Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Cube of impeller diameters Density of the liquid Viscosity of the liquid Square of rotational speed Cube of impeller diameters Density of the liquid Viscosity of the liquid Square of rotational speed 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)p (S/V)f (S/V)p (S/V)²p √(S/V)p (S/V)f (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Largest Smallest Neither A nor B Either A or B Largest Smallest Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1 > 1 1.5 < 1 1 > 1 1.5 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Hammer crusher Roller crusher Fluid energy mill Impact mill Hammer crusher Roller crusher Fluid energy mill Impact mill ANSWER DOWNLOAD EXAMIANS APP
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