Textile Processing I

Which one is Example for Indirect Singeing

• Hot Plate Singeing

• Gas Singeing

• Radiation Singeing

• Rotary Singeing

Sizing Materials for Desizing Process

• Sago

• Peroxyacytyl Nitrate

• Locust Bean

• Tragacanth

Mercerization process is carried out by using

• Sodium Hydroxide

• Sodium Sulphate

• Sodium Silicate

• Sodium Chloride

Removal of residual Hypochlorite from the Fabric

• Antibleach

• Antichlor

• Antiscour

• None of the Above

Dyeing of Polyester is carried out by using

• Acid Dyes

• Basic Dyes

• Metal Complex Dyes

• Disperse Dyes

Hydrogen peroxide Bleaching is carried out of

• Room Temperature

• 50⁰C -70⁰C

• 80⁰C -100⁰C

• 100⁰C - 130⁰C

Objectives of Bleaching

• Removal of colored impurities.

• Removal of the seed coats

• To Increase the Luster

• To Increase the degree of whiteness

Scouring of Cotton is carried out under

• Alkaline Conditions

• Acidic Conditions

• Neutral Conditions

• None of the Above

The desizing processes mainly removes

• Wax and Tallow

• Starch

• Dirt and Color

• Natural Impurities

Wool and Silk can be bleached with

• Sodium Hypochlorite

• Sodium Hydro Sulphate

• Sodium perborate

• Hydrogen peroxide