Characteristics Of Particle Size

Question 0

All particles pass through a #20 sieve and NMT 40% through a #60 sieve

Answer 0

Coarse

Question 1

All particles pass through a #20 sieve and NMT 20% through a #60 sieve

Answer 1

Very coarse

Question 2

All particles pass through a #40 sieve and NMT 40% through a #80 sieve

Answer 2

Moderately coarse

Question 3

All particles pass through a #60 sieve and NMT 50% through a #100 sieve

Answer 3

Fine

Question 4

All particles pass through a #80 sieve. There is no limit to greater fineness

Answer 4

Very fine