Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Removal of activated carbon from glycerine is done by Rotary vacuum filter Plate and frame filter Batch basket centrifuge None of these Rotary vacuum filter Plate and frame filter Batch basket centrifuge None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Out of the following size reduction equipments, the maximum feed size can be accepted by the Tube mill Jaw crusher Jet pulveriser Ball mill Tube mill Jaw crusher Jet pulveriser Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 6/D.p 4/D.p 12/D.p 2/D.p 6/D.p 4/D.p 12/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Pressure filter Centrifugal filter Gravity filter Vacuum filter Pressure filter Centrifugal filter Gravity filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
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