Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N° N¹ N³ N² N° N¹ N³ N² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Kick's law Bond's law Rittinger's law None of these Kick's law Bond's law Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KW/ton KWh/ton No units (dimensionless) KWh.m1/2/ton KW/ton KWh/ton No units (dimensionless) KWh.m1/2/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Compartment All of these Ball and pebble Rod and tube Compartment All of these Ball and pebble Rod and tube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Size Wettability Electrical & magnetic properties Density Size Wettability Electrical & magnetic properties Density ANSWER DOWNLOAD EXAMIANS APP
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