GATE (TF) Textile 2015 Question Paper Solution | GATE/2015/TF/51

Question 51 (Textile Engineering & Fibre Science)

A 500-end double-lift, single-cylinder jacquard has

(A)500 hooks and 500 needles
(B)500 hooks and 1000 needles
(C)1000 hooks and 500 needles
(D)1000 hooks and 1000 needles
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Frequently Asked Questions | FAQs

What do you mean by jacquard loom?

A Jacquard loom is a type of weaving loom that uses a Jacquard mechanism to create complex and intricate patterns in fabrics. The Jacquard loom was invented by Joseph-Marie Jacquard in the early 19th century and is named after him.

The Jacquard loom is a significant advancement in textile technology as it allows for the individual control of each warp thread, enabling the weaver to produce highly detailed and intricate designs with a high level of precision and flexibility. The Jacquard loom uses a series of punched cards or punched paper rolls that control the lifting of the warp threads during the weaving process. Each hole or absence of a hole in the card corresponds to the lifting or lowering of a specific warp thread, allowing for a wide range of complex patterns to be created.

The Jacquard loom has greatly automated the process of pattern weaving, making it possible to produce textiles with intricate designs that would be difficult or impossible to achieve with other types of looms. Jacquard looms are widely used in the textile industry for the production of fabrics with complex patterns, such as brocades, damasks, tapestries, and other high-quality textiles for home furnishings, upholstery, and fashion garments. Jacquard fabrics are known for their intricate patterns, rich textures, and high level of detail, making them highly valued in the textile industry for various applications.

What is jacquard used for?

Jacquard is a type of fabric that is woven on a loom with an intricate and complex pattern. The pattern is created by controlling individual yarns through a system of punched cards or electronic controls, which allows for a wide range of designs to be produced. Jacquard fabric is known for its detailed patterns, often with raised or textured designs, and it can be made from a variety of fibers, such as cotton, silk, rayon, or synthetic materials.

Jacquard fabric is commonly used in various applications, including:

Fashion: Jacquard fabric is used in clothing and accessories, such as dresses, skirts, blouses, ties, and scarves. The intricate patterns and unique textures of jacquard fabric can add a touch of luxury and sophistication to fashion items.
Home Furnishings: Jacquard fabric is popular in home decor, including curtains, upholstery, and bedding. The rich patterns and textures of jacquard fabric can enhance the aesthetics of interior spaces and create an elegant and stylish ambiance.
Upholstery: Jacquard fabric is also used for upholstery in furniture, including sofas, chairs, and ottomans. The durability and versatility of jacquard fabric make it suitable for upholstery, and it can add a touch of elegance to furniture pieces.
Textile Art: Jacquard fabric is sometimes used in textile art and craft projects, such as quilting, embroidery, and mixed media. The intricate patterns and textures of jacquard fabric can be creatively used in various art and craft applications.
Technical Textiles: Jacquard fabric is used in various technical textile applications, such as automotive interiors, aerospace components, and industrial materials. The complex patterns and structures of jacquard fabric can provide functional properties, such as strength, flexibility, and durability, making it suitable for specialized technical applications.

Overall, jacquard fabric is widely used in fashion, home furnishings, upholstery, textile art, and technical textiles due to its unique and intricate patterns, textures, and versatility.

What is double lift single cylinder jacquard?

A double lift single cylinder Jacquard loom is a type of weaving loom used in the textile industry. It is equipped with a Jacquard mechanism, which is a device that controls individual warp threads in order to create intricate and complex patterns in woven fabric. The term “double lift” refers to the ability of the loom to raise and lower two sets of harnesses, or frames, independently, allowing for greater flexibility in creating complex designs.

In a double lift single cylinder Jacquard loom, there is a single cylinder that contains pattern cards or punched cards, which are used to control the lifting of the harnesses. The pattern cards have holes punched in them that correspond to the desired pattern, and as the cylinder rotates, it engages with needles that lift or lower the appropriate harnesses based on the pattern cards. This allows for precise control over the warp threads, enabling the weaver to create intricate and detailed designs in the woven fabric.

Double lift single cylinder Jacquard looms are known for their versatility and ability to produce a wide range of complex patterns and designs, making them popular in the production of high-quality textiles such as damasks, brocades, and tapestries. They are typically used in large-scale textile manufacturing operations where intricate patterns and designs are required, and they can be operated manually or with the assistance of computerized systems for greater automation and efficiency.

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