AFC Quiz

Out of following is a chemical type of finish

• Resin

• Raising

• Sanforisation

• Calendaring

Reactive softeners are mostly used for ______________

• Cotton

• Nylon

• Polyester

• Silk

Weight Reduction of polyester is carried out using _____________

• Sodium Hydroxide

• Sodium Hexameta phosphate

• Sodium bicarbonate

• Sodium sulphite

In cotton fabric creases are formed due to ______________

• Free hydroxyl groups present in amorphous region

• Hydrogen bonds present in crystalline region

• Free hydroxyl groups present in crystalline region

• None of this

Following is not objective of stenter machine

• To print the fabric

• To Heat set the synthetic fabrics

• To stretch warp and weft at 90-degree angle

• To dry the fabric

Waterproofing means _______________

• preventing the passage of both air and water through a fabric

• preventing the passage water through a fabric

• preventing the passage of air through a fabric

• preventing the passage of both water and water vapors through a fabric

______________________is a type of flame retardant

• Condensed phase

• Liquid phase

• Plasma phase

• Not in a given list

Maximum possible crease recovery angle (degrees) for a fabric is _____

• 360

• 180

• 270

• 90

___________________ type of cellulase enzyme not used for biopolishing

• Basic Cellulase

• Acid cellulase

• Neutral Cellulase

• Hybrid Cellulase

Acid Wash-down effect on denim is carried out using

• Potassium permanganate

• Potassium sulphate

• Sodium chloride

• Sodium sulphate