Question

which one is called
course powder​

Answer 1

Answer:

mesh aperture of 1.7 mm (No. 10 sieve) and not more than 40.0 per cent through a sieve with nominal mesh aperture of 355 µm (No. 44 sieve) is called coarse powder. ... nominal mesh aperture of 125 µm (No. 120sieve), it is said to be very fine powder.