Fluidised beds are formed, when the__________________?

A. Fluid friction is zero

B. Pressure forces equal gravity forces

C. Sum of the fluid friction and pressure forces is equal and opposite to gravity forces

D. Gravity force is less than the fluid friction

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.