Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Collector Activator Frother Modifier Collector Activator Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Vermiculite Diatomaceous earth Semi-plastic clay Fuller's earth Vermiculite Diatomaceous earth Semi-plastic clay Fuller's earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Weber Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Remain constant Decreases None of these Increases Remain constant Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Rittinger's law Bond's law Kick's law None of these Rittinger's law Bond's law Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 100 to 250 0.2 to 0.8 5 to 25 50 to 100 100 to 250 0.2 to 0.8 5 to 25 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
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