TYRE TECHNOLOGY — DU B.Sc. Polymer Science Previous Year Question Papers

N`ame of the Course : B.Sc. (H) Polymer Science 2. Attempt five questions in all. 1. (a) Com_pare rib and lug tread pattern. (b) Discuss drivability test of ty-re. (c) Explain A.nimal drone vehicle (ADV) tyre. (d) List the p`roperties of fabric for tyre applications. 2. (a)Exp-lain the role of curing agents in tyre compounds. (b) Write a short note on wire coating systems. (c) What are the main components of a tyre? Describe the rol`e of each. (5+ 4+3=12) 3. (a) Illustrate tread compounding. (b) Describe rolling resistance test. (c) Discuss the criteria for selecting of rubber for different compon.ents of tyre. (5+4+3=12) 4. (a) What is heat build-up in tyre? Explain factors influence heat generation. (b) Explain the procedure of bead seating test. 5. (a) E'xplain the plunger energy test. (b) Describe the constructional details of a light truck tyre with a labeled diagram. (6+6 =12) (a) What is the difference between bias and radial tyre building? (b) Describe the function of budding drum and curing operations in tyre production. (6+6=12)