Mechanical Operations Reduction ratio of crushers is the Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product Ratio of discharge opening to feed opening None of these Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product Ratio of discharge opening to feed opening None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is not a function of Atmospheric humidity Screening surface Its openings size Screening mechanism Atmospheric humidity Screening surface Its openings size Screening mechanism ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M/ρ . Vp M . Vp/ρ Vp/m . ρ M . ρ/Vp M/ρ . Vp M . Vp/ρ Vp/m . ρ M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Cutting action Compression Compression and tearing Impact and attrition Cutting action Compression Compression and tearing Impact and attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) 1/D D D2.5 1/D2.5 1/D D D2.5 1/D2.5 ANSWER DOWNLOAD EXAMIANS APP
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