Download SGBAU B-Tech 6th Sem Poly Plast Composite Technology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 6th Sem Poly Plast Composite Technology Previous Question Paper

B.Tech. Sixth Semester (Polymer (Plastic) Tech.) (CGS)
11125 : Elcctive-ll : Composite Technology : 6 F EPP 05
AW ? 3256 . 1 9.120
composite.
p. l?agcs : 2 llllllllllllilllll AW - 3256
Time : Three Hours . o 713 a . Max. Marks : 80
Noles : 1 Answer three question from Section A and three question from Section B.
2 Due credit will be given to neatness and adequate dimensions.
3 Diagrams and chemical equations should be given wherever necessary.
4. Illustrate your answer necessary with the help of neat sketches.
5 Discuss the reaction. mechanism wherever necessary.
6 Use of pen Bluc/Black ink/rc?ll only for ?riting the answer book.
SECTION - A
1 a) What are composites? What are the basic ingredients of composites? 6
b) Discuss the classi?cation ol'compositcs on basis ofmatrix? Give examples of each class. 7
OR
2. a) . Discuss the selection criteria for materials & composite formation. 5
b) Discuss the following factors that affects composites? 8
i) Bonding ii) Wcttabilily
iii) Surface tension iv) Compatibility ratio
3. u) Discuss preparation. properties & application of Epoxy thermusct resin in detail. 7
b) Explain cross linking mechanism ofunsaturated polyester resin? 7
()R
4. 21) Discuss the following matrix materials in detail. 9
i) Polymer matrix composite
ii) Metal matrix composite
iii) Ceramic matrix composite
b) Explain thermoplastic & thermoset resin materials used in making of composites. 5
5. Explain manufacturing process, properties and application of carbon ?ber? 13
OR
6. a) What do you mean by interphase? Discuss the role and behavi?ur of interphase in 6

b)
7. a)
b)
8.
9. a)
b)'
10
I]. a)
b)
12.
AW - 3256
What do you mean by remtbrchm-m?.? Discuss various types offibcr used as reinforcement
in composite technology
SECTION ? B
Differentiate bctxvcen open molding and close molding process used in polymer
Composite technology.
What do you mean by RTM? Give its process detail in making of composite.
OR
What are Additives? Explain its role in making & improving the performance ot?polymcr
composites. Discuss the requirement which a material should have to act as additives.
(iive selection critcriu of additives in composite.
How modi?cation and udvzmcemcnl can be made in conventional composite to make it
2 dvancc composite?
Explain pultmsion process for composite manufacturing in detail with the help ofneat
sketch.
0R
Explain with neat Slu?lt h the {011m mg processing techniques. with it's application,
tdvantages $2 limitations
it Resin 'I?ranst'cr nmulding
ii) Filamentwinding
Discuss advantages (8;; limitations m design of composites.
Discuss the importance ofcompo~ite in area of
i) Civil engineering
ii) Aircraft & Acrnspace
()R
State thc application of different composites in ?eld of
i) T extilc Industry
ii) Civil Engineering
iii) Chemical lndustn
iv) Electrical & Electronics
*********
Id
14