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 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. None of these Size Terminal velocities in the same fluid & in the same field of force Specific gravity None of these Size Terminal velocities in the same fluid & in the same field of force Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. Laminar None of these Plug Turbulent Laminar None of these Plug Turbulent ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Sodium silicate Alumina Quartz Lime Sodium silicate Alumina Quartz Lime ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Humidification Size enlargement Agitation Filtration Humidification Size enlargement Agitation Filtration 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
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