Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Air Neither A nor B Both A & B Water Air Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Classifiers Rotary drum filters Thickeners Cyclones Classifiers Rotary drum filters Thickeners Cyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Classification Tabling Froth floatation Jigging Classification Tabling Froth floatation Jigging ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Continuously increases Continuously decreases May increase or decrease ; depends on the pressure Remains constant throughout Continuously increases Continuously decreases May increase or decrease ; depends on the pressure Remains constant throughout 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 Fluid energy mill Rod mill Ball mill Gyratory crusher Fluid energy mill Rod mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
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