Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KWh/ton No units (dimensionless) KWh.m1/2/ton KW/ton KWh/ton No units (dimensionless) KWh.m1/2/ton KW/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. 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 Maximum feed size determines the required roll diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. None of these Toothed roll Gyratory Blake jaw None of these Toothed roll Gyratory Blake jaw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Increases Remains unchanged Decreases Decreases exponentially Increases Remains unchanged Decreases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Thickener Clarifier Classifier Strainer Thickener Clarifier Classifier Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. Hammer crusher Jaw crusher Ball mill Tube mill Hammer crusher Jaw crusher Ball mill Tube mill ANSWER DOWNLOAD EXAMIANS APP
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