Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Filtering Washing All of these Drying Filtering Washing All of these Drying ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Squirrel-cage disintegrator Ball mill Gyratory crusher Tube mill Squirrel-cage disintegrator Ball mill Gyratory crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Either A or B Volume Weight Neither A nor B Either A or B Volume Weight Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Produces finer products Is long in comparison with its diameter Uses smaller balls All of these Produces finer products Is long in comparison with its diameter Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake None of these Decreases Increases Remain constant None of these Decreases Increases Remain constant 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) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension ANSWER DOWNLOAD EXAMIANS APP
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