Name of the College : Mahatma gandhi University
Department : Polymer Engineering
Subject Code/Name : PO 010 801/Polymers & Environment
Sem : VIII
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/4990-PO%20010%20801%20Polymers%20&%20Environment.pdf
Polymers & Environment Model Question :
Eighth Semester B Tech Degree Examination
Polymer Engineering :
PO 010 801: Polymers & Environment
Related : MGU PO010805G01 Fibre Technology B.Tech Model Question Paper : www.pdfquestion.in/4994.html
Max Marks : 100
Time : 3 Hrs
Part A :
(Answer All)
1.Name commodity plastics commonly used for packaging.
2.Write on the difficulties associated with recycling of municipal waste.
3. What is meant by WTR. Write its significance?
4.Define enzyme mechanism associated with plastic biodegradation.
5. Compare recycling of Industrial and consumer plastic waste.
(5 X 3=15)
Part B :
( Answer All)
6. Distinguish between chemical and physical recycling .
7. What is meant by SPI coding for plastic Identification?
8.Which are the factors that affect the functioning and activity of enzymes?
9. Explain the major resources for synthesis of plastic materials.
10. Compare the features of intracellular and extracellular biodegradation.
(5 X 5= 25)
Part C :
( Answer all)
11. (a) Explain various advantages of using polymer products in comparison with metals and ceramics.
OR
(b)Explain major global environmental issues with its causes and remedies.
12. (a)Explain various methods for sorting and segregation of mixed Plastic materials.
OR
(b)Compare and contrast between Physical and Chemical recycling. Explain with examples.
13. (a) Explain Rubber reclamation, main features and applications.
OR
(b) Explain the scope of PET bottle recycling with all machinery required .
14. (a)Explain synthesis, processing and properties of Biopolyesters.
OR
(b)What are the advantages and disadvantages of using Biodegradable plastics .
15. (a)Explain different test methods used to evaluate Plastic Biodegradation.
OR
(b) Write notes on i) Starch based plastics ii) Intracellular and Extracellular biodegradation. (5 X 12= 60)
B.Tech. Degree Examination, May 2014 :
Eighth Semester
Branch : Mechanical Engineering
PE010802 Operations Management (Regular/Supplementary)
Time : Three Hours
Part A :
Answer all questions.
Each question carries 3 marks.
1. What is the significance of forecasting?
2. What do you mean by Product Structure
3. What are the different types of Scheduling
4. Define TPM
5. Describe Flexible Manufacturing Systems
Part B :
Answer all questions.
Each question carries 5 marks.
6. Explain the different types of Decisions made in operations Management with examples
7. Explain MRP II?
8. Write down the principal assumptions of sequencing
9. What are the different types of maintenances?
10. What are the objectives of Supply chain Management
Part C :
Each question carries 12 marks.
11. Explain one quantitative and qualitative forecasting technique. Compare between these techniques? OR
12. The annual sales of a company are as follows
Year 2001 2002 2003 2004 2005
Sales 45000 56000 78000 46000 75000
Find the trend value in each year. Also estimate the sales of 2006
13. Explain the 3 major input of MRP process? OR
14. How is a MPS created and how is it used?
15. Consider a 3 machine and 5 job flow shop problem as shown in table Processing Time
Job Machine 1 Machine 2 Machine 3
1 10 10 12
2 12 8 20
3 16 6 14
4 12 4 20
5 20 8 8
a) Check whether Johnson’s algorithm can be extended to this problem
b)If yes find the optimal sequence and corresponding makespan OR
16. Two jobs are to be processed through four machines A,B,C and d with the following technological ordering :
Job1 A B C D
Job 2 D B A C
Processing times are given in the following table(time in hour)
A B C D
Job 1 20 40 50 10
Job 2 20 50 30 60
Find the minimum elapsed time for both jobs and also the idle time for both the jobs
17. Explain the different measures of Maintenance Performance. OR
18. Write a note on Replacement policies with examples
19. Discuss the scope of ERP and difficulties in its implementation? OR
20. Explain the supply chain management concepts and list its benefits?
Speciality Polymers B.Tech Model Question Paper :
Part A :
(Answer all questions)
(Each question carries 3 marks)
1. What are the structural requirements for high temperature resistance of polymers?
2. With an example define conducting polymers
3. Define photoresist with its importance
4. With an example define ionic polymers
5. What is meant by liquid crystalline behavior? What type of polymers exhibit this phenomenon?