Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N² N³ N° N¹ N² N³ N° N¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the Elastic constant of the material Ultimate strength of the material State or manner of application of the crushing force All of these Elastic constant of the material Ultimate strength of the material State or manner of application of the crushing force All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Kick's law Bond's law None of these Rittinger's law Kick's law Bond's law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
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 Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 2 8 12 20 2 8 12 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 2.5 times 10 times Same as 5 times 2.5 times 10 times Same as 5 times ANSWER DOWNLOAD EXAMIANS APP
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