Mechanical Operations Work index is defined as the Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0047 cm 74 mili-microns 0.0074 cm 0.0074 mm 0.0047 cm 74 mili-microns 0.0074 cm 0.0074 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Vacuum leaf Sparkler Plate and frame Open sand Vacuum leaf Sparkler Plate and frame Open sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Classifier Thickener Clarifier Strainer Classifier Thickener Clarifier Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Ball mills Compartment mills Jaw crushers Tube mills Ball mills Compartment mills Jaw crushers Tube mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) ANSWER DOWNLOAD EXAMIANS APP
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