Mechanical Operations Grinding characteristic of a material is given by its HGI Shatter index Abrasion index Angle of repose HGI Shatter index Abrasion index Angle of repose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Immiscible liquids of different Miscible liquids of different Miscible liquids of same Immiscible liquids of same Immiscible liquids of different Miscible liquids of different Miscible liquids of same Immiscible liquids of same ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0047 cm 0.0074 cm 0.0074 mm 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm 74 mili-microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust laden air can be purified using a Gravity settler Bag filter Cyclone separator Tubular centrifuge Gravity settler Bag filter Cyclone separator Tubular centrifuge ANSWER DOWNLOAD EXAMIANS APP