Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Micron Surface area per unit mass Centimetre Screen size Micron Surface area per unit mass Centimetre Screen size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Enhanced production rate Both A & B Finer products Neither A nor B Enhanced production rate Both A & B Finer products Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Compartment mill Cage mill Pebble mill Rod mill Compartment mill Cage mill Pebble mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Remains unchanged Decreases exponentially Increases Decreases Remains unchanged Decreases exponentially Increases 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 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 20 to 25 0.1 to 2 50 to 70 5 to 10 20 to 25 0.1 to 2 50 to 70 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
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