With increase in drum speed, in a rotary drum filter, the filtration rate_______________?

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Cement clinker is reduced to fine size by a _____________________?

A. Roll crusher B. Ball mill C. Tube mill D. Hammer mill...

Pick out the wrong statement ?

A. More commonly used jaw crusher between Dodge jaw crusher and Blake jaw crusher is the later one B. There are only four methods namely compression, impact, attrition and cutting, which the size reduction equipments employ C. Cutting machines mainly employ ‘attrition’ for size reduction of solids D. Operating principles of Dodge and Blake jaw … Pick out the wrong statement ?Read More...

As per Taggart’s formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms) ?

A. LS B. 93 LS C. 250 LS D. √(LS)...

In a grinding operation, the limiting particle size is the size of the _______________ particle in the sample?

A. Smallest B. Largest C. Either A. or B. D. Neither A. nor B....

Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the _________________?

A. Blake jaw crusher B. Cage mill C. Stamp mill D. Bradford’s breaker...