In Tyler standard screen scale, sieve series having a ratio of ______

1.	In Tyler standard screen scale, sieve series having a ratio of ______ is used.
A.	( sqrt{3} ) : 1
B.	( sqrt{2} ) : 1
C.	( sqrt{2} ) : 2
D.	( sqrt[4]{3} ) : 1
Answer» C. ( sqrt{2} ) : 2

Discussion