Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 32° 40° 16° 46° 32° 40° 16° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as impactors. None of these Cage Rolling-compression Hammer None of these Cage Rolling-compression Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Pebble Ring-roll Compartment Tube Pebble Ring-roll Compartment Tube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 1.5 D D 0.5 D 2 D 1.5 D D 0.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 0.5 Wi Wi 1.34 Wi 3.34 Wi 0.5 Wi Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Trommel Vibrating screen Grizzly Shaking screen Trommel Vibrating screen Grizzly Shaking screen ANSWER DOWNLOAD EXAMIANS APP