Friday, July 10, 2015

Mahatma Gandhi University Chemical B.Tech P.E.T Rubber products design eight semester model Question paper 2014

University: Mahatma Gandhi University
Course: B.Tech
Subject : Rubber products design
Year of Question Paper : 2014

MAHATMA GANDHI UNIVERSITY
POLYMER ENGINEERING
VIII SEMESTER  B.TECH  DEGREE EXAMINATION
PO 010 802: Rubber Products- Design & Testing (PO)
Time :3 hrs
Maximum Marks : 100

Part A
Answer all the questions
Each questions carries 3 marks

1. What is the significance of neutral angle in hose design
2. What are the important dynamic properties of rubber
3. Distinguish static and dynamic seals
4. Explain working principles of TGA
5. What are the special design adopted for giving rubber to metal bonding.
(5X 3= 15)

Part B
Answer all the questions
Each questions carries 5 marks

6. Discuss the various type of bridge bearing.
7. What are the important requirements for a rubber mounting.
8. What are the construction difference between a conveyor belt and V-belt.
9. Differentiate between material damping and structural damping.
10. Explain Chromatographic technique for analysis of a rubber compound.
(5 X 5 = 25)

Part C
Answer all the questions
Each questions carries 12 marks

11. a.  Compare important design features to be considered while making a compound
with NR, CR and EPDM
OR
         b. Explain important rubber product design features.
12. a. Discuss the different types of flexible coupling.
OR
       b. Write short notes on     (i) Critical damping ,      (ii) Torsional Vibrations ,
                                              (iii)  Forced Vibrations    (iv)  Transmissibility.
13. a. Explain in detail the manufacture of a rubber hose.
OR
       b. Explain the important parameters to be considered for designing a static seal.
14. a. Write a formulation for heat resistant conveyor belting. Justify your selection
       Explain the manufacture of V-belt
OR
       b.  Explain the manufacture of cables.
15. a. Explain important spectroscopic methods used for the analysis ofrubber
           Vulcanizates
OR
      b. Explain different thermal analysis used for the evaluation of rubber vulcanizates.
(5 X 12 = 60)..

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