Mechanical Operations Gold ore concentration is mostly done using Froth floatation Jigging Elutriation Tabling Froth floatation Jigging Elutriation Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Neither A nor B Both A & B Air Water Neither A nor B Both A & B Air ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier 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
Mechanical Operations Tank filter (e.g., Nutsch filter) is A leaf filter A continuous filter Used for small scale filtration work A high pressure filter A leaf filter A continuous filter Used for small scale filtration work A high pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS