Mechanical Operations For efficient grinding, ball mills must be operated At a speed less than the critical speed At a speed more than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed less than the critical speed At a speed more than the critical speed At a speed equal to the critical speed With minimum possible small balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Pebble Compartment Tube Cage Pebble Compartment Tube Cage ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Both A & B Electrolyte Neither A nor B Surface active agent Both A & B Electrolyte Neither A nor B Surface active agent ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Vacuum filter Batch basket centrifuge Sand bed filter Plate and frame filter press Vacuum filter Batch basket centrifuge Sand bed filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Buhrstone mill Ball mill Crushing rolls Hammer mill Buhrstone mill Ball mill Crushing rolls Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl ANSWER DOWNLOAD EXAMIANS APP
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