Define technical textiles.
[3 marks]Discuss in brief about the various fibres used for manufacturing technical textiles.
[4 marks]Write a short note on textile-reinforced composite materials.
[7 marks]What are nonwovens?
[3 marks]Compare coating and lamination.
[4 marks]Write a short note on filter fabrics.
[7 marks]Compare parallel laying and cross laying.
Write briefly about the wet laying process.
[3 marks]What are the problems experienced in cross laying and state the measures taken to solve these problems.
[4 marks]Explain the working of carding machine used for manufacturing of nonwoven fabrics.
[7 marks]Define the following terms : Intensity of Carding and Delay factor.
[3 marks]Air laid fabrics are randomly laid fabrics. State and explain if the statement is true or false.
[4 marks]Explain the concept of mechanical bonding.
[7 marks]What is geotextile?
[3 marks]Write briefly about the technical fabric structure woven fabrics.
[4 marks]Compare thermal bonding and chemical bonding.
[7 marks]State some of the important properties of carbon fibre and explain the method of production of these fibres.
[3 marks]Write briefly about the technical fabric structure knitted fabrics.
[4 marks]Compare spunbond with melt blown fabric. With the help of neat diagram, explain the method of production of spunbond fabric in detail.
[7 marks]State the names of various methods of coating.
[3 marks]Discuss briefly about the glass fibre.
[4 marks]Write a short note on wet processing of technical textiles.
[7 marks]What is medical textile?
[3 marks]Discuss briefly about the coating materials used for technical textiles.
[4 marks]Write a short note on finishing of technical textiles.
[7 marks]