Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Collector Modifier Frother Activator Collector Modifier Frother Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 10 to 15° 5 to 10° 2 to 5° 1 to 2° 10 to 15° 5 to 10° 2 to 5° 1 to 2° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Attrition Cutting Compression None of these Attrition Cutting Compression None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π/3 π (π/6)1/2 (π/6)1/3 π/3 π (π/6)1/2 (π/6)1/3 ANSWER DOWNLOAD EXAMIANS APP
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 0.66 1 2.76 0.5 0.66 1 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Dorr Oliver rake classifier None of these Hydrocyclones Sharpies supercentrifuge Dorr Oliver rake classifier None of these Hydrocyclones Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
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