Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Activator Frother Collector Modifier Activator Frother Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Ribbon Screw Flight Slat or drag Ribbon Screw Flight Slat or drag ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Suspension of solid in liquid Solid-liquid mixing Dispersion of liquid in liquid Liquid-liquid mixing Suspension of solid in liquid Solid-liquid mixing Dispersion of liquid in liquid Liquid-liquid mixing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 5 to 25 50 to 100 100 to 250 0.2 to 0.8 5 to 25 50 to 100 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens 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 Concentrate Middling None of these Tailing Concentrate Middling None of these ANSWER DOWNLOAD EXAMIANS APP
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