Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Sand Shell & leaf Plate & frame Rotary vacuum Sand Shell & leaf Plate & frame Rotary vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Produces finer products Is long in comparison with its diameter Uses smaller balls All of these Produces finer products Is long in comparison with its diameter Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Minimum at the upstream face Same throughout the thickness of cake Maximum at the filter medium Minimum at the filter medium Minimum at the upstream face Same throughout the thickness of cake Maximum at the filter medium Minimum at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Miscible liquids of different Miscible liquids of same Immiscible liquids of same Immiscible liquids of different Miscible liquids of different Miscible liquids of same Immiscible liquids of same Immiscible liquids of different ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of 'angle of nip' is generally about 52° 64° 16° 32° 52° 64° 16° 32° ANSWER DOWNLOAD EXAMIANS APP