Mechanical Operations For efficient grinding, ball mills must be operated At a speed equal to the critical speed At a speed less than the critical speed At a speed more than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed less than the critical speed At a speed more than the critical speed With minimum possible small balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Gm/cm⁻¹ Cm⁻¹ Gm⁻¹ Cm/gm⁻¹ Gm/cm⁻¹ Cm⁻¹ Gm⁻¹ Cm/gm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Bulk density Neither A nor B Lump size Both A & B Bulk density Neither A nor B Lump size Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Cyclone separator None of these Strainer Electrostatic precipitator Cyclone separator None of these Strainer Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Specific surface of product is more Production rate at a given limiting size is lower Operation is economical Product has lesser size uniformity Specific surface of product is more Production rate at a given limiting size is lower Operation is economical Product has lesser size uniformity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Alternating current Corrona discharge Electric spark None of these Alternating current Corrona discharge Electric spark None of these ANSWER DOWNLOAD EXAMIANS APP
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