Mechanical Operations
In closed circuit grinding as compared to open circuit grinding, the

Production rate at a given limiting size is lower
Operation is economical
Specific surface of product is more
Product has lesser size uniformity

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
Cumulative analysis for determining surface is more precise than differential analysis, because of the

Fact that screening is more effective
Assumption that all particles in a single fraction are equal in size, is not needed
None of these
Assumption that all particles in a single fraction are equal in size

ANSWER DOWNLOAD EXAMIANS APP