Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio None of these Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mill is used for Coarse grinding Crushing Attrition Fine grinding Coarse grinding Crushing Attrition Fine grinding 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 Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.5 0.66 1 2.76 0.5 0.66 1 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using None of these Screw conveyor Bucket elevator Skip hoist None of these Screw conveyor Bucket elevator Skip hoist ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Flight Ribbon Slat or drag Screw Flight Ribbon Slat or drag Screw ANSWER DOWNLOAD EXAMIANS APP
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