Mechanical Operations Gold ore concentration is mostly done using Jigging Elutriation Tabling Froth floatation Jigging Elutriation Tabling Froth floatation 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 Bi-carbonates Carbonates Sulphates Silicates & phosphates Bi-carbonates Carbonates Sulphates Silicates & phosphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Both A & B Vortexing Neither A nor B Swirling Both A & B Vortexing Neither A nor B Swirling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Apron conveyor Both B & C Pneumatic conveyor Bucket elevator Apron conveyor Both B & C Pneumatic conveyor Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
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