Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.5 2.76 1 0.66 0.5 2.76 1 0.66 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Trommel Shaking screen Grizzly Vibrating screen Trommel Shaking screen Grizzly Vibrating screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Ring-roll Tube Compartment Pebble Ring-roll Tube Compartment Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Pebble Compartment Cage Tube Pebble Compartment Cage Tube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher length/diameter ratio Uses much larger balls Produces a coarser product Has a higher diameter/length ratio Has a higher length/diameter ratio Uses much larger balls Produces a coarser product Has a higher diameter/length ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate None of these Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate None of these ANSWER DOWNLOAD EXAMIANS APP