridge Cyclo-converter with RL load. b)
2.a) Discuss the manufacture of Nitric acid by Ammonia oxidation process. Draw the · necessary flow diagram. b) Explain the thermodynamic and kinetic considerations involved in the · manufacture of Ammonia. 3.a) Describe the manufacturing process for