Mechanical Operations For spheres, volume shape factor is given by π/6(=V/D³) π(=A/D²) AD/V 2π(=2A/D²) π/6(=V/D³) π(=A/D²) AD/V 2π(=2A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of specific cake resistance is Gm/cm² Gm/gm Cm/gm Cm/gm² Gm/cm² Gm/gm Cm/gm Cm/gm² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)²p (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP