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Roll No. [ ] [ TTTTTTT] Total No. of Pages : 02
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Total No. of Questions : 09B.Tech.(Textile Engg.) (2011 Onwards) (Sem.=5)
TEXTILE TESTING
Subject Code : BTTE-505
M.Code : 71616
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Time : 3 Hrs. Max. Marks : 60INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
- Answer in brief :
- Mention the difference between testing and inspection.
- What is standard testing atmosphere of textile testing?
- Define elastic recovery in tensile testing.
- Explain yarn hairiness index.
- What is index of irregularity?
- What are imperfections in yarn faults?
- What are the causes of short term count variation in yarn?
- Define compressibility of textile fabric.
- What do you mean by grab strength in tensile testing of fabric?
- Define bending length of fabric.
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SECTION-B
- Describe any two methods of fibre sampling techniques for determination of fibre properties.
- What are the reasons of difference in moisture regain values of various textile fibres?
- Explain the principle of working of vibroscope instrument of measurement of fibre fineness.
- Define drape and handle of fabric. Describe a method of measurement of fabric drape.
- Describe method of measurement of tearing strength of fabric.
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SECTION-C
- Define bending rigidity and crease recovery of fabric. Write the name of the instrument/apparatus for their measurement. Explain the measurement method of bending rigidity of fabric. 3+2+5
- What do you mean by yarn count CV%? What are the methods of its measurement? Describe any one of them. 2+2+6
- What are the CRE, CRL and CRT principles of tensile testing of textiles? Give examples of the instruments working-on each of these principles. Describe any one of these instruments for measurement of tensile strength. 2+3+5
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech Question Papers 2020 March (All Branches)