JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To provide the knowledge about the Testing instruments used for testing of fibers
• 2. To educate and understand the need, principle, selection of the fiber, yarn samples.
• 3. To learn about the testing method followed in testing the fibre properties
• 4. To learn about the interpretation of results
• 5. To learn about the selection of specific instrument for measuring a specific property of fibre / yarn

Course Outcome

(Graduate to have)

• 1. An ability to test different types of fibres, Yarns using different types of instruments
• 2. An ability to understand the relations between the conditions of testing and substrates in relation to method of Testing and instruments
• 3. An ability to understand different fibre properties and relate them.
• 4. An ability to use fibres according to their end uses applications
• 5. An ability to interpret the results of testing
• 6. An ability to suggest the process parameters to spinning based on the testing results

List of Experiments (Minimum of 8 Experiments have to be Performed)

• 1. Identification of textile fibers under microscope (Demonstration).
• 2. Determination of fiber maturity by NaOH swelling method and differential dyeing techniques.
• 3. Determination of ginning percentage.
• 4. Determination of fiber length by Hallo and Butterfly Method.
• 5. Determination of fiber length by Bear Sorter and Interpretations by other methods.
• 6. Determination of fiber fineness by ATIRA fineness tester.
• 7. Determination of yarn count by different methods.
• 8. Determination of moisture content of cotton material.
• 9. Determination of single yarn twist
• 10. Determination of plied yarn twist.
• 11. Determination of Single Yarn Strength
• 12. Determination of CSP and CCSP of Yarns