Define testing and standards.
[3 marks]Give the full form of
[4 marks]ASTM (ii) ISO (iii) BIS (iv) DIN
[ marks]What is the need of testing and standardization in plastic industry? Explain in details
[7 marks]Classify Mechanical tests.
[3 marks]Testing and quality goes hand in hand. Explain the sentence.
[4 marks]What is compressive strength? Which test method is used to determine it? Explain in detail.
Explain in detail procedure to carry out 3 point bending test.
[7 marks]Describe copper wire test for identification.
[3 marks]Explain bending test and tearing test to identify plastic materials with examples.
[4 marks]Which are the test methods to identify plastic materials? List them and explain (i) sound test, (ii) flotation test, (iii) appearance test.
[7 marks]Explain the need to identify plastic materials.
[3 marks]Write short note on creep.
[4 marks]Explain the identification of given plastic materials based on combustion test.
[7 marks]PE (ii) PVC (iii) PC (iv) PS
[ marks]PA (vi) Polyurethane (vii) Phenol Formaldehyde
[ marks]What are flow properties of plastic materials? How does it affect the processing parameters of same?1
[3 marks]Explain water absorption test
[4 marks]Write in detail about cup flow test and spiral flow test
[7 marks]What is density? What is the role of density in plastic industry?
[3 marks]Explain the test method to determine the density of polymeric material.
[4 marks]What is full form of MFI? Explain the test to determine MFI in detail.
[7 marks]Define hardness and state its types.
[3 marks]Define-
[4 marks]Stress (ii) Strain (iii) Gauge length (iv) Percentage elongation
[ marks]Define tensile strength. Write in detail about the test to determine tensile properties.
[7 marks]Define Flexural Strength. State its types.
[3 marks]Define Shear strength and write the procedure to calculate the same.
[4 marks]What are impact properties? Explain the process to carry out impact test.
[7 marks]