Download SGBAU B-Tech 8th Sem FPOPC Petro Pulp n Paper Tech VI Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 8th Sem FPOPC Petro Pulp n Paper Tech VI Previous Question Paper

B.Tech. Eighth Semester (F ood, Pulp & Paper. ()il & Paint and Petro. Tech.) (CGS)
11089 : Pulp & Paper Technology-VI : 8 PT 01
P. Pages : 2 lmw??m?rlm AW ? 3511
Time : 'l?hrcc Hours .? o 8? 2 ?1? . Max. Marks : 80
Notes : 1. Due credit will be given to neatncss and adequate dimensions.
2. Assume suitable data wherever necessary. '
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.
SECTION - A
l. a) What do you understand by crowning ofcalcndcr rolls? How would you maintain desired 6
crown?
b) Draw a neat diagram of shear cut winder and explain the working of rewinder. 5
c) What do you understand by ream of vm'ting printing paper? 3
OR
2. a) What do you understand by short grain and long grain sheet? 4
b) How is chilled calender roll manufactured? 5
c) Explain how combination cutter is able to cut shoot in two different sizes? 5
3. 3) Explain the spray application of starch as surface sizing chemical. 4
b) How is wet soak paper manufactured? 4
0) Explain the lamination of plastic on the paper. 5
0R
4. a) List the various factors which affect surface sizing of paper. 4
b) What is the effect of viscosity, solid content and temperature on surface sizing of paper? 5
0) During coating of paper what is the role played by casein? Explain in brief manufacturing 4
ol?cascin.
5. a) What procedure would you follow to measure the tensile strength ofpaper? 5
b) Why testing of paper is necessary? Write down the various bene?ts which the company 5
accrues due to testing.
c) What do you understand by ?uorescence in papcr?? How would you remove it during 3
AW - 3511 1 P.T.O
brightness measurement?
OR

10.
ll.
12.
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b)
C)
b)
e)
a)
b)
a)
b)
a)
b)
a)
b)
How would you measure tearing strength of paper? Which factors control tearing strength?
What do you understand by surface strength of paper? How would you measure it?
List the various tests you mould use to measure blcuch requirement of unbleach pulp.
SECTION - B
Write down the ?ow rates and waste water characteristics of large integrated paper mill.
What are the bene?ts of recycling water in the paper industry? Explain the working of marx
conical saveall.
What problems would paper technologist face if condensate from evaporator is recycled.
0R
[low is odorous gaseous by products form in Kraft pulping process? What steps would you
take to minimise it's formation??
Explain the working of aeration tank of activated sludge process.
Write down the raw material used and properties ot?class A insulation boards.
How would you use a typical l?ourdrin'cr paper machine to manufacture insulation boards?
()R
Explain the use ofAsplund Dc?bralor to produce pulp for hard board manufacture.
In the manufacturing of pmticlc board which hinder would you use? Write down in details
the furnish used and binder percentagc added.
How would you ?nish class (T?Rool' Insulation boards?
Explain the formation ofpaper in a hard mode Vat.
Which type of boards would you use to package confectionery products? W rite down the
characteristics ofsuch boards.
Discuss: the various strategies you would follow to conserve steam during evaporation of
black liquor in evaporator.
OR
How would you water mark hard mode papers?
Write down the characteristics ol?liquid packaging hoards.
To conserve energy duri 11g pulp re?ning what strategies would you follow.
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