Mechanical Operations Questions and Answers – Critical Speed
This set of Mechanical Operations Multiple Choice Questions Answers (MCQs) focuses on "Critical Speed". 1. If a small diameter column is used with deep bed through solids, this is called _____ a) Sledging b) Slugging c) Skipping d) Centering View Answer 2. What does the below equation represent? u b = √ (gD b ) a) Bed velocity