Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Wet grinding in high viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Plate and frame filter Shell and leaf filter Cartridge filter None of these Plate and frame filter Shell and leaf filter Cartridge filter None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Jaw crushers Gyratory crushers Smooth roll crushers Rod mills Jaw crushers Gyratory crushers Smooth roll crushers Rod mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mesh indicates the number of holes per Linear inch Square foot Linear foot Square inch Linear inch Square foot Linear foot Square inch ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Bradford's breaker Blake jaw crusher Stamp mill Cage mill Bradford's breaker Blake jaw crusher Stamp mill Cage mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter All of these Provides more effective washing Entails less labor cost Facilitates filtration under higher pressure All of these Provides more effective washing Entails less labor cost Facilitates filtration under higher pressure ANSWER DOWNLOAD EXAMIANS APP
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