Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 5 times 2.5 times 10 times Same as 5 times 2.5 times 10 times Same as ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Attrition Both A & B Neither A nor B Impact Attrition Both A & B Neither A nor B Impact 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 Carbonates Silicates & phosphates Sulphates Bi-carbonates Carbonates Silicates & phosphates Sulphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Bond's law Rittinger's law None of these Kick's law Bond's law Rittinger's law None of these Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids None of these Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids None of these ANSWER DOWNLOAD EXAMIANS APP
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