Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 50 5000 5 500 50 5000 5 500 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Silicates & phosphates Sulphates Bi-carbonates Carbonates Silicates & phosphates Sulphates Bi-carbonates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Concrete Bronze Stainless steel Flint or porcelain Concrete Bronze Stainless steel Flint or porcelain ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most suitable for compounding rubber and plastic solids. Banbery mixer Charge can mixer Pan mixer Pug mill Banbery mixer Charge can mixer Pan mixer Pug mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a cutting machine? Knife cutters Dicers Slitters Tube mills Knife cutters Dicers Slitters Tube mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Impact Cutting action Slow compression Attrition Impact Cutting action Slow compression Attrition ANSWER DOWNLOAD EXAMIANS APP