Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Silicates & phosphates Bi-carbonates Carbonates Sulphates Silicates & phosphates Bi-carbonates Carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen capacity is abruptly increased Screen is plugged with solid particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using Screw conveyor None of these Skip hoist Bucket elevator Screw conveyor None of these Skip hoist Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/ft² Tons/hr-ft² Tons/hr Both A & B Tons/ft² Tons/hr-ft² Tons/hr Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Mixer-extruder Muller mixer Banbury mixer Pug mill Mixer-extruder Muller mixer Banbury mixer Pug mill ANSWER DOWNLOAD EXAMIANS APP
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