Process and Quality Control in Textile — Winter 2023

How the reed parameters affect the weaving performance?

Discuss the various ring frame parameters responsible for the generation of yarn hairiness.

Discuss the role of machinery and labour on productivity of a weaving mill.

State the importance of process and quality control in textile.

Discuss the control of mixing quality through fiber characteristics.

Explain in detail the methods of controlling the generation of neps at blow room, card and comber.

Discuss in detail about warp steaks & reediness along with its causes and remedies.

What is yarn realization? Discuss the parameters affecting the yarn realization.

Explain the control of variability of lea strength.

Discuss the technological considerations with reference to control of comber waste.

Discuss in brief the control of blow room waste.

Explain the steps involved in instrumental evaluation of quality of mixing.

Discuss the various factors causing within bobbin count variation.

What are the different types of yarn irregularity?

Discuss briefly optimization of cleaning at cards.

Explain the working principle of the digital online system for yarn clearing and quality control in modern winding.

State the causes of thick and thin places in yarn.

Explain the key variables for process control in spinning.

Explain the effect of immersion roller, squeezing roller, & size paste level on average size pick up in sizing.1

Write any two parameters to improve the build of the pirn package.

Write in short on causes & remedies for weft bar damage.

Discuss in detail about the quality of warping beam.

What are the causes of tightness/slackness in shed connections? How ratio of front and back heald shaft lift is calculated?

Discuss the causes and remedies for small weft loop damage.

Explain the various aspects of controlling unwinding tension at winding process.