Maharashtra State Board of Technical Education 2012-6th Sem Diploma Chemical Engineering for in Subject Sugar Technology(12301) - Question Paper
MSBTE Sample ques. Paper for Diploma in Chemical Engineering
Sixth Semester
Subject Sugar Technology. (12301)
Sample Question Paper
Scheme - E
Course Name : Diploma in Chemical Engineering
Course Code : C*H
12301
Semester : Sixth
Subject Title : Sugar Technology.
Marks
: 100
Time: 3 hrs.
Instruction:-
1. All the questions are compulsory.
2. Figures to the right indicate full marks.
3. Assume suitable additional data if necessary.
Q.l A) Attempt any THREE of the following:
12 Marks
a. Show the steps involved in refining of sugar.
b. Describe how pulp and paper is made form bagasse?
c. Explain filtration process in cane sugar refining.
d. Give in brief a history of sugar cane and present cultivation prospects in Maharashtra.
Q.l(B) Attempt any ONE of the following:
06 Marks
a. Draw a neat labeled diagram for pyrolysis of burgesses to produce bio oil fuel.
b. Describe manufacturing process of absolute alcohol from molasses.
Q.2. Attempt any TWO of the following:
16 Marks
a. State the application of ion exchange resins in sugar industry.
b. Describe in brief extraction of juice from cane.
c. A single effect evaporator is to concentrate 20000 kg/h of a solution having a concentration of 5% salt to a concentration of 20% salt by weight. Steam is tea to the evaporator at a pressure corresponding to the saturation temperature of 399 k (126 c). The evaporator is operating at atmospheric pressure & boiling pt. rise is 7k. Calculate the heat load & Steam economy.
Data
i) Feed Temp. - 298 k (25c) 2) Specific heat of feed = 4.0 kj/kg k. u) Latent heat of condensation of steam at 399 k = 2185 kj/kg.
in) Latent heat of vaporization of water at 373 k = 2257 kj/kg.
Q.3. Attempt any FOUR of the following: 16 Marks
a. Describe cane sugar affination.
b. Give chemical composition of sugar cane juice.
c. State and explain PH in cane sugar refining.
d. Give the properties and advantages of ethanol as a fuel.
e. Write a short note on sugar based industry specially confectionary.
Q.4A) Attempt any THREE of the following: 12 Marks
a. State and explaui classification of byproduct from sugar industry.
b. Write short note on manufacture of paper.
c. Describe the manufacture of candy sugar with diagram.
d. Write short note on storage of Bagasse.
Q.4B) Attempt any ONE of the following: 06 Marks
a. With a neat sketch explain construction and working of Swenson -walker crystallizer
b. How will you estimate sugar by using polanmeter.
Q.5 Attempt any TWO of the following: 16 Marks
a. How is the recovery of sugar from molasses done? Explain.
b. Draw* a neat diagram of forward feed arrangement and backward feed arrangement for multiple effect evaporation system.
c. Draw a neat sketch of manufacture of cane sugar.
Q.6 Attempt any FOUR of the following: 16 Marks
a. Explain the following process
l. Defecation
ii. Sulplntation
b. Explain decolourisation of sugar.
c. Draw a neat sketch of long tube evaporator.
d. Define Brix %
e. State chemical composition of sugar cane juice.
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