Yarn Manufacture I — Summer 2021

What are the objectives of Blow room?

With suitable sketches explain the any two opening devices used in Blow room.

Explain the passage of material in Carding machine with a neat sketch.

What are the objects of Card?

Why card is known as “Heart of Spinning Mill”?

What are the functions of the Automatic Bale opening machine? With a suitable sketch explain the construction and working of the automatic bale opening machine.

With the suitable sketch explain a Mixing machine used in Blow room line.

Define the following terms: (i). tex and, (ii). denier.

Draw the machine sequence flow chart for cotton carded ring spun yarn and cotton combed ring spun yarn.

With the suitable diagram explain the construction and working of the Macarthy Ginning machine.

What are the objective of ginning?

What is baling? Also, mention the advantages of Baling.

With a suitable diagram explain the construction and working of the Knife roller ginning machine.

What are the function of the pre-cleaner machine in Blow room line? Give the name of any three pre-cleaner machine used in Blow room.

Explain the construction of Cleanomat CL-C1.

With suitable sketches discuss the various types of grid bars and also discuss its setting.

List out any two modern developments in blow room line.

With a neat sketch explain the working of an Electronic metal detector.

With the suitable sketch explain the construction and working of the Step cleaner.

Define the various types of grinding tools used for sharpening wire points of card clothing.

With the suitable sketch explain the carding action.

Write a short note on Card Clothing.

What is Tandem card?

With a suitable sketch explain Stripping action.

Give the classification of Autolleveller used in card. With a suitable diagram explain any one autolleveller used in card.