Mechanical Operations Removal of activated carbon from glycerine is done by None of these Plate and frame filter Rotary vacuum filter Batch basket centrifuge None of these Plate and frame filter Rotary vacuum filter Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Non-metallic ores Metalliferrous ores Asbestos & mica Basic slags Non-metallic ores Metalliferrous ores Asbestos & mica Basic slags ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. May increase or decrease; depends on the machine Increases Remains unchanged Decreases May increase or decrease; depends on the machine Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Incompressible cake and turbulent Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar Incompressible cake and turbulent Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability Specific gravities Shape None of these Wettability Specific gravities Shape None of these ANSWER DOWNLOAD EXAMIANS APP
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