Mechanical Operations Colloidal mills are used for __________ grinding. Intermediate Fine Ultrafine Coarse Intermediate Fine Ultrafine Coarse ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Spiral separator Baum jig washer Trough washer Froth floatation Spiral separator Baum jig washer Trough washer Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Bi-carbonates Carbonates Silicates & phosphates Sulphates Bi-carbonates Carbonates Silicates & phosphates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Toggles Check plates Jaw plates Crush shaft Toggles Check plates Jaw plates Crush shaft ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the None of these Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio None of these Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size None of these Fact that screening is more effective ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS