Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 90-95 43835 40-50 75-80 90-95 43835 40-50 75-80 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is Kg/sec KW. sec/kg KWh/sec. kg KWh/kg Kg/sec KW. sec/kg KWh/sec. kg KWh/kg 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)p (S/V)p (S/V)f (S/V)²p √(S/V)p (S/V)p (S/V)f (S/V)²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Blending of immiscible liquids Suspending solid particles Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Blending of immiscible liquids Suspending solid particles Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Cake thickness Both A & B Neither A nor B Characteristics of the feed slurry Cake thickness Both A & B Neither A nor B Characteristics of the feed slurry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
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