Yarn Manufacture I — Summer 2025

What are the objectives of the ginning. Give the name of the different types of ginningmachines.

Discuss the different functions performed in Blow room.

With a suitable sketch explain the working principle of the Card.

What are the objectives of the Card?

Draw a flow chart to show the sequence of yarn formation in short staple spinning.

Discuss about the latest developments in ginning and baling machineries.

With a suitable sketch, explain the working principle of any one type of ginning machine.

What are the objectives of the coarse cleaning and fine cleaning machines in blow room line?

With a suitable sketch explain the construction and working of step cleaner.

Discuss about the latest technological development in the Blow room.

Draw the different types of grid bars used in Blowroom.

With a suitable sketch explain the working of electronic metal extractor used in Blow room.

Discuss the latest technological development in the Card.

Discuss the waste recycling process in Blow room.

Discuss in brief any two types of sliver defects and their remedies.

With a suitable sketch explain the working principle of a mixing machine used in Blow room.

Discuss the construction of the any one fine cleaning machine used in Blow room.

Discuss the construction of flexible clothing in Card.

With a suitable sketch explain the working of anautomatic bale opening machine.

With the suitable sketch show the different types of Card sliver coiling.

What is the function of grid bars? Where are they located in the Card?

What is the function of an autoleveller? With a suitable sketch, explain the functioning of the autoleveller in the Card.

What is Tandem card?

With a suitable sketch discuss the construction of the flats.

What is the purpose of the grinding and stripping for card clothing? Briefly discuss the IGS- top integrated grinding system.