Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Decreases Remains constant Increases Increases linearly Decreases Remains constant Increases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 0.3 0.014 50 0.007 0.3 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Unblanced fly wheels Either A, B or C Cams or eccentric shafts Electromagnets Unblanced fly wheels Either A, B or C Cams or eccentric shafts Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact Vibratory Roll None of these Impact Vibratory Roll None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Cyclone separator Wet scrubber Bag filter Electrostatic precipitator Cyclone separator Wet scrubber Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Sodium silicate Lime Quartz Alumina Sodium silicate Lime Quartz ANSWER DOWNLOAD EXAMIANS APP