Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Bi-carbonates Silicates & phosphates Sulphates Carbonates Bi-carbonates Silicates & phosphates Sulphates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an industrial screening equipment? Sharpies centrifuge Vibrating screen Trommel Grizzly Sharpies centrifuge Vibrating screen Trommel Grizzly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake None of these Decreases Increases Remain constant None of these Decreases Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 46° 40° 32° 16° 46° 40° 32° 16° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D M ∝ D² M ∝ √D M ∝ D³ M ∝ D M ∝ D² M ∝ √D M ∝ D³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser ANSWER DOWNLOAD EXAMIANS APP
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