Question

For analysis of micro nutrients which sieve should be avoided
(a) Brass sieve.
(b) Aluminium with nylon
(c) Plastic sieve.
(d) None of these.​

Answer 1

Answer:

c is the right answer it is a very simple question

Answer 2

The aggregate should be oven-dried at high temperature before sieving to prevent lump formation of the fine particles due to moisture content, which might clog the fine sieve holes.