Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.01 to 0.1 0.2 to 0.8 0.2 to 0.4 0.1 to 0.3 0.01 to 0.1 0.2 to 0.8 0.2 to 0.4 0.1 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? Diatomaceous earth Calcined lime None of these Convas fabric Diatomaceous earth Calcined lime None of these Convas fabric ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Non-metallic ores Metalliferrous ores Asbestos & mica Basic slags Non-metallic ores Metalliferrous ores Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 5 to 10° 10 to 15° 1 to 2° 2 to 5° 5 to 10° 10 to 15° 1 to 2° 2 to 5° ANSWER DOWNLOAD EXAMIANS APP
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? Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Toothed roll crusher Hammer mills with internal classification Agitated mills and fluid energy mills Micronizers Toothed roll crusher Hammer mills with internal classification Agitated mills and fluid energy mills Micronizers ANSWER DOWNLOAD EXAMIANS APP
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