Mechanical Operations In a roll crusher, both the rolls Have the same diameter Are rotated towards each other All of these Run either at the same or different speeds Have the same diameter Are rotated towards each other All of these Run either at the same or different speeds ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in 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 Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Feed particles Grinding element & the housing Both A & B Neither A nor B Feed particles Grinding element & the housing Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Solids from solids Liquids Solids Solids from fluids Solids from solids Liquids Solids Solids from fluids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating None of these Quartzite Iron ores Sulphide ores None of these Quartzite Iron ores Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
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