Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp None of these Df/Dp Dp/Df Df - Dp None of these Df/Dp Dp/Df ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Gyratory crusher Ball mill Fluid energy mill Rod mill Gyratory crusher Ball mill Fluid energy mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π (π/6)1/3 π/3 (π/6)1/2 π (π/6)1/3 π/3 (π/6)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 50 to 100 5 to 25 100 to 250 0.2 to 0.8 50 to 100 5 to 25 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
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