Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Neither A nor B Swirling Vortexing Both A & B Neither A nor B Swirling Vortexing Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Sand None of these Coke breeze High V.M. bituminous coal Sand None of these Coke breeze High V.M. bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Cast iron Lead Alloy steel Forged/cast steel Cast iron Lead Alloy steel Forged/cast steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels employ __________ for screening of materials. Punched plate Fibrous cloth Woven wire screen None of these Punched plate Fibrous cloth Woven wire screen None of these ANSWER DOWNLOAD EXAMIANS APP
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 ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 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 ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KWh.m1/2/ton KW/ton KWh/ton No units (dimensionless) KWh.m1/2/ton KW/ton KWh/ton No units (dimensionless) ANSWER DOWNLOAD EXAMIANS APP
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