Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 500 100 1 50 500 100 1 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness 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 Ball mill Buhrstone mill Crushing rolls Hammer mill Ball mill Buhrstone mill Crushing rolls Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. None of these Concentrate Middling Tailing None of these Concentrate Middling Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms ANSWER DOWNLOAD EXAMIANS APP
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