Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Increases Decreases Remains unchanged May increase or decrease; depends on the machine Increases Decreases Remains unchanged May increase or decrease; depends on the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Purified wood cellulose Rice husk Asbestos Diatomaceous earth Purified wood cellulose Rice husk Asbestos Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Toughness Hardness Size Elasticity Toughness Hardness Size Elasticity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 75-80 90-95 43835 40-50 75-80 90-95 43835 40-50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in 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 Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
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