NIFT Materials Practice Questions

Question 1

A fashion technologist wants to speed up the dyeing of cotton. According to diffusion principles, what step will most effectively increase dye penetration?

Accepted Answer

B: Increasing temperature to enhance molecular diffusion

Answer

A: Lowering the temperature to reduce dye movement

Answer

C: Using ice water to lock colour

Answer

D: Decreasing dye concentration

Question 2

A sports wear company wants to manufacture a jacket that maintains body temperature in cold climates using phase-change materials (PCMs). Which scientific property makes PCMs ideal for this?

Accepted Answer

B: They absorb and release heat-during solid-liquid transitions

Answer

A: They reflect UV radiation

Answer

C: They increase elasticity of fibres

Answer

D: They reduce air permeability

Materials

Try a few questions

A fashion technologist wants to speed up the dyeing of cotton. According to diffusion principles, what step will most effectively increase dye penetration?