Class 9 Weaving and Textile Design Chapter 4 Printing Solutions English Medium, SEBA Class 9 Weaving and Textile Design Question Answer, Class 9 Weaving and Textile Design Chapter 4 Printing Question Answer to each chapter is provided in the list so that you can easily browse throughout different chapter Class 9 Weaving and Textile Design Chapter 4 Printing English Medium Solutions and select needs one.
Class 9 Weaving and Textile Design Chapter 4 Printing
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. SEBA Weaving and Textile Design Elective Class 9 Question Answer. These solutions are part of SCERT All Subject Solutions. Here we have given Class 9 Weaving and Textile Design Chapter 4 Printing Solutions for All Chapter, You can practice these here.
Printing
Chapter – 4
| Self-Check Questions |
1. Name the different methods used for printing.
Ans: Some common methods of printing:
(i) Hand Block Printing.
(ii) Stencil Printing.
(iii) Machine Roller Printing.
(iv) Screen Printing.
(v) Transfer Printing.
(vi) Digital Printing.
2. State at least five advantages and disadvantages of hand block printing.
Ans: Advantages of Hand Block Printing:
(i) No special printing machines are required in block printing, makes the block printing, makes the block printing process cheaper.
(ii) As it is cottage industry employment opportunities are more.
(iii) Space required is low.
(iv) Low capital investment.
(v) Returns are high.
Disadvantages of Hand Block Printing:
(i) This process is laborious and time consuming.
(ii) The output is low.
(iii) It requires skilled labour for accurate and enact printing.
(iv) Difficult to print outlines and dots.
(v) Blotch printing is also difficult.
3. Name the three techniques of hand block printing.
Ans: Hand block printing may be completed with any one of the following styles:
(i) Direct Block Printing: The fabric is first bleached or dyed with the desired colour. Then, colour is applied directly on the cloth surface by using blocks.
(ii) Discharge Printing: In this technique, before the printing is carried out, the fabric is first dyed to the desired colour. Then, the dye is removed at selected places by applying a block with chlorine or other colour-destroying chemicals.
(iii) Resist Printing: In this technique, the desired design is printed on the fabric using a block containing a material (like wax or resin) that resists dyeing. The fabric is then dyed with the desired colour. Washing after dyeing removes the resist material, leaving a white pattern.
4. State the steps involved in screen printing.
Ans: A typical printing process involves the following steps:
(i) Prepare/select a Screen: Ready to use Screen Printing frames are available. If screens are not available, we have to prepare a screen as per our requirement. It is important to select the correct screen mesh for printing.
(ii) Colour paste preparation: The printing paste which is applied to textile material consists of dye or pigment along with water and auxiliaries. The printing paste is not in aqueous liquor; instead, it is usually finely dispersed in high concentration.
(iii) Fabric preparation for Printing: For proper printing the following process are carried out to the fabrics to be printed.
(a) The fabric should be stitched with proper face on top and uniform width.
(b) Shearing and cropping treatment is given to remove loose threads.
(c) Desizing is necessary for proper penetration of the print paste.
(d) Singeing removes hairy fibers to enable even adhesion of printing paste and sharpness.
(e) Scouring gives better dye absorption.
(f) Mercerization is given for cotton fabric and heat setting for synthetics.
(g) Full bleaching is suitable for a whiter background.
(h) The fabric should be thoroughly dried.
(i) It should be free from creases and free from weft bowing.
(iv) Printing: The prepared cloth to be printed is stretched and spread over a printing table. The screen is placed atop the substrate, printing paste is poured on the top of the screen, and a squeezer is used to push the colour through the holes in the screen. Thus, a single-coloured pattern is obtained on the surface of the cloth. If a multicolour pattern is required, multiple screens and colours are needed.
(v) Fixation: Immediately after printing, the fabric is dried, and the prints are fixed mainly with steam or hot air (for pigments).
(vi) After-Treatment: This final operation consists of washing and drying the fabric. (It is not necessary when printing with pigments or using techniques like transfer printing).
5. Compare hand block and screen printing.
Ans: Comparison between Hand Block Printing and Screen Printing:
(i) Hand Block Printing:
(a) It is a traditional method where wooden blocks are used.
(b) The printing is done manually, and each colour requires a separate block.
(c) The process is slow and labor-intensive.
(d) Suitable for small-scale production and unique designs.
(e) Gives a handcrafted, artistic feel to the printed fabric.
(ii) Screen Printing:
(a) It uses a screen (mesh stretched on a frame) to transfer ink onto fabric.
(b) Can be done manually or with machines.
(c) Faster and suitable for mass production.
(d) Allows for more complex, multi-color patterns.
(e) Prints are more uniform and consistent.
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