Filters of different grades of porosity and used widely for purification of water for industrial and drinking purposes are:
A. Sintered glass filter
B. Seitz filter
C. Membrane filter
D. Berkefield filter
Answer:D
Filters of different grades of porosity and used widely for purification of water for industrial and drinking purposes are:
A. Sintered glass filter B. Seitz filter C. Membrane filter D. Berkefield filter