Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Decreases Increases linearly Increases Is not affected Decreases Increases linearly Increases Is not affected ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 200°C and 5 atm 1000°C and 500 atm 1000°C and 10 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 500 atm 1000°C and 10 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Terminal velocities Densities Particle sizes None of these Terminal velocities Densities Particle sizes None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter ANSWER DOWNLOAD EXAMIANS APP
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