Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Sulphates Carbonates Bi-carbonates Silicates & phosphates Sulphates Carbonates Bi-carbonates Silicates & phosphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & short runs Small loads & long runs Heavy loads & long runs None of these Heavy loads & short runs Small loads & long runs Heavy loads & long runs None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Accelerating the rate of filtration Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Apron conveyor Screw conveyor Belt conveyor Bucket elevator Apron conveyor Screw conveyor Belt conveyor Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio Uses much larger balls Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
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