Mechanical Operations Screen efficiency is Rejection Recovery None of these Recovery/rejection Rejection Recovery None of these Recovery/rejection ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Out of the following size reduction equipments, the maximum feed size can be accepted by the Tube mill Jaw crusher Ball mill Jet pulveriser Tube mill Jaw crusher Ball mill Jet pulveriser ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its HGI Abrasion index Angle of repose Shatter index HGI Abrasion index Angle of repose Shatter index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 5 to 25 0.2 to 0.8 50 to 100 100 to 250 5 to 25 0.2 to 0.8 50 to 100 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 ANSWER DOWNLOAD EXAMIANS APP