Mechanical Operations Shell and leaf filter as compared to plate and frame filter Entails less labor cost Provides more effective washing Facilitates filtration under higher pressure All of these Entails less labor cost Provides more effective washing Facilitates filtration under higher pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Reducing the filtration pressure Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Reducing the filtration pressure Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating None of these Iron ores Sulphide ores Quartzite None of these Iron ores Sulphide ores Quartzite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At time zero When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At the end of filtration At time zero When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Decreases Increases linearly Remains constant Increases Decreases Increases linearly Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). D²p 1/Dp Dp 1/D²p D²p 1/Dp Dp 1/D²p ANSWER DOWNLOAD EXAMIANS APP
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