Mechanical Operations Reciprocal of sphericity is termed as the Surface area per unit mass Shape factor Sauter diameter Specific surface ratio Surface area per unit mass Shape factor Sauter diameter Specific surface ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 85 35 50 70 85 35 50 70 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.1 0.6 0.4 None of these 0.1 0.6 0.4 None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of Stainless steel Flint or porcelain Concrete Bronze Stainless steel Flint or porcelain Concrete Bronze ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the 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 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS