Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Quartz Cassiterrite Fluorspar Calcite Quartz Cassiterrite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/3 π π/3 (π/6)1/2 (π/6)1/3 π π/3 (π/6)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 45° 15° 30° 60° 45° 15° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing None of these Middling Concentrate Tailing None of these Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake None of these Remain constant Increases Decreases None of these Remain constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ √D N ∝ 1/√D N ∝ 1/D N ∝ D N ∝ √D N ∝ 1/√D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
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