Question
Textile Engineering and Fibre Science Question on Yarn clearers and tensioners
With reference to the principles of yarn hairiness measurement, the correct statement(s), amongst the following, is/are
A
Light scattering principle is used to measure length of hairs
B
Light scattering principle is used to measure number of hairs
C
Photocells are used to measure length of
D
Photocells are used to measure number of hairs
Answer
Light scattering principle is used to measure length of hairs
Explanation
Solution
The correct options are (A):Light scattering principle is used to measure length of hairs ,(D):Photocells are used to measure number of hairs