Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica 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 M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A widely used size reduction equipment for __________ is Bradford breaker. Iron core Coal Wheat Talc Iron core Coal Wheat Talc ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 70 85 35 50 70 85 35 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Bucket conveyor Both B and C Screw conveyor Flight conveyor Bucket conveyor Both B and C Screw conveyor Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
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