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 A propeller agitator Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes Produces mainly axial flow All of these Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes Produces mainly axial flow All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is normally used in sugar mills. Suspended batch basket Tubular bowl Perforated horizontal basket continuous Disc-bowl Suspended batch basket Tubular bowl Perforated horizontal basket continuous Disc-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Middling Heading Concentrate Tailing Middling Heading Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Has less capacity Requires more energy None of these Complicates handling & classification of the product Has less capacity Requires more energy None of these Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 ANSWER DOWNLOAD EXAMIANS APP