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Previous Year Exam Questions for Composite Materials - CM of 2018 - BPUT by Bput Toppers

  • Composite Materials - CM
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Civil Engineering
  • B.Tech
  • 3 Offline Downloads
  • Uploaded 10 months ago
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Registration No : Total Number of Pages : 01 B.Tech PEME5408 7th Semester Back Examination 2018-19 COMPOSITE MATERIALS BRANCH : AUTO, CIVIL, MANUFAC, MANUTECH, MECH, PE Time : 3 Hours Max Marks : 70 Q.CODE : E172 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Q1 a) b) c) d) e) f) g) h) i) j) Q2 Q3 (2 x 10) resins for FRP a) b) What is FRP? What is potential advantages of FRP composites Illustrate symmetric and anti-symmetric FRP laminates. advantages and disadvantages. a) Name of the various fibers used (at least four) and compare between them for manufacture of advanced FRP composites. State the properties of following matrix materials and compare their use and performances: (i) Epoxy (ii) Polyester (iii) Phenolic (5) Differentiate micromechanical and macromechanical behavior composites. Explain the Manufacturing procedures for fibre-reinforced plastics. (5) b) Q4 Answer the following questions : Classify the composite materials. What are the advantages of composites? What is the difference between fibers and matrix? What is whisker? Differentiate between thermosetting and thermoplastic composites? Explain the phenomenon of partial ply failures? What is critical length of fiber? What are fillers and inhibitors? What are hybrid composites? What is sandwich panel? a) b) Discuss of their FRP (5) (5) (5) (5) Q5 a) b) Distinguish between Laminated and Particulate composite. Describe the procedure of conducting the test for measurement of fibre volume fraction and matrix volume fraction in an FRP lamina. (5) (5) Q6 a) b) Explain the Kelly Davis model for minimum and critical volume fractions. Explain the optimum and critical volume fraction for an FRP lamina. (5) (5) Explain the Micromechanical analyses of orthotropic lamina (10) Q7 Q8 a) b) c) d) Write short answer on any TWO : Metal matrix composites (MMC). Characteristics of composite materials. Laminar composites Rules of Mixtures (5 x 2)

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